MISSED THIS? Read Section 6.7 (Pages 235-238); Watch IWE 6.12. Oxygen gas reacts with powdered aluminum according to the following reaction: 4Al(s) + 302(g) → 2Al2O3(8) Part A What volume of O₂ gas, measured at 768 mmHg and 26 °C, is required to completely react with 55.0 g of Al? Express the volume in liters to three significant figures. 195] ΑΣΦ Submit Provide Feedback Request Answer ? L 1

MISSED THIS? Read Section 6.7 (Pages 235-238); Watch IWE 6.12. Oxygen gas reacts with powdered aluminum according to the following reaction: 4Al(s) + 302(g) → 2Al2O3(8) Part A What volume of O₂ gas, measured at 768 mmHg and 26 °C, is required to completely react with 55.0 g of Al? Express the volume in liters to three significant figures. 195] ΑΣΦ Submit Provide Feedback Request Answer ? L 1

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

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Acetylene torches are used for welding. These torches use a mixture of acetylene gas, C₂ H₂, and oxygen gas, O₂ to produce the following combustion reaction: 2C₂ H2(g) + 5O2 (g)→4CO2 (g) + 2H₂O(g) Part A Imagine that you have a 7.00 L gas tank and a 2.00 L gas tank. You need to fill one tank with oxygen and the other with acetylene to use in conjunction with your welding torch. If you fill the larger tank with oxygen to a pressure of 135 atm, to what pressure should you fill the acetylene tank to ensure that you run out of each gas at the same time? Assume ideal behavior for all gases. Express your answer with the appropriate units. ► View Available Hint(s) P = 48.4 Submit Previous Answers atm 巴」? X Incorrect; Try Again; 4 attempts remaining
A student reacts 0.0975 g of magnesium with 5.00 mL of 3.00 M hydrochloric acid in a eudiometer (gas collection tube). Write a balanced equation for the reaction. What is the limiting reactant? What volume of hydrogen gas (in mL) does the student collect over water at 28.50°C and 778.1 mmHg?
A 0.6333 g sample of a metal carbonate was reacted with hydrochloric acid. The carbon dioxide gas generated was collected over water at a temperature of 26.0°C and pressure of 103.80 kPa. The final volume of carbon dioxide gas collected was 125.0 mL. XCO₃(s) + 2HCl(aq) → XCl₂(aq) + H₂O(l) + CO₂(g) Find the moles of the metal carbonate reacted.
A common ingredient used in baking to help batters rise is baking soda or sodium bicarbonate, NaHCO3. It’s action as an ingredient in baking is to undergo a chemical reaction to produce carbon dioxide gas. Upon heating the baking soda decomposes by the reaction below. 2 NaHCO3 → Na2CO3 + H2O + CO2 If you use 1 teaspoon of baking soda (4.8 grams) in a recipe, what volume of CO2 is produced? The density of CO2 at 175 °C, a typical baking temperature, is 1.181 g/L.
etermine the total volume of all gases formed when 75.0 mL an explosive (C3H5(NO3)3 , d = 1.60 g/mL, molar mass = 227.10 g/mol) reacts according to the following reaction. Assume room temperature and pressure conditions. 4 C3H5(NO3)3(l) → 6 N2(g) + O2(g) + 12 CO2(g) + 10 H2O(g)
a 2.802g sample of an unknown pure metal (M) is added to a 0.2 L solution of 2 mol/L H2SO4(aq). The metal reacts with the acid until the metal is completely gone to form M3+(aq) ion in the solution and produces hydrogen gas that is collected. The hydrogen gas that is collected over water that is isolated from the reaction has a volume of 0.82 L at 25 degrees Celsius and a total pressure of 704.0 mmHg. How many moles of H2(g) are produced? Write a balanced equation for the reaction of M with H2SO4(aq). What is the identity of metal M?
A gas phase reaction occurs in a syringe at constant temperature and pressure. If the initial volume in the syringe is 12.3 mL and the final volume is 4.1 mL, which of the following general reactions could have occurred? a) A(g) + B(g) → AB(g) b) 2A(g) + B(g) → A2B(g) c) 2AB(g) → A2(g) + 2B(g) d) 2AB (g) → A2(g) + B2(g) e) 2A2(g) + 4B(g) → 4AB(g) a e
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SF6 can be synthesized by the reaction: SO2(g) + 3 F2(g) → SF6(g) + O2(g)A 1.25-L reaction vessel, initially at 26°C, contains sulfur dioxide gas at a partial pressure of 184 mmHg and fluorine gas at a partial pressure of 511 mmHg. Identify the limiting reactant and determine the theoretical yield of SF6 in grams.
Acetylene, used in welding torches, can be produced by the reaction CaC2(s) + 2 H2O(l) → C2H2(g) + Ca(OH)2(aq). A student found that 4.00 g of CaC2(s) would produce 1.71 L of C2H2(g) at SATP. The percent error in the experiment was Question 18 options: A) 90.5% B) 10.5% C) 89.3% D) 9.53%
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