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polet [3.4K]
4 years ago
14

Definition of chemistry

Chemistry
1 answer:
Ghella [55]4 years ago
3 0
A science that deals with the composition, structure, and properties of substances and with the transformations that they undergo
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Describe the composition of the nucleus of an atom.
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the answer is b it is composed of protons and neutrons.

hope this helped

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3 years ago
The standard Gibbs energy of reaction, ÄG°, for the dissociation of phenol is 56.4 kJ mol-1 at 298 K. Calculate the pKa of pheno
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A is the answer to this question
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What happens if energy is added to an energy? what happens if energy is lost in an energy level?
irakobra [83]

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Please mark me as Brainliest

5 0
3 years ago
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What's wrong with this thermochemical equation?
mafiozo [28]

This thermochemical equation needs to be balanced. Hence, option B is correct.

<h3>What is a balanced chemical equation?</h3>

A balanced equation contains the same number of each type of atom on both the left and right sides of the reaction arrow.

The balanced thermochemical equation is:

H_2(g) + 2NaCl (s) + 3O_2 (g) → 2HCl (l) + 2Na (s) + 2O_3 (g)

Hence, option B is correct.

Learn more about the balanced chemical equation here:

brainly.com/question/8062886

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7 0
2 years ago
What is the initial temperature of a gas if the volume changed from 1.00 l to 1.10 l and the final temperature was determined to
Feliz [49]
Using charles law
v1/t1=v2/t2
v1=1l
v2=1.1l
t2=255+273=528
t1=?
1/t1=1.1/528   
cross multiply
1.1t1=528 divide both sides by 1.1
t1=528/1.1
t1=480k or 207celcius
5 0
4 years ago
Read 2 more answers
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