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Assoli18 [71]
3 years ago
8

What does it regulate? One sentence will help!

Chemistry
1 answer:
Mandarinka [93]3 years ago
7 0
<span>a regultate is to control or direct by a rule, principle, or method.</span>
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Having energy in the reactant lead to an exothermic reaction.<br>true<br>false​
Ostrovityanka [42]

Answer:

false

Explanation:

first of all;-energy lead to an indotermic reaction.

indotermic is a reaction that absorbs energy \

*it has positive enthalpy of reaction

*Heat content of product is greater than that of reactant

*Heat is added to reactant side

example;- CO^2+2H^2+891kj --------- CH4 +2O2

6 0
2 years ago
5. Can you determine the number of neutrons in the nucleus of an atom by looking at the element's average atomic mass and the at
Shkiper50 [21]

Answer:

No you can't

Explanation:

The atomic number is the amount of protons in element's nucleus, that's one reason why. The second reason is that the atomic mass is protons and neutrons combined, their estimated value, which doesn't show how much neutrons are in an element. It does show combined, but not specifically neutrons

7 0
2 years ago
The descriptions below explain two ways that water is used by plants on a sunny day. I. In a process called transpiration, some
eduard
The correct answer for this question is this one: "<span>In transpiration, because some of its properties change, water undergoes a physical change but keeps its identity. In photosynthesis, because its identity changes, water undergoes a chemical change</span>. "
Hope this helps answer your question and have a nice day ahead.
8 0
3 years ago
Read 2 more answers
What is the mass number of an ion with 107 electrons, 158 neutrons, and a 1 charge?
vredina [299]
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6 0
3 years ago
Select the correct answer.
kondor19780726 [428]

ANSWER: C gases

it has no definite volume and shape and also expands to fill the available volume of the container.

3 0
3 years ago
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