#13 in most chemical reactions the amount of product obtained is a. equal to the theoretical yield b. less than the theoretical yield c. more than the theoretical yield

#14 in the chemical reaction, Mg + 2HCI->MgCl^2+H^2 how many moles of HCI are needed to completely react with 3.5 moles of Mg? a. 2 b. 3 c. 3.5 d. 7

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T 16. How many atoms of oxygen (O₂) are produced when a sample of 20 g of oxygen is created by the electrolysis of water? a. 1.46 x 1023 atoms of O₂ b. 3.76 x 1023 atoms of O₂ c. 4.88 x 1023 atoms of O₂ d. 1.20 x 1025 atoms of O₂ 17. What coefficients correctly balance the reaction: CH4+ O₂ → H₂O + CO₂. a. 1, 1, 1, 1 b. 1, 2, 2, 1 c. 1, 2, 1, 2 d. 1,2,1,1 18. For the reaction represented by the equation CH4 + 9₂→ H₂O + CO2, if 1000. g of methane reacts with excess oxygen to produce 2300. g of carbon dioxide, what is the actual yield of carbon dioxide? a. 83.8 g CO₂ b. 1000 g CO₂ c. 2300 g CO₂ d. 2742 g CO₂ 19. For the reaction represented by the equation CH, +____0₂_H₂O + CO₂, if 1000. g of methane reacts with excess oxygen to produce 2300. g of carbon dioxide, what is the theoretical yield of carbon dioxide? a. 83.8 g CO₂ b. 1000 g CO₂ c. 2300 g CO₂ d. 2742 g CO₂ CO₂, calculate the percentage 20. For the reaction represented by the equation CH +_0₂_H₂O + yield of carbon dioxide if 1000. g of methane react with excess oxygen to produce 2300. g of carbon dioxide. a. 83.88% b. 89.14% c. 92.76% d. 96.78% T 16. How many atoms of oxygen (O₂) are produced when a sample of 20 g of oxygen is created by the electrolysis of water? a. 1.46 x 1023 atoms of O₂ b. 3.76 x 1023 atoms of O₂ c. 4.88 x 1023 atoms of O₂ d. 1.20 x 1025 atoms of O₂ 17. What coefficients correctly balance the reaction: CH4+ O₂ → H₂O + CO₂. a. 1, 1, 1, 1 b. 1, 2, 2, 1 c. 1, 2, 1, 2 d. 1,2,1,1 18. For the reaction represented by the equation CH4 + 9₂→ H₂O + CO2, if 1000. g of methane reacts with excess oxygen to produce 2300. g of carbon dioxide, what is the actual yield of carbon dioxide? a. 83.8 g CO₂ b. 1000 g CO₂ c. 2300 g CO₂ d. 2742 g CO₂ 19. For the reaction represented by the equation CH, +____0₂_H₂O + CO₂, if 1000. g of methane reacts with excess oxygen to produce 2300. g of carbon dioxide, what is the theoretical yield of carbon dioxide? a. 83.8 g CO₂ b. 1000 g CO₂ c. 2300 g CO₂ d. 2742 g CO₂ CO₂, calculate the percentage 20. For the reaction represented by the equation CH +_0₂_H₂O + yield of carbon dioxide if 1000. g of methane react with excess oxygen to produce 2300. g of carbon dioxide. a. 83.88% b. 89.14% c. 92.76% d. 96.78%

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Solutions Q13 The answer is B Explanation The actual yiel... View the full answer