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What is the final temperature of a system that contains 10.00 g of H2O, initially at 25.0 °C, that experienced an exothermic reaction releasing a total of 30.0 cal of heat? The specific heat of water is 1.00 cal/g.ºC. If the reaction that occurred is the neutralization of HCI and NaOH, a reaction that releases approximately 14 cal/mol of HCI, how many grams of HCI must have been present?

What is the final temperature of a system that contains 10.00 g of H2O, initially at 25.0 °C, that experienced an exothermic reaction releasing a total of 30.0 cal of heat? The specific heat of water is 1.00 cal/g.ºC. If the reaction that occurred is the neutralization of HCI and NaOH, a reaction that releases approximately 14 cal/mol of HCI, how many grams of HCI must have been present?

Chemistry by OpenStax (2015-05-04)
Chemistry by OpenStax (2015-05-04)
1st Edition
ISBN:9781938168390
Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Publisher:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Chapter5: Thermochemistry
Section: Chapter Questions
Problem 19E: How much will the temperature of a cup (180 g) of coffee at 95 C be reduced when a 45 g silver spoon...
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What is the final temperature of a system that contains 10.00 g of H2O, initially at 25.0 °C, that experienced an exothermic reaction releasing a total of 30.0 cal of heat? The specific heat of water is 1.00 cal/g.ºC. If the reaction that occurred is the neutralization of HCI and NaOH, a reaction that releases approximately 14 cal/mol of HCI, how many grams of HCI must have been present?
Transcribed Image Text:What is the final temperature of a system that contains 10.00 g of H2O, initially at 25.0 °C, that experienced an exothermic reaction releasing a total of 30.0 cal of heat? The specific heat of water is 1.00 cal/g.ºC. If the reaction that occurred is the neutralization of HCI and NaOH, a reaction that releases approximately 14 cal/mol of HCI, how many grams of HCI must have been present?
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