CHAPTER 7 - GASES, LIQUIDS, AND SOLIDS G Previous Page 4 of 8 Next O A tank contains helium for filling balloons. It holds 8.25 L of He at 48.5 atm and 26.7 °C. What would be the volume of this helium at 1.27 atm and 12.3 °O

Q: A sample of 0.227 mole of gas has a volume of 568 mL at 24 °C. Calculate the pressure in atm of this…

A: Given, Number of moles of gas = 0.227  Volume = 568 mL  1000mL = 1 L 568 mL = 0.568L  Temperature =…

Q: The radius of a xenon atom is 1.3 x 10^-8 cm. A 100-mL flask is filled with Xe at a pressure of 1.0…

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Q: If 88.0 grams of carbonic acid are sealed in a 2.00 L soda bottle at room temperature (298.15 K) and…

A: Recall the reaction for decomposition of carbonic acid       H2CO3aq→H2Ol + CO2gFind moles of…

Q: Mg(s)+2HCl(aq)→MgCl2(aq)+H2(g). If 243 mL of hydrogen gas is collected at 25 Celsius and has a total…

A: Since partial pressure of hydrogen = total pressure - vapour pressure of water = 755 - 23.78 =…

Q: 4.00 L flask contains 1.40 atm argon at 25°C. a) Calculate the moles of argon gas initially present…

A: We will calculate all parts

Q: 9. Small quantities of hydrogen gas can be prepared in the laboratory by the following reaction: Zn…

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Q: For many purposes we can treat nitrogen (N,) as an ideal gas at temperatures above its boiling point…

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Q: 45. A piece of dry ice (solid carbon dioxide) with a mass of 28 8 . sublimes (converts from solid to…

A: The mass of carbon dioxide is = 28.8 g The temperature of the gas is = 22oC = 22oC+273.15 = 295.15 K…

Q: A 4.17 g sample of a diatomic gas at 38 °C has a volume of 1.5 L at 1.00 atm. Identify the gas.

A: Given Pressure = P = 1 atm. Volume = V = 1.5 L Temperature = T = 38oC = (38+273.15)K = 311.15 K Mass…

Q: 70. What mass of neon gas would be required to fill a 3.00-L flask to a pressure of 925 mm Hg at 26…

A: PV = nR T  where  P = 925 mm Hg x 1 atm/760 mmHg = 1.217 atm V = 3 L T = 26 °C = 26 + 273 K = 299 K…

Q: A chemist vaporized a liquid compound and determined its density. If the density of the vapor at…

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Q: 17- Which of the followings will have the greatest volume at standart temperature and pressure? O A)…

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Q: A gas originally at 27 °C and 1.00 atm pressure in a 3.9 L flask is cooled at constant pressure…

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Q: 96 A 193-g moturs of oxygan and argon is found to occupy a volung of 162L when measured at 675.9…

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Q: Find the temperature of .8- the neon gas that has volume 12.30 L at 1.95atm and ?contains 0.654 mol

A: Given :-  Volume of gas = 12.30 L  Pressure of gas = 1.95 atm  Number of moles of gas = 0.654 mol…

Q: A 2.02 g sample of aluminum reacts with excess of HCl(aq), and the liberated hydrogen gas is…

A: Given,  2Al(s) + 6 HCl(aq) -------> 2 AlCl3(aq) + 3 H2 (g)  The mass of Al = 2.02 g.   At…

Q: What mass of helium gas exerts a pressure of 965 mmHg in a volume of 5.40 L at a temperature of…

A: m = ?  M = 4 g/mol P = 965 mmHg = 1.269 atm V = 5.40 L  T = 27°C = 300 K  R = 0.0821 L.atm/mol.K

Q: 5.62 g sample of carbon dioxide at STP is heated so the temperature increases by 23 K.  If the…

A: To calculate the new pressure of the gas if the temperature of the gas is increased by 23 K.…

Q: Hydrogen gas is collected over water at 23.5 °C and an atmospheric pressure of 765 mmHg. Calculate…

A: Hydrogen gas is collected over water at 23.5 °C and an atmospheric pressure of 765 mm Hg. Calculate…

Q: How many liters of H, gas would be produced by the complete reaction of 2.93 g of Al solid at STP…

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Q: A 2.50 gm sample of liquid ether is placed in a 1.50-L flask and vaporized by heating to 75°C at…

A: From ideal gas equation PV=nRT , by using giving information we can find molar mass.

Q: has a volume of 9.92 L at STP. 50. I A sample of krypton gas What would be the volume of this gas…

A: Given data,Initial volume(V1)=9.92LInitial temperature(T1)=273.15K Initial pressure(P1)=1 atmFinal…

Q: How many liters of hydrogen gas is formed from the complete reaction of 18.1 g C? Assume that the…

A: The stoichiometry of the given reaction shows that 1 mol of C (i.e. 12 g of C) produces 1 mol of…

Q: What depth of mercury (in m) creates a pressure of 1.23 atm?

