(For #5-7) Acetylene (C2H2) is formed by the reaction of water with calcium carbide,according to the following equation:CaC2 (9) + 2 H20 () → Ca(OH)2 (nq) + C2H2 (g)Mr Xiyao was told to prepare 10 L (at STP) of acetylene in the laboratory.5. How many moles of acetylene should Ms Xiyao produce?A. 0.644 molB. 0.446 molC. 0.464 molD. 4.064 mol6. How many moles of CaC2 is needed to produce 10 L of acetylene? A.0.644 molC. 0.464 molB. 0.446 molD. 4.064 mol7. How many grams of CaC2 must Ms Xiyao prepare? (Molar mass of CaC2 is 64g/mol)A. 68.2 gВ. 62.8 gC. 28.6 gD. 26.8 g(For #8-10) Mr Sang Cheng burned 50 L of acetylene (C2H2) at STP in a constantpressure piston. The piston expanded until the reaction was over. The reaction proceeds:2 C,H2(g) + 5 O2 (8) → 4 CO2 (2) + 2 H2(8)8. How many moles of acetylene is available for reaction?A. 2.23 molB. 3.22 molC. 3.23 molD. 3.32 mol9. Assuming that all of the acetylene reacted, how many moles of CO2 was formed?A. 6.64 molB. 6.46 molC. 6.44 molD. 4.46 mol10. What volume is occupied by the CO2 at STP?C. 10.0 LA. 0.10LВ. 1.00 LD. 100 L

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(For #5-7) Acetylene (C2H2) is formed by the reaction of water with calcium carbide, according to the following equation: CaC2 (9) + 2 H20 q) → Ca(OH)2 (n4) + C2H2) Mr Xiyao was told to prepare 10 L (at STP) of acetylene in the laboratory. 5. How many moles of acetylene should Ms Xiyao produce? C. 0.464 mol A. 0.644 mol B. 0.446 mol D. 4.064 mol 6. How many moles of CaC2 is needed to produce 10 L of acetylene? A. 0.644 mol C. 0.464 mol D. 4.064 mol B. 0.446 mol 7. How many grams of CaC2 must Ms Xiyao prepare? (Molar mass of CaC2 is 64 g/mol) A. 68.2 g B. 62.8 g C. 28.6 g D. 26.8 g (For #8-10) Mr Sang Cheng burned 50 L of acetylene (C2H2) at STP in a constant pressure piston. The piston expanded until the reaction was over. The reaction proceeds: 2 C,H2) + 5 O2) → 4 CO2() + 2 H2 @) 8. How many moles of acetylene is available for reaction? C. 3.23 mol A. 2.23 mol B. 3.22 mol D. 3.32 mol 9. Assuming that all of the acetylene reacted, how many moles of CO2 was formed? A. 6.64 mol B. 6.46 mol C. 6.44 mol D. 4.46 mol 10. What volume is occupied by the CO2 at STP? A. 0.10L В. 1.00 L С. 10.0 L D. 100 L

(For #5-7) Acetylene (C2H2) is formed by the reaction of water with calcium carbide, according to the following equation: CaC2 (9) + 2 H20 q) → Ca(OH)2 (n4) + C2H2) Mr Xiyao was told to prepare 10 L (at STP) of acetylene in the laboratory. 5. How many moles of acetylene should Ms Xiyao produce? C. 0.464 mol A. 0.644 mol B. 0.446 mol D. 4.064 mol 6. How many moles of CaC2 is needed to produce 10 L of acetylene? A. 0.644 mol C. 0.464 mol D. 4.064 mol B. 0.446 mol 7. How many grams of CaC2 must Ms Xiyao prepare? (Molar mass of CaC2 is 64 g/mol) A. 68.2 g B. 62.8 g C. 28.6 g D. 26.8 g (For #8-10) Mr Sang Cheng burned 50 L of acetylene (C2H2) at STP in a constant pressure piston. The piston expanded until the reaction was over. The reaction proceeds: 2 C,H2) + 5 O2) → 4 CO2() + 2 H2 @) 8. How many moles of acetylene is available for reaction? C. 3.23 mol A. 2.23 mol B. 3.22 mol D. 3.32 mol 9. Assuming that all of the acetylene reacted, how many moles of CO2 was formed? A. 6.64 mol B. 6.46 mol C. 6.44 mol D. 4.46 mol 10. What volume is occupied by the CO2 at STP? A. 0.10L В. 1.00 L С. 10.0 L D. 100 L

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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