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Chemistry
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ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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In the reaction, 2KClO3(s)⟶2KCl(s)+3O2(g) what mass of potassium chlorate, KClO3, would be required to produce 565 L of oxygen, O2, measured at STP?
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- Please don't provide handwritten solutionarrow_forwardA small amount of oxygen gas may be prepared in the laboratory by the decomposition of potassium chlorate, KClO3, according to the following equation: 2KClO3(s) 2KCl(s) + 3O2(g) A 1.54-g sample of KClO3 is completely decomposed and the oxygen gas produced is collected over water at 25oC and at a total pressure of 757.0 torrs. (a) If the vapor pressure of water at 25oC is 23.8 torr, what is the partial pressure of O2 collected? (b) How many milliliters (mL) of O2 gas are collected under the stated condition? What is the volume of O2 gas if collected at STP?arrow_forwardWhat is the volume in liters of hydrogen gas that would be produced by the reaction of 56.0 g of Al with excess HCI at STP according to the following reaction? 2 Al (s) + 6 HCI (aq) → 2 AICI: (aq) + 3 H2 (g)arrow_forward
- The Haber Process synthesizes ammonia at elevated temperatures and pressures. Suppose you combine 1580 L of nitrogen gas and 4240 L of hydrogen gas at STP, heat the mixture to run the reaction, then separate the ammonia from the reaction mixture. What volume of reactant, measured at STP, is left over? Assume the reaction goes to completion. N₂ (g) + 3 H₂ (g) → 2 NH₃ (g)arrow_forwardWhat is the mass in grams of Al that were reacted with excess HCl if 5.20 L of hydrogen gas were collected at STP in the following reaction? 2 Al (s) + 6 HCl (aq) → 2 AlCl₃ (aq) + 3 H₂ (g)arrow_forwardThe chlorination of methane occurs in a number of steps that results in the formation of chloromethane and hydrogen chloride. The overall reaction is 2CH, (g) +3 Cl, () 2CH,CI(g) + 2 HCI(g) + 2CI (g) Suppose that a chemist combines 273 mL of methane and 689 mL of chlorine at STP in a 2.00 L flask. The flask is then allowed to stand at 298 K. If the reaction reaches 75.0% completion, what is the total pressure in the flask? Pictal = atm What is the partial pressure of CH,? Pon, = atm What is the partial pressure of Cl, ?arrow_forward
- The hydrogen gas evolved in a reaction between solid zinc and hydrochloric acid has been collected over water. The volume of water displaced is equal to 0.587 L. Given that the gas was collected at a temperature of 30.0°C and the atmospheric pressure was 738 torr, what mass (in mg) of hydrogen gas was collected? (3 sf) =arrow_forwardMethanol is produced industrially by catalytic hydrogenation of carbon monoxide according to the following equation: CO(g) + 2 H2(g) → CH3OH(l) If the yield of the reaction is 40%, what volume of CO (measured at STP) would be needed to produce 1.0 × 106 kg CH3OH?arrow_forward
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