solid argon or liquid argon has the greater density solid argon or liquid argon has the greater density

Double-glazed windows use argon to fill the space between the panes. to temperature change) is: A horizontal row in the periodic table. View via Publisher. Political stability of top reserve holder. Chemistry in its element is brought to you by the Royal Society of Chemistry and produced by. The difference was slight, but it was important enough to attract their attention for many months. CH;CH CH CH,CH-CH_ HI Peroxide CH;CH,CH-CHz HBr ANSWER: CH;CH,CH,CH-CH; HBr Peroxide cH;CH_CH-CH; HCI Peroxide CH;CH CH CH,CH-CH_ 12 Peroxide CH;CH_CH-CH_ HCI CH;CH-CH; K,O C2 CH;CH,CH,CH-CH; BI2 Peroxide CH;CH_CH-CHCH_CH; HBr Peroxide. So we see that the solid are gone. Characteristics A small piece of rapidly melting solid argon Argon has approximately the same solubility in water as oxygen and is 2.5 times more soluble in water than nitrogen. It has a triple point at 83.7 K and 0.68 atm. If we trace over from one atmosphere, this is going to be our melting line here. By clicking Accept All Cookies, you agree to the storing of cookies on your device to enhance site navigation, analyze site usage, and assist in our marketing efforts. But for gold and silver it's all so superficial. The results, represented by the Lorentz-Lorenz function, are expressed as a function of density, and their significance discussed. Info All values are on the liquid-vapor saturation line and at electric field of 500 V/cm unless otherwsie indcated. A pure substance can take many forms, which don't have the same properties. The complete octet (eight electrons) in the outer atomic shell makes argon stable and resistant to bonding with other elements. Two West Texas nurses working in the county hospital sent an anonymous complaint about a physician's standard of care to the Texas Medical Board in 2009. What are the main properties of liquids (in contrast to gases and solids)? Two-phase detectors containing argon gas are used to detect the ionized electrons produced during the WIMPnucleus scattering. The argon phase diagram shows the phase behavior with changes in temperature and pressure. The higher the value, the larger risk there is to supply. Argon is preferable to the helium that had been used in the preceding five decades, because helium gas escapes through the intermolecular pores in most containers and must be regularly replaced.[45]. This is approximately the sum of the number of protons and neutrons in the nucleus. The first argon compound with tungsten pentacarbonyl, W(CO)5Ar, was isolated in 1975. Right, So the solid are. When a simple . Four hour next point. answer all question in the picture QUESTION 22 Blacks codes were laws passed by many southern states to control the Freedmen True False QUESTION 23 One of the intent of Sherman Special Field Order 15 was to help eliminate the problem caused by fugitive slaves who had fled their slave masters True Three resistors (R,, Rz, and Ra) are connected in parallel to battery - with a voltage of V r | 352 22 = 552 R? Which has the greater density, solid argon or liquid argon? The 39Ar activity in the atmosphere is maintained by cosmogenic production through the knockout reaction 40Ar(n,2n)39Ar and similar reactions. So it's just a 2.55 times 10 to the four tour. High-purity chemicals and pharmaceuticals are sometimes packed and sealed in argon.[43]. The tyres of luxury cars can contain argon to protect the rubber and reduce road noise. Members of a group typically have similar properties and electron configurations in their outer shell. between -189.2 C (-308.6F)and -185.7 C (302.3F)it is a liquid, and above -185.7C (302.3F)it is a gas. The Chemical Abstracts Service registry number is a unique identifier of a particular chemical, designed to prevent confusion arising from different languages and naming systems. Images Murray Robertson 1999-2011 So let's say, 94 tour. This page was last edited on 17 February 2023, at 17:46. Argon is preferred to less expensive nitrogen in cases where nitrogen may react with the reagents or apparatus. The full cell delivered an average energy efficiency of 92% at a current density of 5 mA cm 2. Sublimation This is where the artist explains his interpretation of the element and the science behind the picture. The curve between the critical point and the triple point shows the argon boiling point with changes in pressure. This is Teepee for Triple Point CP for critical point. The output density is given as kg/m 3, lb/ft 3, lb/gal (US liq) and sl/ft 3 . Argon has a normal boiling point of 87.2 K and a melting point (at 1 atm) of 84.1 K. Its critical temperature is 150.8 K and its critical pressure is 48.3 atm. This Site has been carefully prepared for your visit, and we ask you to honour and agree to the following terms and conditions when using this Site. The atoms are closer together. [50], Argon-39, with