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ZanzabumX [31]
3 years ago
11

What does mass measure?

Chemistry
2 answers:
Ahat [919]3 years ago
8 0
Mass is the amour of weight and or matter in an object or person
Rufina [12.5K]3 years ago
7 0
Mass<span> is the amount of matter in an object. Move to a different planet and an object's weight will change, but its </span>mass<span> will be the same. </span>
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What is the basic difference between exergonic and endergonic reactions? Group of answer choices Exergonic reactions release ene
alekssr [168]

Answer: the basic difference is Exergonic reactions release energy and an endergonic reactions absorb energy .

HOPE THIS HELPS!!!

3 0
3 years ago
PLEASE ANSWER!!! I WILL GIVE POINTS AND BRAINLIEST IF YOU ANSWER CORRECTLY!!! PLEASE DO IT BECAUSE ITS DUE TODAY!!!
ipn [44]

Answer:

7 sublimation

8 freezing

9 melting

10 condensation

11 evaporation

Explanation:

4 0
2 years ago
What is the enthalpy of combustion (per mole) of C4H10 (g)? 
Artemon [7]
The balanced chemical reaction for the complete combustion of C4H10 is shown below:

                    C4H10 + (3/2)O2 --> 4CO2 + 5H2O

The enthalpy of formation are listed below:
          C4H10: -2876.9 kJ/mol
              O2:   none (because it is pure substance)
             CO2: -393.5 kJ/mol
             H2O: -285.8 kJ/mol

The enthalpy of combustion is computed by subtracting the total enthalpy formation of the reactants from that of the products.

               ΔHc = (4)(-393.5 kJ/mol) + (5)(-285.8 kJ/mol) - (-2876.9 kJ/mol)
                       = -<em>126.1 kJ</em>

Thus, the enthalpy of combustion of the carbon is -126.1 kJ. 
5 0
3 years ago
Read 2 more answers
Why is peer review an important part of the scientific process?
BigorU [14]

I would say B.

Explanation: Peer review improves the quality of research papers.

3 0
3 years ago
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Which of the following is a pure substance? A. Air B. carbon dioxide C. soda D. salt water
uysha [10]
B- Carbon dioxide, every other option listed is composed of more than one thing.
4 0
3 years ago
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