devenybates
28.07.2019 •
Chemistry
How much heat is required to change the temperature of a 15 g aluminum can with 100 g of water from 24.5°c to 55°c?
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Ответ:
While heat capacity of water = 4.186 J/g°C
Heat = heat gained by water + heat gained by aluminium
Heat gained by water = 100 × 4.186 × 30.5
= 12767.3 Joules
Heat gained by aluminium = 15 × 0.9 × 30.5
= 411.75 Joules
Heat required = 13179.05 Joules or 13.179 kJoules
Ответ:
Carter left matters uncertain because he didn't clearly answer his questions and he failed to provide context to rebut against Reagan. However Reagan supported all of his arguments with clear information.
Explanation: Carter left matters uncertain because he didn't clearly answer his questions and he failed to provide context to rebut against Reagan. However Reagan supported all of his arguments with clear information.