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Alexus [3.1K]
3 years ago
13

Heat, like work, is an energy transfer measured in a. watts. b. degrees. c. joules. d. Kelvins.

Chemistry
2 answers:
Vesna [10]3 years ago
8 0

Answer:

Joules

Explanation:

Hope I could help

Vesna [10]3 years ago
6 0
The answer is A watts

Glad I could help
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Which statement explains the energy term in this reaction
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Answer:

Mass is lost due to the conversion of mass to energy

Explanation:

The question is not complete, the complete question is given as:

        ^{235}_{72}U +^{1}_{0}n                       ⇒        ^{140}_{56}Ba+^{93}_{36}Kr+3^{1}_{0}n+energy

total mass equals 236.053 u              total mass equals 235.868 u

Which statement explains the energy term in this reaction? (1) Mass is gained due to the conversion of mass to energy. (2) Mass is gained due to the conversion of energy to mass. (3) Mass is lost due to the conversion of mass to energy. (4) Mass is lost due to the conversion of energy to mass.

Answer: From Einstein’s equation  E = mc², when a radioisotope element undergoes fission or fusion in a nuclear reaction, it loses a tiny amount of mass.This mass lost is converted to energy.

The law of conservation of energy  holds for this type of reaction (i.e  the sum of mass and energy is remains the same in a nuclear reaction). Mass changes to energy, but the total amount of mass and energy combined remains the same before and after a nuclear reaction.

From the reaction above, the total decrease in mass = 236.053 - 235.868 = 0.185 u

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2 years ago
Period 4 of this periodic table is highlighted. What happens as you move from right to left across the period?
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The elements change from metals to nonmetals.
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How is electromagnetic energy fromthe microwave transformed into heat energy
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Answer:


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Second, the hot water molecules transmit heat by conduction to the other parts of the food.


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4) The microwaves transmit energy to the water molecules in the food, by increasing the kinetic energy of water molecules. As result, the water molecules get hotter. Microwaves only penetrate about 1 cm inside the food (a potato for example) and from that the heat is transferred by conduction to the inner parts of the food.

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