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inessss [21]
3 years ago
6

Explain the Law of Conservation of Mass in terms of the atoms and bonds in a chemical reaction.

Chemistry
1 answer:
nasty-shy [4]3 years ago
8 0

Answer:

no matter is destroyed or created, it merely changes form. In terms of atoms and bonds, there will be the same amount of atoms at the beginning of an experiment as the amount of atoms at the end of experiment. All that will have happened, is that during the reaction, bonds will have been broken and formed making new compounds. However, the amount of atoms remains exactly the same because matter can not be created or destroyed

Hope this helps!

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nika2105 [10]

43.8 has 3 significant figures and 1 decimal.

<h3 /><h3>What are significant figures?</h3>

The term significant figures refer to the number of important single digits (0 through 9 inclusive) in the coefficient of an expression in scientific notation.

All zeros that occur between any two non-zero digits are significant. For example, 108.0097 contains seven significant digits. All zeros that are on the right of a decimal point and also to the left of a non-zero digit are never significant. For example, 0.00798 contained three significant digits.

Hence, 43.8 has 3 significant figures and 1 decimal.

Learn more about significant figures here:

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8 0
2 years ago
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Masja [62]
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3 years ago
Read 2 more answers
What happens when energy is removed from liquid water
mariarad [96]

Answer:

When energy is removed in liquid water then it will solidify since heat is given off by the system to its surrounding. It is an exothermic process where the enthalpy decreases since heat is taken off. So liquid water becomes ice in an exothermic process.

Explanation:

8 0
3 years ago
"moves as a current" is it conduction radiation or convection"
Cloud [144]
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4. What is the percent by mass of tungsten in the calcium tungstate compound CaWO3, commonly
MA_775_DIABLO [31]

Answer: 67.4%

Explanation:

Ca 40.8

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O. 16.00

CaWO3 272.6

W = 183.8/272.6 = 0.674

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3 years ago
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