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LekaFEV [45]
3 years ago
10

A person aims for a target with a wooden bow and arrow. The image shows the path of the

Chemistry
1 answer:
Norma-Jean [14]3 years ago
5 0

Answer:

What’s the answer

Explanation:

I neeeddsdd

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A mixture of 14.0 grams of H2, 84.0 grams of N2, and 64.0 grams of O2 are placed in a flask. The partial pressure of the O2 is 7
Hitman42 [59]

Answer:

P_{tot}=465.27torr

Explanation:

Hello there!

In this case, according to the given information, it will be possible for us to use the Dalton's law, in order to solve this problem. However, we first need to calculate the mole fraction of oxygen by firstly calculating the moles of each gas:

n_{H_2}=\frac{14.0g}{2.02g/mol} =6.93mol\\\\n_{N_2}=\frac{84.0g}{28.02g/mol}=3.00mol\\\\n_{O_2}=\frac{64.0}{16.00g/mol}  =2.00mol

Next, we calculate such mole fraction as follows:

x_{O_2}=\frac{2}{6.93+3+2} =0.168

Then, given the following equation:

P_{O_2}=P_{tot}*x_{O_2}

So we solve for the total pressure as follows:

P_{tot}=\frac{P_{O_2}}{x_{O_2}} \\\\P_{tot}=\frac{78.00torr}{0.168} \\\\P_{tot}=465.27torr

Regards!

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3 years ago
Melting of gold to a new earring is which change.
nata0808 [166]
Answer is Chemical change
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What is your favorite color
Snezhnost [94]

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Which one of these situations would have higher density water? Water with a lower salt content Water at the equator Water near w
Nady [450]

Explanation:

water near where a river enters the ocean is having a higher density.

coz, ocean water has salt which increases water's density

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Are points A, B, and C collinear? How do you know?
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