Which of the following would require the greatest number of calories?
1. Heating 1 g of water from 10◦C to 80◦C
2. Heating 10 g of water from 10◦C to 40◦C
3. Heating 1000 g of water from 10◦C to 12◦C
4. Heating 100 g of water from 10◦C to 50◦C

Calories is a unit of energy. Note that energy is required to increase the temperature of a body. Now the heat required is given by H = mcdT.

The greater the mass and the higher the temperature range, the higher the calories required hence, the highest calories is required to heat 100 g of water from 10◦C to 50◦C.

Learn more about calories: https://brainly.com/question/9496279

Which of the following would require the greatest number of calories? 1. Heating 1 g of water from 10◦C to 80◦C 2. Heating 10 g of water from 10◦C to 40◦C 3. Heating 1000 g of water from 10◦C to 12◦C 4. Heating 100 g of water from 10◦C to 50◦C

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What is calories?

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Which of the following would require the greatest number of calories?
1. Heating 1 g of water from 10◦C to 80◦C
2. Heating 10 g of water from 10◦C to 40◦C
3. Heating 1000 g of water from 10◦C to 12◦C
4. Heating 100 g of water from 10◦C to 50◦C