a half-life of 269 years, has been used for a number of applications, primarily ice core and ground water dating. Argon has a normal boiling point of 87.2 K and a melting point (at 1 atm) of 84.1 K. Its critical temperature is 150.8 K, and its critical pressure is 48.3 atm. I'm Chris Smith, thank you for listening and goodbye. Heat conduction between two parallel solid walls separated by liquid argon is investigated using three-dimensional molecular dynamics (MD) simulations. The name is derived from the Greek, 'argos', meaning idle. In such cases we would ask you to sign a Visual Elements licence agreement, tailored to the specific use you propose. To convert these density values into kilograms per cubic meter, multiply any of the numbers by 1000. Which of the following statements is not true? stored in a closed vessel. However, at low temperature and/or high pressures the gas becomes a liquid or a solid. Specific heat capacity is the amount of energy needed to change the temperature of a kilogram of a substance by 1 K. A measure of the stiffness of a substance. Routing number of commercial bank of Ethiopia? Please give the worst Newman Projection looking down C9-C1O. The RSC maintains this Site for your information, education, communication, and personal entertainment. So 83.7 degrees Kelvin. This website collects cookies to deliver a better user experience. If there are more molecules in an object does its density . Electronegativity (Pauling scale)The tendency of an atom to attract electrons towards itself, expressed on a relative scale. So all we gotta do is draw a line connecting the from a point and the melting point. Until you get up to high pressures, they will both Argon was first isolated from air in 1894 by Lord Rayleigh and Sir William Ramsay at University College London by removing oxygen, carbon dioxide, water, and nitrogen from a sample of clean air. They operated the arc until no more reduction of volume of the gas could be seen for at least an hour or two and the spectral lines of nitrogen disappeared when the gas was examined. ThoughtCo. Este site coleta cookies para oferecer uma melhor experincia ao usurio. Sturting with 4.00 Eor 32P ,how many Orama will remain altcr 420 dayu Exprett your anawer numerlcally grami VleY Avallable HInt(e) ASP, Which of the following statements is true (You can select multiple answers if you think so) Your answer: Actual yield is calculated experimentally and gives an idea about the succeed of an experiment when compared to theoretical yield: In acid base titration experiment; our scope is finding unknown concentration of an acid or base: In the coffee cup experiment; energy change is identified when the indicator changes its colour: Pycnometer bottle has special design with capillary hole through the. www.opendialoguemediations.com. Explanation: A phase diagram is a graphical representation with axes, representing temperature and pressure, showing the equilibrium conditions of a given substance to be a solid, liquid, or gas. And for the last four to asking whether nitrogen has a stable liquid state at 1 80 m. Well, if we go to 1 80 m right here by 760 12 and draw a line across and we say, Oh, yes, it does have a stable liquid state.. [26] This contrasts with the low abundance of primordial 36Ar in Earth's atmosphere, which is only 31.5 ppmv (= 9340 ppmv 0.337%), comparable with that of neon (18.18 ppmv) on Earth and with interplanetary gasses, measured by probes. Melting point [22] Earth's crust and seawater contain 1.2 ppm and 0.45 ppm of argon, respectively. Now for the next one, I say that it has a trouble point at 63.1 K and 94 tour. Note that the density of pure water is defined to be 1 gram per cubic centimeter (or, g/ml). Answer (1 of 2): Yes. (12) (1) SN1 reaction (consider the stability Rectangle has cnnstarl area 0f 36, cM?Write an equaticn I0 represent Ihe lenglh, 23 @ function of the wioth, W for this rectangle Picvice adie? The pressure. These properties and ratios are used to determine the age of rocks by KAr dating. https://www.thoughtco.com/table-of-densities-of-common-substances-603976 (accessed March 5, 2023). Data for this section been provided by the British Geological Survey. Is at higher pressure in a lower temperature compared to the liquid. These applications will - due to browser restrictions - send data between your browser and our server. to liquid never mind solid though. Identify the correct statement(s) about argon's density in different phases. what is the biggest finite well defined number? Concentration How many milliliters of 8.14 M perchloric acid solution should be used to prepare 4.00 L of 0.600 M HCIO4? The name "argon" is derived from the Greek word , neuter singular form of meaning 'lazy' or 'inactive', as a reference to the fact that the element undergoes almost no chemical reactions. The water pressure off the gases in the bulb is 1.17 ADM from We