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Maslowich
3 years ago
11

What characteristics determine how easily two substances change temperature? Check all that apply.

Chemistry
1 answer:
Vinil7 [7]3 years ago
4 0

amount of time the two substances are in contact. area in contact between the two substances. specific heat of the material that makes up the substances. the density of the two substances in contact.

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What is the mass percent of oxygen in sodium bicarbonate (NaHCO3)?
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First we need to calculate molar mass of <span>NaHCO3. Molar mass is mass of 1 mole of a substance. It is the sum of relative atomic masses, which are masses of atoms of the elements.

Relative atomic mass of Na is 22.99 g
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