week 6 chemistry homework

1.) Use the balanced equation to answer the question.

2 C2H6(g) + 5 O2(g) delta4 CO(g) + 6 H2O(g)


How many moles of O2 are needed to react completely with 1.8 moles of C2H6?

mol O2

2.)Enter your answer in the provided box.

Use the balanced equation to answer the question.

2 C2H6(g) + 5 O2(g) delta4 CO(g) + 6 H2O(g)


How many moles of H2O are formed from 0.10 moles of C2H6?

mol H2O

3.) Enter your answer in the provided box.

Use the balanced equation to answer each question.

2 C2H6(g) + 5 O2(g) delta4 CO(g) + 6 H2O(g)


How many moles of C2H6 are needed to form 9.2 moles of CO?

mol C2H6

4.) Be sure to answer all parts.

Using the balanced equation for the combustion of acetylene, answer the following questions.

2 H―C≡C―H + 5 O2 → 4 CO2 + 2 H2O


a. How many moles of O2 are needed to react completely with 7.40 mol of C2H2?

mol O2

b. How many moles of C2H2 are needed to form 0.60 mol of CO2?

mol C2H2

5.) Be sure to answer all parts.

Using the balanced equation for the combustion of acetylene, answer the following questions.

2 H―C

C―H + 5 O2

4 CO2 + 2 H2O


a. How many moles of CO2 are formed from 9.0 mol of C2H2?

mol CO2

b. How many moles of H2O are formed from 0.13 mol of C2H2?

mol H2O

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