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Harlamova29_29 [7]
2 years ago
7

What is the scientific definition of heat​

Chemistry
1 answer:
Usimov [2.4K]2 years ago
4 0

Answer:

Most of us use the word 'heat' to mean something that feels warm, but science defines heat as the flow of energy from a warm object to a cooler object.

Explanation:

Heat energy is the result of the movement of tiny particles called atoms, molecules or ions in solids, liquids and gases.

At a molecular level, heat is the transfer of energy that makes use of or stimulates disorderly molecular motion in the surroundings.

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The following reaction is part of the electron transport chain. Complete the reaction and identify which species is reduced. The
Olegator [25]

Answer:

FADH_2 + Q --> FAD + QH_2

The reactant that is reduced is FADH_2

Explanation:

The complete equation is as below:

FADH_2 + Q --> FAD + QH_2

<em>Recall that oxidation involves the gain of electrons while reduction involves the loss of electrons.</em>

In the above reaction, FADH_2 loses electrons to coenzyme Q and becomes reduced to FAD, hence the oxidizing agent. Coenzyme Q gains electrons and becomes oxidized to QH_2 , hence the reducing agent.

<u>In order words, </u>FADH_2<u> is reduced while coenzyme Q is oxidized.</u>

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3 years ago
PLEASE HELP!!!! <br>it would mean alot ! ​
statuscvo [17]

Answer:

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Explanation:

6 0
3 years ago
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The standard molar enthalpy of formation of NH3(g) is -45.9 kJ/mol. What is the enthalpy change if 9.51 g N 2(g) and 1.96 g H2(g
pogonyaev

Answer:

a. -29.8 kJ/mol-rxn

Explanation:

For a chemical reaction system the forward and reverse rate are equal. The standard molar enthalpy formation of NH3 is -45.9 kJ/mol. For the enthalpy of NH3 (8) the molar enthalpy is -29.8kJ/mol. The molar mass of N2 = 28.02g/mol. Molar enthalpy of formation is standard amount of substance produced in the formation of a reaction. The molar enthalpy is the change in enthalpy due to reaction per mole.

6 0
3 years ago
The temperature of a substance can be described as:
inn [45]

Answer:

A

Explanation:

the average kinetic energy of all the atoms or molecules of that substance.

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