How Much Heat Is Necessary to Change 30 G of Water

question 41

Multiple Choice

How much heat is necessary to change 30 g of water at 40°C into steam at 100°C?

• A) 0.18 kcal
• B) 1.8 kcal
• C) 18 kcal
• D) 2.04 kcal

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Definitions:

Absorption

The process by which substances are taken up and incorporated into the body, as in nutrient absorption in the digestive tract.

Distribution

The process by which goods, services, or resources are delivered or spread over an area or among a population.

Metabolism

The chemical processes that occur within a living organism to maintain life, involving the conversion of food to energy and new materials.

Excretion

The process by which the body removes waste products of metabolism and other non-useful materials.