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pentagon [3]
3 years ago
6

Im sooooooooooooooooooooooooo cufused on science

Chemistry
1 answer:
Elena-2011 [213]3 years ago
6 0

Answer:

What do you need please to understand?

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The density of silver is 10.5 g/cm3. A piece of silver that occupies a volume of 42.5 cm3 would have a mass of ________ g.
tia_tia [17]
M=D*V
D=10.5 g/cm³
V=42.5 cm³
m= 10.5 g/cm³ * 42.5 cm³ ≈ 446 g
m≈446 g
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3 years ago
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The molecules of solid CO2 are much closer together than the molecules of CO2 gas.

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Hatshy [7]

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The following equation is balanced correctly. 4C2H6 + 7O2 --&gt; 6H2O + 4CO2<br> True <br> False
Ostrovityanka [42]

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