3. How many calories must you add to raise the temperature of 50 grams of water by 2 degrees C? 4. When water freezes ex

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3. How many calories must you add to raise the temperature of 50 grams of water by 2 degrees C? 4. When water freezes ex

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3 How Many Calories Must You Add To Raise The Temperature Of 50 Grams Of Water By 2 Degrees C 4 When Water Freezes Ex 1
3 How Many Calories Must You Add To Raise The Temperature Of 50 Grams Of Water By 2 Degrees C 4 When Water Freezes Ex 1 (11.92 KiB) Viewed 18 times
3. How many calories must you add to raise the temperature of 50 grams of water by 2 degrees C? 4. When water freezes explain what happens to the surrounding air? 5. Place 1 kg of 20 degree C iron into 1 kg of 40 degree C water. Is the final temperature more than 30 degrees C, less than 30 degrees C or exactly 30 degre C? Explain why? 6. In a mixture of hydrogen gas, oxygen gas and nitrogen gas, which molecules have the greatest average speed? Explain why.
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