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pochemuha
3 years ago
9

The salts in the sea come from

Chemistry
1 answer:
Luda [366]3 years ago
4 0
D) organisms that live in the sea
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What is the volume, in liters, of 3.75 moles of O2 gas at STP?
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1 mole ----------- 22.4 L ( at STP )
3.75 moles ----- ?

3.75 x 22.4 / 1 => 84.0 L
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Calculate ΔGrxn for this equation, rounding your answer to the nearest whole number.
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-958 spontaneuos

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When two gases or two liquids form a solution, the substance that is present in the largest amount is the?
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At a pressure of 650 kpa 2.2L of hydrogen is used to fill a balloon to a final pressure of 115 kpa. What's the balloons volume?
Alborosie

Answer:

V₂ = 12.43 L

Explanation:

Given data:

Initial pressure = 650 KPa

Initial volume = 2.2 L

Final pressure = 115 KPa

Final volume = ?

Solution:

The given problem will be solved through the Boyles law,

"The volume of given amount of gas is inversely proportional to its pressure by keeping the temperature and number of moles constant"

Mathematical expression:

P₁V₁ = P₂V₂

P₁ = Initial pressure

V₁ = initial volume

P₂ = final pressure

V₂ = final volume  

Now we will put the values in formula,

P₁V₁ = P₂V₂

650 KPa ×2.2 L = 115 KPa × V₂

V₂ = 1430 KPa. L/ 115 KPa

V₂ = 12.43 L

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2 years ago
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