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lawyer [7]
3 years ago
15

Can someone pls help, I’m sorry if it’s a lot

Chemistry
1 answer:
Helga [31]3 years ago
3 0
Answer: 2738


Explaining: you gotta add
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If an ice cube is placed in a sealed container and heated until it becomes steam, what will happen to the mass of the ice?
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The mass will decrease because it is an gas.
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According to the ideal gas law, increasing the volume of a closed reaction container decreases the thermal energy because the
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A lead sphere has a mass of 1.20 x 104 g, and its volume is 1.05 x 103 cm^3. Calculate the density of lead.
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Answer: The density of lead will be 11.42g/cm^3

Explanation:

Density is defined as the mass contained per unit volume.

Density=\frac{mass}{Volume}

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Volume of lead =1.05\times 10^3cm^3

Putting in the values we get:

Density=\frac{1.20\times 10^4}{1.05\times 10^3}=11.42g/cm^3

Thus density of lead will be 11.42g/cm^3

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331.2 g/molExplanation:

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