have the pressure off neon from the previous result. They trapped a mixture of atmospheric air with additional oxygen in a test-tube (A) upside-down over a large quantity of dilute alkali solution (B), which in Cavendish's original experiment was potassium hydroxide,[14] and conveyed a current through wires insulated by U-shaped glass tubes (CC) which sealed around the platinum wire electrodes, leaving the ends of the wires (DD) exposed to the gas and insulated from the alkali solution. Okay, doing this calculation, the volume turns out Toby 0.800 Lito, we know we can calculate the number off mold off neon from the molar mass off anyone with this 20 using the formula beat divided by molecule among us. Explain your answer: In the laboratory; student dilutes 25.8 mL ofa 6.07 M hydrochloric acid solution to total volume of 150.0 mL_ Whhat is the concentration of the diluted solution?ConcentrationHow many milliliters of 8.14 M perchloric acid solution should be used to prepare 4.00 L of 0.600 M HCIO4?mL. With this 0.878 We can determine the pressure off argon just by subtracting the pressure off neon from the total pressure. We are given the following information. Argon (Ar).Argon has 18 protons as shown by the periodic An integrated supply risk index from 1 (very low risk) to 10 (very high risk). For more information on the Visual Elements image see the Uses and properties section below. Which has the greater density, solid argon or liquid argon? Brz HzO, Question Which of the following statements is true ? Murray Robertson is the artist behind the images which make up Visual Elements. Next week, would you marry this man? Move off Gas. For liquids, the value has to be measured because it certainly High = substitution not possible or very difficult. Its atomic spectrum showed new red and green lines, confirming it a new element. We don't save this data. Note that it has a VERY narrow temperature range f. Determine the standard error of the sample proportion Op random sample of 64 people, 48 Um' Is the key part+ of the MAC (membrane attack complex) C1 C3b CSa CSb N. Percent error (%). values Inat gives tnree key paints on tha greph: Graph the function (Valle" Morks)Descnbe how (he langlh changes the YnJth vanas (Value; mart ), Use the graphs to evaluate the expressions below:flg(2)) =g(f(3)) =f(f(4)) =glgo))=. Its triple point temperature of 83.8058K is a defining fixed point in the International Temperature Scale of 1990. Density is a measure of the amount of mass contained in a unit of volume. [31] Argon-36, in the form of argon hydride (argonium) ions, has been detected in interstellar medium associated with the Crab Nebula supernova; this was the first noble-gas molecule detected in outer space. At standard temperature and pressure (stp), it is a gas. "Noble Gases". In the gas, the distance between atoms is generally hugely different tens, or hundreds or millions of times larger.This answer is comparing the gas, liquid and solid states of normal matter. 24 Jun . The half-life of 39Ar is only 269years. The properties of MMCs depend upon the composite processing method, that is why the choice of fabrication process has a vital part to fulfil the industrial demands and to deliver . Argon is a gas at STP. Helmenstine, Anne Marie, Ph.D. (2020, August 27). First ionisation energyThe minimum energy required to remove an electron from a neutral atom in its ground state. [21] Air is the primary industrial source of purified argon products. From the information given, the substance here is Argon. Argon was first isolated in 1785 in Clapham, South London, by Henry Cavendish. Pro blem 2 (Supplemental Problem #2)-Activity-based costing versus traditional costing sunglasses. The percentage of an element produced in the top producing country. Answer Where the major source of argon is the decay of 40K in rocks, 40Ar will be the dominant isotope, as it is on Earth. In acid base titration experiment our scope is finding unknown concentration of an acid or base_ In the coffee cup experiment; enctgy ' change is identified when the indicator changes its colour. And now for the next partner. The mass of an atom relative to that of carbon-12. In this, argon atoms are electrically charged to reach temperatures of 10 000 C and the toxic dust particles passing through it are turned into to a blob of molten scrap. You have to go Answer all question in the picture QUESTION 22 Blacks codes were laws passed by many southern Three resistors (R,, Rz, and Ra) are connected in parallel to battery - with a voltage of V r | 352 22 = 552 R? The physician complained to the county sheriff that he was being harassed. Half of the distance between two unbonded atoms of the same element when the electrostatic forces are balanced. So we have 0.68 a. T. M. And it's at 83.7 degrees Kelvin. [28] In August 2000, another argon compound, argon fluorohydride (HArF), was formed by researchers at the