Part A MISSED THIS? Read Section 6.3 (Pages 215 - 222) ; Watch KCV 6.3. A cylinder with a moveable piston contains 0.524 mol of gas and has a volume of 247 mL. What will its volume be if an additional 0.295 mol of gas is added to the cylinder? (Assume constant temperature and pressure.) • View Available Hint(s) ? V2 = mL

Part A MISSED THIS? Read Section 6.3 (Pages 215 - 222) ; Watch KCV 6.3. A cylinder with a moveable piston contains 0.524 mol of gas and has a volume of 247 mL. What will its volume be if an additional 0.295 mol of gas is added to the cylinder? (Assume constant temperature and pressure.) • View Available Hint(s) ? V2 = mL

Chemistry

9th Edition

ISBN:9781133611097

Author:Steven S. Zumdahl

Publisher:Steven S. Zumdahl

Chapter5: Gases

Section: Chapter Questions

Problem 165MP

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62 Ammonium dinitramide (ADN), NH4N(NO2)2, was considered as a possible replacement for aluminium chloride as the oxidizer in the solid fuel booster rockets used to launch the space shuttle. When detonated by a spark, AND rapidly decomposes to produce a gaseous mixture of N2,O2, and H2O. (This is not a combustion reaction. The ADN is the only reactant.) The reaction releases a lot of heat, so the gases are initially formed at high temperature and pressure. The thrust of the rocket results mainly from the expansion of this gas mixture. Suppose a 2.3-kg sample of ADN is denoted and decomposes completely to give N2,O2, and H2O. If the resulting gas mixture expands until it reaches a temperature of 100°C and a pressure of 1.00 atm, what volume will it occupy? Is your answer consistent with the proposed use of ADN as a rocket fuel?
9.87 What will be the final temperature of a mixture made from equal masses of the following: water at 25.0 C, ethanol at 35.5 C, and iron at 95.0 C?
Butane gas, C4H10, is sold to campers as bottled fuel. Its density at 25C and 1.00 atm is 2.38 g/L. What volume of butane gas at 25C and 1.00 atm is required to heat one gallon of water (d=1.00g/mL) from 25C to 98C ? The reaction for the combustion of butane (H f =125.6kJ/mol) is C4H10(g)+132 O2(g)4CO2(g)+5H2O(g)
A gaseous hydrocarbon reacts completely with oxygen gas to form carbon dioxide and water vapour. Given the following data, determine Hf for the hydrocarbon: Hreaction=2044.5KJ/molhydrocarbonHf(CO2)=393.5KJ/molHf(H2O)=242KJ/mol Density of CO2 and H2O product mixture at 1.00 atm, 200.c = 0.751g/L. The density of the hydrocarbon is less than the density of Kr at the same conditions.
Nitrous oxide, N2O, has been used as a dental anesthetic. The average speed of an N2O molecule at 25C is 379 m/s. Calculate the kinetic energy (in joules) of an N2O molecule traveling at this speed.
Carbon dioxide, which is recognized as the major contributorto global warming as a “greenhouse gas,” is formedwhen fossil fuels are combusted, as in electrical powerplants fueled by coal, oil, or natural gas. One potential wayto reduce the amount of CO2 added to the atmosphere isto store it as a compressed gas in underground formations.Consider a 1000-megawatt coal-fired power plant that producesabout 6 x 106 tons of CO2 per year. (a) Assumingideal-gas behavior, 1.00 atm, and 27 °C, calculate the volumeof CO2 produced by this power plant. (b) If the CO2 isstored underground as a liquid at 10 °C and 120 atm and adensity of 1.2 g/cm3, what volume does it possess? (c) If itis stored underground as a gas at 30 °C and 70 atm, whatvolume does it occupy?
Carbon dioxide, which is recognized as the major contributorto global warming as a “greenhouse gas,” is formedwhen fossil fuels are combusted, as in electrical powerplants fueled by coal, oil, or natural gas. One potential wayto reduce the amount of CO2 added to the atmosphere isto store it as a compressed gas in underground formations.Consider a 1000-megawatt coal-fired power plant that producesabout 6 * 106 tons of CO2 per year. (a) Assumingideal-gas behavior, 1.00 atm, and 27 °C, calculate the volumeof CO2 produced by this power plant. (b) If the CO2 isstored underground as a liquid at 10 °C and 120 atm and adensity of 1.2 g>cm3, what volume does it possess? (c) If itis stored underground as a gas at 30 °C and 70 atm, whatvolume does it occupy?
What volume of CH4(g), measured at 25 ºC and 745 mmHg, must be burned in excess oxygen to release 1.00 x 106kJ of heat to the surroundings? (PV=nRT, R=0.08206 ?∙??????∙?, 1 atm = 760mmHg) CH4(g) + 2O2(g) → CO2(g) + 2H2O(l) ∆Hrxn = -890.3kJ/mol
When limestone (solid CaCO3) is heated, it decomposes into lime (solid CaO) and carbon dioxide gas. This is an extremely useful industrial process of great antiquity, because powdered lime mixed with water is the basis for mortar and concrete — the lime absorbs CO2 from the air and turns back into hard, durable limestone. Suppose some calcium carbonate is sealed into a limekiln of volume 550.L and heated to 700.0°C. When the amount of CaCO3 has stopped changing, it is found that 4.14kg have disappeared. Calculate the pressure equilibrium constant Kp this experiment suggests for the equilibrium between CaCO3 and CaO at 700.0°C. Round your answer to 2 significant digits. Note for advanced students: it's possible there was some error in this experiment, and the value it suggests for Kp does not match the accepted value.
The average oxygen content of arterial blood is approximately 0.25 g of O2 per liter. Assuming the body temperature of 37 °C, how many moles of oxygen are transported by each liter of arterial blood? How many milliters does it correspond to at 37 °C and 1 atm? MO = 16 g/mol, R = 8,314 J/molK
Given that ΔHvap = 40.66 kJ/mol for water at 100 °C, calculate Kb of H2O.
At 25 °C and 765.6 torr, a sample that is a gaseous compound containing carbon, hydrogen, and oxygen occupies a volume of 0.582 L. A mass of 1.103 g of this sample was burned in a bomb calorimeter, producing 1.294 g of liquid water and 2.108 g of gaseous carbon dioxide. The heat produced from the combustion raised the temperate of the calorimeter from 25 °C to 31.94 °C. a.) What is the percent elemental composition by mass of the unknown sample. b.) Determine the empirical formula of the sample.

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