Calculate triangle heat if 85.0 grams of SnO2 react in the following equation:

2SnO2 arrow 2SnO + O2

Please write the steps and the answer

Thank You

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  1. Look up heat formation SnO2 and SnO.
    delta Hrxn = (DHproducts)-(DHreactants).

    [Note: heat formation O2 is zero).

    Delta Hrxn will be for 2 moles SnO2. Find the proportion of 85.0 grams.

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