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Anika [276]
3 years ago
11

What occurs when a molecule combines with Oxygen and produces heat?

Chemistry
2 answers:
Sergio [31]3 years ago
7 0
The answer is D : )))
Alenkinab [10]3 years ago
4 0

Answer:

<h3>D. it combusts</h3>

Explanation:

Combustion is when fuel reacts with oxygen to release heat energy. Combustion can be slow or fast depending on the amount of oxygen available. Combustion that results in a flame is very fast and is called burning. Combustion can only occur between gases.

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D. Two reactants combine to form a single ew product.

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3 years ago
What is meant by saying that the latent heat of vaporization of water is 22. 5×10^5 j/kg.
andrey2020 [161]

It means that 22.5×10^5 J of heat is required to change 1 kg of water into steam.

Latent heat of vaporization is amount of energy required to change 1 gram (in this example 1 kilogram) of material from the liquid to the gaseous state at its boiling point.

Boiling point of the water is 100°C.

Joule (J) is the standard unit for energy (in this example heat).

Evaporization is phase change process in which the water changes from a liquid to a gas (water vapor). Fore example, solar radiation can be the source of energy for evaporation.

More about heat of vaporization: brainly.com/question/14679329

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5 0
2 years ago
Spaghetti sauce can be high in sodium. what is a good guideline for mg of sodium per half cup serving?
lorasvet [3.4K]
The answer is 2300 mg which is equal to one teaspoon of salt
5 0
3 years ago
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How is a baby duck’s instinct for protection different that a porcupine’s instinct to protect itself?
GaryK [48]

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4 0
4 years ago
Compare and contrast atomic<br> number and atomic mass
schepotkina [342]

Answer:

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Explanation:

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