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nalin [4]
3 years ago
14

What shows the substance at the highest temperature?

Chemistry
2 answers:
Tcecarenko [31]3 years ago
6 0

Answer:

needs more information

Explanation:

Nataliya [291]3 years ago
5 0

      We need more information (like picture options / etc), but a substance at it's highest temperature will have the most movement in it's molecules. Depending on the substance, it may be in a gas or plasma form (free moving molecules).

      Hope this helps, have a nice day! :D

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Someone please help i don’t have much time left
REY [17]

Answer: Energy of reactants = 30, Energy of products = 10

Exothermic

Activation energy for forward reaction is 10.

Explanation:

Exothermic reactions are defined as the reactions in which energy of the product is lesser than the energy of the reactants. The total energy is released in the form of heat and \Delta H for the reaction comes out to be negative.

Energy of reactants = 30

Energy of products = 10

Thus as energy of the product < energy of the reactant, the reaction is exothermic.

Activation energy (E_a) is the extra energy that must be supplied to reactants in order to cross the energy barrier and thus convert to products.

E_a for forward reaction is (40-30) = 10.

6 0
3 years ago
Explain why gases condense when they are cooled
Sindrei [870]
We can explain this in a molecular level. We know that the difference between a gas and a liquid of the same composition is how fast their molecules are moving. So given a gas, their molecules are farther and faster when moving, but when they are cooled their bulk kinetic energy decreases. In other words their molecules start to move closer and move slower until it behaves more like a liquid molecule. This is the time when gases condense. 
4 0
3 years ago
Read 2 more answers
Explain how the mass of a single atom in an element (in amu), the mass of one mole of that element, and Avogadro’s number are re
Eva8 [605]

Answer: For 1 mole of a single atom it is equal to its molar mass. And a single atom, 1 mole is equal to the Avogadro's Number.

Explanation: The relationship can be expressed through the following:

1 mole = molar mass of an atom/ compound

1 atom x 1 mole / 6.022x10^23  atoms

4 0
3 years ago
Which subatomic particle is not found at the center of the atom?
Snezhnost [94]
The answer is nucleus
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3 years ago
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!!!HELP ASAP!!! Which of the following is an example of a chemical change?
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C. A solid dissolving
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