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satela [25.4K]
3 years ago
8

What volume of mercury (density = 13.6 g/ml) will 0.23 grams occupy?

Chemistry
1 answer:
gavmur [86]3 years ago
5 0

Answer:

3.13

Explanation:

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What happens to air pressure as altitude increases
gulaghasi [49]

Answer:

the air pressure decreases

explanation

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4 0
3 years ago
Find [H+] of a 0.056 M hydrofluoric acid solution. Ka = 1.45 x 10-7
brilliants [131]

Answer:  [H^+] of 0.056 M HF solution is 8.96\times 10^{-5}

Explanation:

HF\rightarrow H^+F^-

 cM              0             0

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So dissociation constant will be:

K_a=\frac{(c\alpha)^{2}}{c-c\alpha}

Give c= 0.056 M and \alpha = ?

K_a=1.45\times 10^{-7}

Putting in the values we get:

1.45\times 10^{-7}=\frac{(0.056\times \alpha)^2}{(0.056-0.056\times \alpha)}

(\alpha)=0.0016

[H^+]=c\times \alpha

[H^+]=0.056\times 0.0016=8.96\times 10^{-5}  

Thus [H^+] of 0.056 M HF solution is 8.96\times 10^{-5}

8 0
3 years ago
What is the electron configuration of aluminum?
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8 0
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A type of reaction that occurs when oxygen combines with iron to form rust
fiasKO [112]
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At what temperature scale Fahrenheit shows double than Kelvin scale​
sergij07 [2.7K]

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Originally Answered: At what temperature does the Kelvin scale read double the Fahrenheit reading? -24.6 degrees C = -12.3 degrees F.

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