2 years ago

Which best explains how photosynthesis is helpful to humans?

Chemistry

1 answer:

marissa [1.9K]2 years ago

5 0

Answer:

It reduces the amount of harmful rays released by the sun. It increases the levels of carbon dioxide in the air.

Explanation:

PWLS MARK ME BRAINLIEST*

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6. A sample of a gas has a mass of 0.527 g. Its volume is 0.35 L at a temperature of 88 degree Celsius and a pressure of 945 mm

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

PV = nRT

or,

$PV=\frac{m}{M}RT$

where,

P = Pressure of gas = 945 mmHg

V = Volume of the gas = 0.35 L

m = Mass of gas = 0.527 g

M = Molar mass of gas = ? g/mo

R = Gas constant = $62.3637\text{ L.mmHg }mol^{-1}K^{-1}$

T = Temperature of gas = $88^oC=[88+273]=361K$

Putting values in above equation, we get:

$945mmHg\times 0.35L=\frac{0.527g}{M}\times 62.3637\text{ L.mmHg }mol^{-1}K^{-1}\times 361K\\\\M=35.87g/mol$

Hence, the molar mass of the gas is 35.87 g/mol.

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3 years ago

Which best explains how photosynthesis is helpful to humans?​

Which best explains how photosynthesis is helpful to humans?