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KATRIN_1 [288]
3 years ago
8

What is the total amount of kinetic and potential energy of a substance?

Chemistry
1 answer:
Serhud [2]3 years ago
7 0

Answer:

I <em><u>THINK mechanical energy</u></em>

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If 5.1 l of antifreeze solution (specific gravity = 0.80) is added to 3.8 l of water to make a 8.9 l mixture, what is the specif
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Density of the mixture = mass of the mixture / volume of the mixture

Mass of the mixture = mass of antifreeze solution + mass of water.

Mass of antifreeze solution = density of the antifreeze solution * volume

Mass of antifreeze solution = 0.8g/ml * 5.1 l * 1000 ml / l = 4,080 g

Mass of water = density of water * volume of water = 1.0 g/ml * 3.8 l * 1000 ml / l = 3,800 g

Mass of mixture = 4080 g + 3800 g= 7880 g

Volume of mixture = volume of antifreeze solution + volume of water

Volume of mixture = 5100 ml + 3800 ml = 8900 ml

Density of mixture = 7800 g / 8900 ml = 0.876 g/ml

Specific gravity of the mixture = density of the mixture / density of water = 0.876

Answer: 0.876
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Answer:

the answer is A

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3 years ago
what is the chemical equation in words for 2 C2H2 (g) + 5 O2 (g) ---------&gt; 4 CO2 (g) + 2 H2O (l )
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