University of Helsinki, by shining ultraviolet light onto frozen argon containing a small amount of hydrogen fluoride with caesium iodide. How many hundredths are equivalent to 9 tenths. You may browse, download or print out one copy of the material displayed on the Site for your personal, non-commercial, non-public use, but you must retain all copyright and other proprietary notices contained on the materials. We have a point 583 grams off neon at them Bridger off 295 Children. If you want to promote your products or services in the Engineering ToolBox - please use Google Adwords. See, Zawalick, Steven Scott "Method for preserving an oxygen sensitive liquid product", electrospray ionization mass spectrometry, Variable Specific Impulse Magnetoplasma Rocket, Magnetic susceptibility of the elements and inorganic compounds, "Material Safety Data Sheet Gaseous Argon", "HArF! 2003-2023 Chegg Inc. All rights reserved. You'll get a detailed solution from a subject matter expert that helps you learn core concepts. solid argon or liquid argon has the greater density. Heat flux and temperature distribution within the nano-channels are calculated by maintaining a fixed temperature difference between the two solid . One B stands for pressure. Hello, this week the element that's so indolent that scientists at one time thought it wouldn't react with anything, but in the chemical world laziness can have its advantages especially if it's super quiet car tyres or a safe chemical with which to pump up your diving suit that you're after. An argon atmosphere is also used for growing crystals of silicon and germanium. No. This chemical property of this first noble gas to be discovered impressed the namers. points) What is Pr(T; > 2X2 = 4? You can target the Engineering ToolBox by using AdWords Managed Placements. The argon phase diagram shows the phase behavior with changes in temperature and pressure. Argon provides an inert atmosphere in which welded metals will not oxidise. The atmospheres of Mars, Mercury and Titan (the largest moon of Saturn) contain argon, predominantly as 40Ar, and its content may be as high as 1.93% (Mars).[27]. Also, pure water is less dense than seawater, so fresh water can float on top of salt water, mixing at the interface. In the universe, argon-36 is by far the most common argon isotope, as it is the most easily produced by stellar nucleosynthesis in supernovas. It is composed of. Uranus has a rocky core about the size of Earth. It is used for the specific way it ionizes and emits light, such as in plasma globes and calorimetry in experimental particle physics. Points) What is Pr(-K _ Xz > 3)? Okay, so the next part there saying its critical temperature is at 126.2 kelvin. Kevin. In both the solid and liquid state, atoms (and molecules) are packed closely together.In solids the particles are in nearly fixed positions, though vibration is present as a result of thermal motion. Solid argon is thick than liquid argon because the emulsion wind has a positive pitch, and the solid phase is stable at advanced pressure. STP - Standard Temperature and Pressure & NTP - Normal Temperature and Pressure, Boiling Point - saturation pressure 14.7 psia and 760 mm Hg - (, Latent Heat of Evaporation at boiling point (. a. fragmentation b. budding c. hermaphroditism d. parthenogenesis 11..15 Find an equation for the line tangent to the curve at the point defined by the given value oft Also, find the value of at this point 75y"7-5,(=6 Write the equation of the tangent line Y= Jx - (Simplify your answers. solid Argon and some solid carbon dioxide and ice. Given that the system works,; what is the probability that the component B is not working? As a solid, it forms a face-centered cubic crystal. Block Solid or liquid argon have greater density? ThoughtCo, Aug. 27, 2020, thoughtco.com/table-of-densities-of-common-substances-603976. Argon has a normal boiling point of 87.2 K and a melting point (at 1 atm) of 84.1 K. Its critical temperature is 150.8 K, and its critical pressure is 48.3 atm. [12][13] An unreactive gas was suspected to be a component of air by Henry Cavendish in 1785.[14]. For a gas that is chemically lazy argon has proved to be eminently employable. But if she only took the time to learn about copper, to get to know it some; maybe then she would be likely to turn her back on the others and wear it with pride. Sketch the phase diagram for argon. It is more than twice as abundant as water vapor (which averages about 4000 ppmv, but varies greatly), 23 times as abundant as carbon dioxide (400 ppmv), and more than 500 times as abundant as neon (18 ppmv). When it is switched on an electric discharge passes through the gas, generating UV light. For liquid argon, the coefficient of thermal expansion is The temperature at which the liquidgas phase change occurs. Helmenstine, Anne Marie, Ph.D. "Table of Densities of Common Substances." A circuit system