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3 years ago

How does acid precipitation change rock over time?

Chemistry

1 answer:

Veronika [31]3 years ago

4 0

It weathers it down until it is nothing but sediment in a river , lake or ocean

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In a mixture of 2 ideal gases, A and B, PA = 0.2PB, what is the mole fraction of A?

Alborosie

Answer:

0.1667

Explanation:

Hello,

Dalton's law defines:

$y_i=\frac{P_i}{P_T}$

A total pressure is:

$P_T=P_A+P_B$

So, for A (solving for $P_A$ in the previous equation, we get:

$y_A=\frac{P_A}{P_A+P_B}$

Since $P_A=0.2P_B$ , we obtain:

$y_A=\frac{P_A}{P_A+P_A/0.2}\\y_A=\frac{1}{6}\\y_A=0.1667$ }

Best regards.

7 0

3 years ago

The initial pressure and volume of a gas are 55.16 kilopascals and 0.500 liter. According to Boyle’s law, if the volume of the g

Gnesinka [82]

Answer: The final pressure is 34.48kPa

Initial Pressure P1 = 55.16kPa

Initial Volume V1 = 0.500L

Final Pressure P2 = ?

Final Volume V2 = 0.800L

Boyle's law P1V1 = P2 V2

P2 = P1V1/V2

P2 = 55.16*0.5/0.8

P2 = 34.48kPa

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3 years ago

How many atoms of chlorine (Cl) are shown below? <br><br> 5 CaCl2

Jobisdone [24]

The answer is not C...

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What type of energy uses turbines

labwork [276]

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The answer is : D. Wind energy

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3 years ago

How many mold are in 4.25x10^-2 atoms of lead

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I’m sorry I have no clue

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3 years ago