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Joules were added?

Joules were added?

Chemistry for Engineering Students
Chemistry for Engineering Students
4th Edition
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter9: Energy And Chemistry
Section: Chapter Questions
Problem 9.85PAE: 9.85 The figure below shows a "self-cooling" beverage can. The can is equipped with an outer jacket...
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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
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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