**Plese show the steps**

1) Consider the reaction, C_{3}H_{8} + 5 O_{2} => 3 CO_{2} + 4 H_{2}O.

How many moles of H_{2}Owill be made from 43 grams of O_{2}? Give your answer to one decimal place.

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2)

Consider the reaction, 3 Cu + 8 HNO_{3} => 3 Cu(NO_{3})_{2} + 2 NO + 4 H_{2}O.

How many moles of Cu will make 299.1 grams of NO? Give your answer to one decimal place.

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3)Consider the equation:

N_{2} + 3 H_{2} =>2 NH_{3}.

How many moles of NH_{3} will be made from 1.7 x 10^{22} molecules of N_{2}? Give your answer to one decimal place.

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4)Consider the reaction,

2 Al + 6 HCl => 2 AlCl_{3} + 3 H_{2}

How many molecules of H_{2 }will made from 78.5 moles of HCl? Take the log of your answer and enter it to 2 decimal places.

Subject | Science |

Due By (Pacific Time) | 4/18/2014 |

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