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77julia77 [94]
3 years ago
5

A book has a mass of 2.2 kilograms. what is the weight on earth?

Chemistry
1 answer:
lana66690 [7]3 years ago
6 0
<span>the answer is 21.56 N

hoped it helped !
</span>
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5.00 of a certain Compound X, known to be made of carbon, hydrogen and perhaps oxygen, and to have a molecular molar mass of 128
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Answer:C10H10

Explanation:

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2 years ago
Two containers, one with a volume of 3.0 L and the other with a volume of 2.0 L contain, respectively, argon gas at 1.1 atm and
aalyn [17]

Answer:

a. p_T=0.93atm.

b.

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c.

x_{Ar}=0.6875\\\\x_{He}=0.3125

Explanation:

Hello,

In this case, considering that the valve is opened, we can use the Boyle's law in order to compute the final pressure of argon by considering its initial pressure and volume and a final volume of 5.0 L:

p_{Ar}=\frac{1.1atm*3.0L}{5.0L}=0.66atm

And the final pressure of helium:

p_{He}=\frac{0.75atm*2.0L}{5.0L}=0.3atm

Which actually are the partial pressure of both of them, it means that the total pressure is:

Finally, the mole fraction of each gas is computed by considering the Dalton's law:

x_i=\frac{p_i}{p_T}

x_{Ar}=\frac{0.66atm}{0.93atm} =0.6875\\\\x_{He}=\frac{0.3atm}{0.93atm} =0.3125

Best regards.

6 0
3 years ago
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omeli [17]

Answer:

6CO2 + 6H2O → C6H12O6 + 6O2 is a balanced equation

Explanation:

Carbon, Oxygen, Hydrogen

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Dynamic Equilibrium I have no idea about (soz)

I believe this might be endothermic

4 0
2 years ago
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