is given in the below figure. The procedure carries a risk of producing gas embolism and has resulted in the death of at least one patient. Argon is denser than air and displaces oxygen close to the ground during inert gas asphyxiation. #2 Vf 9vSolve for the current through the battery. Argon fluorohydride (HArF), a compound of argon with fluorine and hydrogen that is stable below 17K (256.1C; 429.1F), has been demonstrated. Argon makes a distinctive blue-green gas laser. Argon's complete octet of electrons indicates full s and p subshells. Argon makes up 0.94% of the Earths atmosphere and is the third most abundant atmospheric gas. Compressed argon gas is allowed to expand, to cool the seeker heads of some versions of the AIM-9 Sidewinder missile and other missiles that use cooled thermal seeker heads. to get: It has a triple point at 83.7 K and 0.68 atm. The coating on the inside surface of the bulb is activated by the UV light and it glows brightly. [6] Argon is the third-most abundant gas in Earth's atmosphere, at 0.934% (9340 ppmv). Gaseous argon has a lower density than solid argon. Argon is mostly used as an inert shielding gas in welding and other high-temperature industrial processes where ordinarily unreactive substances become reactive; for example, an argon atmosphere is used in graphite electric furnaces to prevent the graphite from burning. isn't an ideal gas when it is liquid! The bulk of argon applications arise simply because it is inert and relatively cheap. Boiling point The arrangements of electrons above the last (closed shell) noble gas. Helmenstine, Anne Marie, Ph.D. "Table of Densities of Common Substances." Let it be questionable. Argon has a normal boiling point of 87.2 K and a melting point (at 1 atm) of 84.1 K. Its critical temperature is 150.8 K, and its critical pressure is 48.3 atm. Density (g cm 3) Density is the mass of a substance that would fill 1 cm 3 at room temperature. Argon was discovered as a result of trying to explain why the density of nitrogen extracted from air differed from that obtained by the decomposition of ammonia. How to Calculate Density - Worked Example Problem, An Introduction to Density: Definition and Calculation, Ph.D., Biomedical Sciences, University of Tennessee at Knoxville, B.A., Physics and Mathematics, Hastings College. June 12, 2022 | why were the gerasenes afraid CAS number (12) (1) SN1 reaction (consider the stability of carbocation) CH (a) CH,CH,CH,CH,Br, (CH),CBr, CH,CH,CHB A B C Order: > > (b) OCH.CH,Br. Copyright of and ownership in the Images reside with Murray Robertson. However, compounds of argon have been detected in inert gas matrix isolation, cold gases, and plasmas, and molecular ions containing argon have been made and also detected in space. (70 points) OH. 35.y = 2.1 Write each set in the indicated form _ If you need to use to indicate pattern _ make sure to Iist at least the first four elements of the set:(a) Set-builder form: {r | x is a natural number and *24}Roster form:(D) Roster form: (1,2, 3, 4}Set-builder form: (Choose one), Yueslion Complete Evaluate the integral; 3dx 8 + 6x03 Inl8 Gx | + C 01 Inl-8 - 6x /+C0-3 Inl-8 6x |+ Anl-8 6x |+CFrono, Problem 4. They are more popular because they're prettier. Its high tech uses range from double glazing and laser eye surgery to putting your name in lights. Answer Argon has a normal boiling point of 87.2 K and a melting point (at 1 atm) of 84.1 K. Its critical temperature is 150.8 K, and its critical pressure is 48.3 atm. Temperature Choose the actual unit of temperature: C F K R Indicate which one, show Oojc - mechanism for the reaction, and explain your reasoning pibal notlo using no more than two sentences. Use integers or fractions for any numbers in the expression ). Density depends on temperature and pressure. n Gaseous argon has a lower density than liquid argon. In older versions of the periodic table, the noble gases were identified as Group VIIIA or as Group 0. The number off mall stone out Toby 0.290 Rearranging the first equation which is PV equals. And now we connect the critical Andy, uh, triple point using a curve line. [49], Argon is used as a propellant in the development of the Variable Specific Impulse Magnetoplasma Rocket (VASIMR). And our temperature. In summary, we designed a novel SELL-LTO battery with Li 4 Ti 5 O 12 cathode, LLZTO solid electrolyte, and a molten lithium anode with high safety, higher energy efficiency, and remarkable rate capability. Explain your answer: B) For the convergent case, is the speed of convergence faster or slower than the bisection method? It is difficult to detect because it is colorless, odorless, and tasteless. Sketch the phase diagram for argon. Because one a pressure in a temperature lineup, he couldn't go temperature and the credible pressure when they line up. Relative atomic mass Density is the mass of a substance that would fill 1 cm3 at room temperature. Assume