6.000 g of Compound X with molecular formula C₂H4 are burned in a constant-pressure calorimeter containing 15.00 kg of water at 25 °C. The temperature of the water is observed to rise by 4.426 °C. (You may assume all the heat released by the reaction is absorbed by the water, and none by the calorimeter itself.) Calculate the standard heat of formation of Compound X at 25 °C. Be sure your answer has a unit symbol, if necessary, and round it to the correct number of significant digits. 0 ロ・ロ X CORRECT NUMBER OF SIGNIFICANT DIGITS

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6.000 g of Compound X with molecular formula C₂H4 are burned in a constant-pressure calorimeter containing 15.00 kg of water at 25 °C.
The temperature of the water is observed to rise by 4.426 °C. (You may assume all the heat released by the reaction is absorbed by the
water, and none by the calorimeter itself.) Calculate the standard heat of formation of Compound X at 25 °C.
Be sure your answer has a unit symbol, if necessary, and round it to the correct number of significant digits.
0
010
ロ・ロ
X
CORRECT NUMBER OF
SIGNIFICANT DIGITS
Transcribed Image Text:6.000 g of Compound X with molecular formula C₂H4 are burned in a constant-pressure calorimeter containing 15.00 kg of water at 25 °C. The temperature of the water is observed to rise by 4.426 °C. (You may assume all the heat released by the reaction is absorbed by the water, and none by the calorimeter itself.) Calculate the standard heat of formation of Compound X at 25 °C. Be sure your answer has a unit symbol, if necessary, and round it to the correct number of significant digits. 0 010 ロ・ロ X CORRECT NUMBER OF SIGNIFICANT DIGITS
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