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CaHeK987 [17]
3 years ago
14

Matter is neither created nor destroyed in a chemical reaction

Chemistry
1 answer:
olga_2 [115]3 years ago
8 0
This is true according to the Law of Conservation of Mass.

Hope this helps! :)
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What is the molarity of 5.63 moles of lithium in 3.25 liters of solution
luda_lava [24]

Answer:

1.73 Molar

Explanation:

The formula is Molarity=moles of solute/liters of solution, which can be written in whatever way you prefer, and examples include: M=N/V or M=mol/L.

M=N/V

M= \frac{5.63}{3.25}

Divide 5.63 by 3.25. When you calculate this, you get 1.73, therefore your answer is 1.73 molar.

5 0
3 years ago
Why do you think different liquids have different freezing points
Ganezh [65]
I think that different liquids have different freezing points because every liquid consists of different atoms and different things that make up the atom causing them to have different freezing points.
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An electron in a sodium atom gains enough energy to move from the second shell to the third shell. The sodium atom becomes:
Helen [10]

Answer;

-(3) an atom in an excited state

Explanation;

-An electron in a sodium atom gains enough energy to move from the second shell to the third shell. The sodium atom becomes an atom in an excited state.

-Ground state is the lowest allowable energy state of an atom. When electrons are subjected to stimuli like heat, light or electricity an electron may jump to a higher energy level, which is the excited state. Excitation is the elevation in energy level above the baseline energy state.

3 0
3 years ago
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Which of these activities performed by a chemist is primarily based on an understanding of physics?
Ilia_Sergeevich [38]
<span>predicting the boiling point of a liquid, given its pressure</span>
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1. The chemical symbol for sodium is
soldier1979 [14.2K]
Na is the symbol for sodium.
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