MISSED THIS? Watch (WE. Gases in Chemical Reactions: Read Section 6.7. You can click on the Review link to access the section in your eText.Automobile airbags inflate following a serious impact. The impact triggers the following chemical reaction:2NaNs(s) (→ 2Na(s) + 3Nz(K)Part AIf an automobile air bag has a volume of 11.8 L, what mass of NaNs (n g) is required to fully inflate the air bag upon impact? Assume STP conditionsExpress your answer in grams to three significant figures.View Available Hint(s)15. ΑΣΦΑ771SubmitPrevious Answersg NaN

MISSED THIS? Watch IWE. Gases in Chemical Reactions: Read Section 6.7. You can click on the Review link to access the section in your eText. Automobile airbags inflate following a serious impact. The impact triggers the following chemical reaction: 2NaN() (→ 2Na(s) + 3N2(g) Part A If an automobile air bag has a volume of 11.8 L, what mass of NaNs (n g) is required to fully inflate the air bag upon impact? Assume STP conditions. Express your answer in grams to three significant figures. View Available Hint(s) 5 ΑΣΦ 771 Submit Previous Answers g NaN

MISSED THIS? Watch IWE. Gases in Chemical Reactions: Read Section 6.7. You can click on the Review link to access the section in your eText. Automobile airbags inflate following a serious impact. The impact triggers the following chemical reaction: 2NaN() (→ 2Na(s) + 3N2(g) Part A If an automobile air bag has a volume of 11.8 L, what mass of NaNs (n g) is required to fully inflate the air bag upon impact? Assume STP conditions. Express your answer in grams to three significant figures. View Available Hint(s) 5 ΑΣΦ 771 Submit Previous Answers g NaN

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter5: Gases

Section: Chapter Questions

Problem 164CP

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When calcium carbonate is heated strongly, it evolves carbon dioxide gas. CaCO3(s)CaO(s)+CO2(g) 25 g of CaCO3 is heated, what mass of CO2would be produced? What volume would this quantity of CO2 (CU at STP?
The nitrogen content of organic compounds can be determined by the Dumas method. The compound in question is first reacted by passage over hot CuO(s): CompoundCuO(s)HotN2(g)+CO2(g)+H2O(g) The product gas is then passed through a concentrated solution of KOH to remove the CO2. After passage through the KOH solution, the gas contains N2 and is saturated with water vapor. In a given experiment a 0.253-g sample of a compound produced 31.8 mL N2 saturated with water vapor at 25C and 726 torr. What is the mass percent of nitrogen in the compound? (The vapor pressure of water at 25C is 23.8 torr.)
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?
105 The decomposition of mercury(II) thiocyanate produces an odd brown snake-like mass that is so unusual the process was once used in fireworks displays. There are actually several reactions that take place when the solid Hg(SCN)2 is ignited: 2Hg(SCN)2(s)2HgS(s)+CS2(s)+C3N4(s)CS2(s)+3O2(g)CO2(g)+2SO2(g)2C3N4(s)3(CN)2(g)+N2(g)HgS(s)+O2(g)Hg(l)+SO2(g) A 42.4-g sample of Hg(SCN)2 is placed into a 2.4-L vessel at 21°C. The vessel also contains air at a pressure of 758 torr. The container is sealed and the mixture is ignited, causing the reaction sequence above to occur. Once the reaction is complete, the container is cooled back to the original temperature of 21°C. (a) Without doing numerical calculations, predict whether the final pressure in the vessel will be greater than, less than, or equal to the initial pressure. Explain your answer. (b) Calculate the final pressure and compare your result with your prediction. (Assume that the mole fraction of O2 in air is 0.21.)