1. The energy required to boil a liquid is much larger than the energy required

Question

1. The energy required to boil a liquid is much larger than the energy required to melt a solid. Why does it take so much more energy to boil a liquid than to melt a solid?

2. Outback’s Blooming Onion appetizer contains 160 g fat, 117 g carbohydrates and 18 g protein. How many kcal are in this appetizer?

3.The large size of Coldstone Creamery’s Peanut Butter and Chocolate Shake contains 2,010 kcal.

4. If you burn 250.0 kcal per hour walking, how many hours would you have to walk to burn all the kcal?

5. If you burn 750.0 kcal per hour running, how many hours would you have to run to burn all the kcal?

Explanation / Answer

Q1.

Vapor molecules are much appart from each other than liquid molecules.

The state of Vapor/gas is much more chaotic, requires hectic and fast movement of particles, that is, kinetic energy which is provided by heat

For the other hand, liquids are much slower, they will not be that chatoic, therefore, no that high energy state.

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