A chemist measures the energy change AH during the following reaction: CH₂(g) +20₂(g) → CO₂(g) + 2H₂O(1) Use the information to answer the following question. Suppose 42.0 g of CH4 react. Calculate how much heat will be released or absorbed. Round your answer to 3 significant digits. kJ ΔΗ=-882. kJ x10

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Problem 6.91QP: The Group 2A carbonates decompose when heated. For example, MgCO3(s)MgO(s)+CO2(g) Use enthalpies of...
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A chemist measures the energy change AH during the following reaction:
CH₂(g) +20₂(g) → CO₂(g)+2H₂O(1)
Use the information to answer the following question.
Suppose 42.0 g of CH4 react.
Calculate how much heat will be released or
absorbed.
Round your answer to 3 significant digits.
ΔΗ=-882. kJ
kJ
x10
×
Ś
Transcribed Image Text:A chemist measures the energy change AH during the following reaction: CH₂(g) +20₂(g) → CO₂(g)+2H₂O(1) Use the information to answer the following question. Suppose 42.0 g of CH4 react. Calculate how much heat will be released or absorbed. Round your answer to 3 significant digits. ΔΗ=-882. kJ kJ x10 × Ś
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