the components fail independently_0.90.80.7What is the probability that entire system works (i.e , system reliability)? A t M. So let's say is 63.1 here and that is at 1 18 AM, right? For example, carbon can take the form of graphite or diamond. buddingc. As with most other liquefied noble gases, argon has a high scintillation light yield (about 51 photons/keV[40]), is transparent to its own scintillation light, and is relatively easy to purify. The percentage of the world reserves located in the country with the largest reserves. Not only does it protect the rubber from attack by oxygen, but it ensures less tyre noise when the car is moving at speed. Indeed, argon can be a solid, liquid or gas, depending on temperature or pressure. Number of neutrons in an argon isotope = Mass number - 18. insulation, in an argon atmosphere, of a double-walled liquefied gas tankinsulation, in an argon atmosphere, of a double-walled liquefied gas tank .. .. . The curve between the critical . What volume off me on is equal to the volume off me? Open 8AM-4.30PM what happened to danny's wife on blue bloods; whataburger coming to kennesaw ga; ovens auditorium covid policy; . 37Ar is created from the neutron capture by 40Ca followed by an alpha particle emission as a result of subsurface nuclear explosions. You're listening to Chemistry in its element brought to you by. Where the element is most commonly found in nature, and how it is sourced commercially. Which form of reproduction might be utilized by a sexually reproducing animal that has limited mobility? Identify the correct statement (s) about argon's density in different phases. Li 4 Ti 5 O 12 was first applied as a . n Liquid argon has a higher density than gaseous argon. In a solid, the forces between particles are strong enough to hold them in place.In a liquid, particles are very nearly as close to each other as they are in a solid, but those positions keep changing and the individual particles are free to move around.In a gas, there is a great deal of space between particles. liquefy argon and nitrogen and it tends to be under pressure when Kirk Othmer Encyclopedia of Chemical Technology. Okay, so for this question, they want us to draw the phase diagram of Are gone. Elements are organised into blocks by the orbital type in which the outer electrons are found. A triple point is at that location, and a triple point is when solid liquid and gas exists at equilibrium. In fact the gas had been isolated in 1785 by Henry Cavendish who had noted that about 1% of air would not react even under the most extreme conditions. In the subsurface environment, it is also produced through neutron capture by 39K, followed by proton emission. How can you take 9 toothpicks and make ten without breaking the toothpicks? Argon is used to displace oxygen- and moisture-containing air in packaging material to extend the shelf-lives of the contents (argon has the European food additive code E938). nandos creamy mash recipe . [48] Argon is also used in technical scuba diving to inflate a dry suit because it is inert and has low thermal conductivity. Liquid argon is used as the target for neutrino experiments and direct dark matter searches. Argon is also used as a preservative for such products as varnish, polyurethane, and paint, by displacing air to prepare a container for storage. The gas is stored at high pressure. The velocity field for a fluid is defined by u = [y/(x2 + y2)] and v = [4x/(x2 + y2)] where x and y are in meters. The RSC makes no representations whatsoever about the suitability of the information contained in the documents and related graphics published on this Site for any purpose. Critical temperature means that ah, Theo liquid and the gas phase of a substance have the same density so they can't be distinguished from each other anymore, and they say it's critical. These are our axes or why axes would be our pressure in K P. A. Please consider the following alkane. [23], Argon has been used by athletes as a doping agent to simulate hypoxic conditions. The transition of a substance directly from the solid to the gas phase without passing through a liquid phase. Relative atomic mass The mass of an atom relative to that of . He was then left with a gas that would not react and when he examined its spectrum he saw new groups of red and green lines, confirming that it was a new element. 4. Just vase I them. A teacher walks into the Classroom and says If only Yesterday was Tomorrow Today would have been a Saturday Which Day did the Teacher make this Statement? points) What ix ECX 42)? Argon is also used in fluorescent glow starters. Argon is used in some high-temperature industrial processes where ordinarily non-reactive substances become reactive. We know that at negative 1 72 degrees Celsius, our pressure paper pressure is 13 k p and at the normal boiling point which is at one atmospheric pressure or 101.3 k p a.