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Science-Related Homework Help Chemistry Topic started by: Whelan on May 5, 2015



Title: When 1.0 gram of hydrogen reacts with 8.0 grams of oxygen 9.0 grams of water are produced and 142 kJ
Post by: Whelan on May 5, 2015
When 1.0 gram of hydrogen reacts with 8.0 grams of oxygen 9.0 grams of water are produced and 142 kJ of heat are released. How many grams of hydrogen and how many grams of oxygen must react to produce 250 kJ of heat?
A) 0.57 g H2 and 4.5 g O2
B) 0.57 g H2 and 14 g O2
C) 1.8 g H2 and 4.5 g O2
D) 1.8 g H2 and 14 g O2


Title: Re: When 1.0 gram of hydrogen reacts with 8.0 grams of oxygen 9.0 grams of water are produced and 14
Post by: hbutler2 on May 26, 2015
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Title: Re: When 1.0 gram of hydrogen reacts with 8.0 grams of oxygen 9.0 grams of water are produced and ...
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