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Question
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
Answer
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