A: The depth of mercury (height) and pressure are related by the formula- P = density of mercury x g x…

Q: Exactly equal amounts (in moles) of gas A and gas B arecombined in a 1-L container at room…

A: The statement (d) says that gas B makes a greater contribution to the average density of the mixture…

Q: Sodium metal reacts with water to produce hydrogen gas according to the following equation:2Na(s) +…

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Q: How many grams of hydrogen sulfide (H,S) gas are contained in 1.75 L of H2S at 10.0 degrees C at…

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Q: A sample of O2 gas ws collected over water at a total pressure of 620 mm Hg and 25 degrees celsius.…

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Q: An 8.00 g sample of gas occupies 22.4 L at 2.00 atm and 273K. What is the molar mass of the  gas? (R…

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Q: If 68.0 cm of hydrogen gas is collected over water at 45°C and 765 mm Hg, what is the volume of dry…

A: Given data contains, Pressure (P) = 765 mmHg-71.9 mmHg= 693.1mmHg=0.9119 atm Volume (V) = 68.0 cm3 =…

Q: 47.9-mL sample of gas in a cylinder is warmed from 27 ∘C to 86 ∘C. What is its volume at the final…

A: According to Charles's law, at constant pressure for an ideal gas, volume is proportional to…

Q: calculate the density (in g/L) of C2H8(g) at 75oC and 2.1 atm. (R=0.08206 L * atm/mol*K)

A: density of gas can be calculated from ideal gas equation expanding p=pressure of gas in atm…

Q: 17. Is 27.00 grams of nitrogen gas that occupies 22.0 L at 1.0°C at standard pressure? 18. A sample…

A: This is ideal gas calculation

Q: Aluminum reacts with oxygen to form aluminum oxide. Al(s) + 02(g) + Al203(s) A 44.751 gram sample of…

A: Given, Al(s) + O2(g) ➝ Al2O3 Balancing the above equation, we get 4Al(s) + 3O2(g) ➝ 2Al2O3 Mass of…

Q: 26. A 125 mL sample of chlorine gas at 25 °C is heated to a vol- ume of 175 mL. If the pressure…

A: Given: Initial volume, V1 = 125mL Initial temperature, T1= 25oC = 273.15 + 25 = 298.15K Final volume…

Q: 1.22 atm. What is the molar mass of the unknown compound?     38.0 g/mol     12.2 g/mol…

A: Given that W= 0.869 g T=298k V= 0.245 L P= 1.22 atm R= 0.0821 L atm K-1mol-1

Q: 11. Which statement properly describes the differences between a real gas and an ideal gas? The…

A: In this question, we have to choose the statement which describes the differences between a real gas…

Q: 1. What mass of helium gas exerts a pressure of 1.20 atm in a volume of 5.40 L at a temperature of…

A: The partial pressure of each gas has same value which is 0.30377 atm this is because both are equi…

Q: A 32.80 g sample of argon gas is added to a 15.50 g sample of radon gas in a 10.0-L container at…

A: Given that,  Amount of argon gas = 32.80 g Moles of argon gas = 32.80 g/39.948 g/mol = 0.82 mol…

Q: .0380 of Mg strip reacted completely with 6 M HCL in the gas buret and 35.8 mL of hydrogen gas is…

A: Volume of hydrogen gas = 35.8 mL = 0.0358 L Mass of magnesium metal = 0.0380g Temperature = 200C =…

Q: Ifa compressed air cylinder for scuba diving contains 6.0 L of gas at 18°C and 210. atm pressure,…

A: The cylinder of compressed air for scuba divers has changed in all three parameters(P, V, T). For…

Q: In atm what is the pressure in a 5.00 L tank with

A: Given volume5.00 L tank with 43.50 g of oxygen gas at 350 K  We have to find pressure in atm

Q: Sodium metal reacts with water to produce hydrogen gas according to the following equation: 2Na(s) +…

A: Temperature=25 °CPressure=758 mm Hg1 atm=760 mm HgSo, pressure (in atm)=0.997 atm Volume=7.27…

Q: At constant volume, how does the pressure of an ideal gas change as temperature increases (increase,…

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Q: A sample of unknown metal (X) of mass 0.116-g reacts with hydrochloric acid to produce 77.5mL of…

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Q: Consider the following reaction: Zn(s)+2HCl(aq)=ZnCl2(aq)+H2(g) If 15.00 g of solid zinc reacts with…

A: The reaction  Zn(s)+2HCl(aq)------------------->ZnCl2(aq)+H2(g)

Q: Aluminum reacts with chlorine gas to form aluminum chloride. 2 Al(s) + 3 Cl2(g) ------------> 2…

A: Given that: Temperature = 298K Pressure = 225 mm Hg = 0.296atm…

Q: A 34.0 L metal cylinder stores a sample of gas at 26 °C under 1.42 atm. The temperature of the…

A: After decomposition of gas at higher temperature, moles will be doubled but volume remains constant.…

Q: 27.7 L of a gas is cooled at constant pressure from 87 °C to 24 °C. What will the volume be at the…

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