75kcal= 345 x [ KJ=1150,6KJこw D150.16- 526KJ =624.6 kJ 1150.6KJ 4. An evaporating dish containing solid iodine is left uncovered on a lab bench. The iodine sublimes, absorbing 884 kJ of heat from the surroundings. a. Is this reaction endothermic or exothermic? b. Calculate AH for this reaction.

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An evaporating dish containing solid iodine is left uncovered on a lab bench. The iodine sublimed, absorbing 884kJ of heat from the surroundings. 
A.) Is this reaction endothermic or exothermic? 
B.) Calculate H for this reaction. 

75kcal= 345 x [ KJ=1150,6KJこw
D150.16- 526KJ =624.6 kJ
1150.6KJ
4. An evaporating dish containing solid iodine is left uncovered on a lab bench. The iodine
sublimes, absorbing 884 kJ of heat from the surroundings.
a. Is this reaction endothermic or exothermic?
b. Calculate AH for this reaction.
Transcribed Image Text:75kcal= 345 x [ KJ=1150,6KJこw D150.16- 526KJ =624.6 kJ 1150.6KJ 4. An evaporating dish containing solid iodine is left uncovered on a lab bench. The iodine sublimes, absorbing 884 kJ of heat from the surroundings. a. Is this reaction endothermic or exothermic? b. Calculate AH for this reaction.
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