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Calculate ΔHf for Ni2O3. Given: Equation: 2 Ni (s) + 11/2 O2 (g) --> Ni2O3 (the...

Calculate ΔHf for Ni2O3.

Given:

Equation: 2 Ni (s) + 11/2 O2 (g) --> Ni2O3 (the O's are like the letter Oxygen not zero's)

Mass of Calorimeter: 6,000g

Sp of calorimeter: 0.44 J/g°C

Mass of water: 12,000g

Sp of water: 4.18 J/g°C

#g Ni used: 19.33g

#g O2 used: 7.99g

initial temperature: 21.45 °C

final temperature: 24.63°C

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