Joules were added?

Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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2. 677 grams of ethanol (2.57 J/g°C) starts at a temperature of 2°C. If energy is added to raise its
temperature to 71°C, how many Joules were added?
Note: 1 kilogram = 1000 grams
1 Calorie = 1 kcal = 1000 calories
oF to °C: [ (T-32) x 5 ]-9
3. A nail made of iron (c=0.45 J/g°C) has 34,500 Joules added to it. If the nail's temperature goes from
11 C to 892 C, what is the mass of the nail?
4 A box of Penguin Flakes8 CerealTM has 540 Calories. If all of these calories are used to heat up a
bathub of water (c 1.00 cal/g C) by 10.0°C, how many kilograms of water are in the bathtub?
0.054 kilograms of watt in the bathtub
Transcribed Image Text:Last edit.. dit View Insert Format Tools Add-ons Help Accessibility + B I UA 100% - Normal text Arial 11 GD 2. 677 grams of ethanol (2.57 J/g°C) starts at a temperature of 2°C. If energy is added to raise its temperature to 71°C, how many Joules were added? Note: 1 kilogram = 1000 grams 1 Calorie = 1 kcal = 1000 calories oF to °C: [ (T-32) x 5 ]-9 3. A nail made of iron (c=0.45 J/g°C) has 34,500 Joules added to it. If the nail's temperature goes from 11 C to 892 C, what is the mass of the nail? 4 A box of Penguin Flakes8 CerealTM has 540 Calories. If all of these calories are used to heat up a bathub of water (c 1.00 cal/g C) by 10.0°C, how many kilograms of water are in the bathtub? 0.054 kilograms of watt in the bathtub
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