ACTIVITY: 5 grams of an unknown compound was dissolved in 75 ml of water with an initial temperature of 22.5-C contained in a coffee-cup calorimeter. Upon dissolution of the compound, the final temperature of the resulting solution is 33.2C The calorimeter constant used is 200 1/-C. What is the heat of the solution of the compound?

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ACTIVITY:
5 grams of an unknown compound was dissolved in 75 ml of water with an initial temperature of
22.5-C contained in a coffee-cup calorimeter. Upon dissolution of the compound, the final temperature of the
resulting solution is 33.2C The calorimeter constant used is 200 3/C. What is the heat of the solution of the
compound?
Transcribed Image Text:ACTIVITY: 5 grams of an unknown compound was dissolved in 75 ml of water with an initial temperature of 22.5-C contained in a coffee-cup calorimeter. Upon dissolution of the compound, the final temperature of the resulting solution is 33.2C The calorimeter constant used is 200 3/C. What is the heat of the solution of the compound?
ACTIVITY:
1. Write the thermochemical equation of one mole af nitrogen gas, N; reacts with oxygen gas, 02, two
moles of nitric oxide is formed. In the process, 180.5 k of heat is required.
2. Decomposition of CacO into CaOn and CO:o, AH = 178 k)
Grarde-12 Chemistry Chuanters
Transcribed Image Text:ACTIVITY: 1. Write the thermochemical equation of one mole af nitrogen gas, N; reacts with oxygen gas, 02, two moles of nitric oxide is formed. In the process, 180.5 k of heat is required. 2. Decomposition of CacO into CaOn and CO:o, AH = 178 k) Grarde-12 Chemistry Chuanters
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