g What is a calorie? Select one: A. The amount of energy required to raise 1.0 gram of water 1.0 degree Fahrenheit B. The amount of energy required to raise 1.0 Kilogram of water 1.0 degree Celsius C. The amount of energy required to raise 1.0 gram of water 1.0 degree Celsius D. The amount of energy required to raise 1.0 ounce of water 1.0 degree Celsius

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c. heat could easily travel through the molecules in the air and escape/enter the flask. removing the air slows down the heat transfer.  

solute : a solute is a substance that is dissolved in another substance is known as a solvent. it is mixed with a special mixture know as homogeneous mixture.

solvent: a solvent is a substance that dissolved a solute, which results in a solution is known as solvent.