Given the Following Heat of Formation Values, Calculate the Heat

question 41

Multiple Choice

Given the following heat of formation values, calculate the heat of reaction for:
Na( s ) + Cl ₂ ( g ) → NaCl( s ) .
Δ H _f value in kJ\mol for Na( s ) is 0, for Na( g ) is 108.7, for Cl ₂ ( g ) is 0, and for NaCl( s ) is − 411.0.

• A)− 411.0 kJ
• B)+411.0 kJ
• C)− 302.3 kJ
• D)+519.7 kJ

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