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ratelena [41]
4 years ago
14

Which of the following questions cannot be answered by science? How does color of light affect the mating behaviors of bees? How

does soil pH affect the productivity of fruit trees? How does temperature affect the amount of oxygen able to dissolve in water? How do contrasting colors affect the quality of a painting?
Chemistry
1 answer:
ch4aika [34]4 years ago
4 0

Answer: How do contrasting colors affect the quality of a painting

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Explanation:

Since the ratio is Cu/Fe, if some Fe were lost due to spillage, the Cu/Fe ratio would INCREASE because Fe would be lower.

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A 25 liter gas cylinder contains 10 mole of carbon dioxide. Calculate the pressure, in atm, of the gas at 325K.
Arada [10]

<u>Answer:</u> The pressure of carbon dioxide gas is 11 atm

<u>Explanation:</u>

To calculate the pressure of gas, we use the equation given by ideal gas equation:

PV = nRT

where,

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V = Volume of gas = 25 L

n = number of moles of gas = 10 mole

R = Gas constant = 0.0821\text{ L atm }mol^{-1}K^{-1}

T = temperature of the gas = 325 K

Putting values in above equation, we get:

P\times 25L=10mol\times 0.0821\text{ L atm }mol^{-1}K^{-1}\times 325K\\\\P=11atm

Hence, the pressure of carbon dioxide gas is 11 atm

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3 years ago
What happens to liquid when it releases enough energy
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What is a reliable measurement
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