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Energy Energy and Heat

Heat Energy Calculations

States of Matter

• The ability to do work

I-100

Answer.

I-200

• That energy attributed to a particle in motion

Answer.

I-300

• The energy often referred to as stored energy

Answer.

I-400

• The unit of energy

Answer.

I-500

• The statement that energy is conserved in any reaction

Answer.

II-100

• A chemical reaction that absorbs energy and feels cold

Answer.

II-200

• A chemical reaction that releases energy

Answer.

II-300

• The constant used to calculate heat required to boil a substance

Answer.

II-400

• The unit that is used for measuring the amount of energy in food

Answer.

II-500

• The sum of total kinetic energy that is transferred between two objects

Answer.

III-100

• In the formula SH = q / (m x ∆T), what SH stands for

Answer.

III-200

• When heat is absorbed

Answer.

III-300

• The amount of energy needed to raise the temperature of one gram of substance one degree Celsius

Answer.

III-400

• The value in J/g˚C for the specific heat of water

Answer.

III-500

• When heat is released

Answer.

IV-100

• The amount of energy gained by 24 mL of water when the temperature of the water changes from 25˚C to 53˚C

Answer.

IV-200

• The specific heat of 248 grams of a metal which absorbs 2.9kJ of energy and undergoes a 35˚C change in temperature

Answer.

IV-300

• The amount of heat 190 grams of sodium absorbs as it melts at 98˚C

Answer.

IV-400

• The mass of a piece of copper at 86˚C which is placed in 50g water at 16˚C, the final temperature of the metal and water is 24˚C

Answer.

IV-500

• The heat required to convert 10.0 grams of mercury at -139˚C to 39˚C

Answer.

V-100

• Not easily compressible and little free space between particles

Answer.

V-200

• The process by which a liquid becomes a solid

Answer.

V-300

• Retains a fixed volume and shape; rigid; particles locked into place

Answer.

V-400

• The process by which a gas becomes a liquid

Answer.

V-500

• Assumes the shape and volume of its container; Easily compressed

Answer.

I-100 A

• What is energy?

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I-200 A

• What is kinetic energy?

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I-300 A

• What is potential energy?

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I-400 A

• What is an joule or calorie?

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I-500 A

• What is the law of conservation of energy?

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II-100 A

• What is endothermic?

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II-200 A

• What is exothermic?

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II-300 A

• What is the heat of vaporization?

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II-400 A

• What is Calories?

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II-500 A

• What is heat?

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III-100 A

• What is specific heat?

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III-200 A

• What causes a positive q value?

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III-300 A

• What is a specific heat?

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III-400 A

• What is a 4.184 J/g˚C?

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III-500 A

• What causes a negative q value?

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IV-100 A

• What is 2811J?

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IV-200 A

• What is .334J/g˚C?

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IV-300 A

• What is 21470J?

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IV-400 A

• What is 70g?

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IV-500 A

• What is 310J?

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V-100 A

• What is a liquid?

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V-200 A

• What is freezing?

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V-300 A

• What is a solid?

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V-400 A

• What is condensing?

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V-500 A

• What is a gas?

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