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Leni [432]
3 years ago
13

Which of the following describes the greenhouse effect?

Chemistry
2 answers:
ankoles [38]3 years ago
6 0

Earth's greenhouse gases trap heat in the atmosphere and warm the planet.

Sergeeva-Olga [200]3 years ago
4 0

Answer:

The answer to this problem is D.

Explanation:

Firstly, light from the sun passes through Earth's atmosphere to reach Earth's surface and heat the planet. However, some of this light is radiated back into space in the form of infrared radiation. This radiation is trapped by Earth's greenhouse gases in the atmosphere, causing Earth's surface to heat up. For this reason, choice D makes the most sense.

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1.00 L of a gas at STP is compressed to 473mL. What is the new pressure of gas?
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Hello!

1.00 L of a gas at STP is compressed to 473 mL. What is the new pressure of gas?

  • <u><em>We have the following data:</em></u>

Vo (initial volume) = 1.00 L  

V (final volume) = 473 mL → 0.473 L  

Po (initial pressure) = 1 atm (pressure exerted by the atmosphere - in STP)  

P (final pressure) = ? (in atm)

  • <u><em>We have an isothermal transformation, that is, its temperature remains constant, if the volume of the gas in the container decreases, so its pressure increases. Applying the data to the equation Boyle-Mariotte, we have:</em></u>

P_0*V_0 = P*V

1*1 = P*0.473

1 = 0.473\:P

0.473\:P = 1

P = \dfrac{1}{0.473}

\boxed{\boxed{P \approx 2.11\:atm}}\:\:\:\:\:\:\bf\green{\checkmark}

<u><em>Answer:  </em></u>

<u><em>The new pressure of the gas is 2.11 atm  </em></u>

___________________________________

\bf\blue{I\:Hope\:this\:helps,\:greetings ...\:Dexteright02!}\:\:\ddot{\smile}

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3 years ago
The product formation was decreased when a substance b was added to an enzyme reaction. more substrate being added did not incre
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When the product formation is decreased if a substance B is added to an enzyme reaction and more substrate being added would not increase the amount of produce formed, then we assume that substance b could be a noncompetitive inhibitor. This type of inhibitor would be one that would bind to the enzyme with or without the presence of a substrate in different sites at the same time. It would change the conformation of the enzyme and also the active sites. As a result, the substrate would not be able to bind to the enzyme more effectively than the usual. The overall efficiency would decrease.
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