The decomposition of H F (MM = 20 g/mol) is an endothermic process. The balanced equation is shown below. 2HF → H2 + F AH =? Which of the following is the heat of reaction for the decomposition of H F if 61 g of HF requires 810 kJ of heat energy to be absorbed?

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Chapter1: Chemical Foundations
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A. 1.2 x 103kJ/molrxn

B. 1.9 x 10-3kJ/molrxn

C. 270 kJ/molrxn

D. 540 kJ/molrxn

 

I think it is A but I'm not sure. Can anyone help me with this?

The decomposition of \( \text{HF} \) (\( \text{MM} = 20 \, \text{g/mol} \)) is an endothermic process. The balanced equation is shown below.

\[ 2\text{HF} \rightarrow \text{H}_2 + \text{F}_2 \quad \Delta H = ? \]

Which of the following is the heat of reaction for the decomposition of \( \text{HF} \) if 61 g of \( \text{HF} \) requires 810 kJ of heat energy to be absorbed?
Transcribed Image Text:The decomposition of \( \text{HF} \) (\( \text{MM} = 20 \, \text{g/mol} \)) is an endothermic process. The balanced equation is shown below. \[ 2\text{HF} \rightarrow \text{H}_2 + \text{F}_2 \quad \Delta H = ? \] Which of the following is the heat of reaction for the decomposition of \( \text{HF} \) if 61 g of \( \text{HF} \) requires 810 kJ of heat energy to be absorbed?
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