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2 years ago

Infrared radiation emitted from the Earth's surface to the atmosphere is _____.

Chemistry

1 answer:

Yanka [14]2 years ago

6 0

Answer:

Mostly absorbed and transmitted toward Earth's surface

Explanation:

Infrared radiation from the sun reaches the Earth's surface and warms the Earth's surface. It emits some infrared radiation, some absorbed by gases such as carbon dioxide in the atmosphere. This is known as the greenhouse effect. and If it don't, radiation from the earth is powerful enough to burn the skin.

I also just did a lesson on this and got this right.

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Bromine has two isotopes: 50.69% of Bromine has a mass number of 79 while 49.31% of Bromine has a mass number of 81. Calculate t

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2 years ago

A metal cylinder is placed in a graduated cylinder which has been filled with water to the 70.0 mL mark. The water level rises t

OLga [1]

V= New mL displaced water - original old water that was already in the grad. cylinder basically 8.0 mL

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3 years ago

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Work file: climate and weather; what’s the difference

Deffense [45]

Answer: Weather refers to short term atmospheric conditions while climate is the weather of a specific region averaged over a long period of time. Climate change refers to long-term changes.

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2 years ago

A gas has a volume of 6.35 L at 88.6 kPa. What will be the volume at standard pressure? Standard Pressure = 101.3 kPa

alukav5142 [94]

Answer:

5.55 L

Explanation:

This excersise can be solved by the Boyle's law.

This law for gases states that the pressure of a gas in a vessel is inversely proportional to the volume of the vessel.

P₁ . V₁ = P₂ . V₂

The law comes from the Ideal Gases Law, in the first term.

P . V = n . R . T In this case, n . R . T are all constant.

6.35 L . 88.6 kPa = 101.3 kPa . V₂

V₂ = (6.35 L . 88.6 kPa) / 101.3 kPa

V₂ = 5.55 L

It is inversely proportional because, as it happened in this case, pressure was increased, therefore volume decreased.

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2 years ago

Prepare 10.00 mL of 0.010 M NaOH by diluting the NaOH solution used in Trial 1. (Your procedure should clearly show your calcula

denis-greek [22]

Answer:

Explanation:

Given a 0.5 M solution of NaOH as stock solution, 10.0mL of 0.010M can be prepared via dilution with distilled water, by using the formula:

$C_{1} V_{1} = C_{2} V_{2}$

where C1 and V1 are initial concentration and volume respectively; same as C2 & V2 for fina.

Let C1 = 0.5M, V2 = ?

C2 = 0.010M; V2 = 10mL

⇒Volume of stock solution to be diluted, V2

= $\frac{10}{0.5}$ × 0.010

Glasswares used would be pipette (for smaller volume experiment) and measuring cylinder. 0.2mL would be measured and then made upto the 10mL mark of the measuring cylinder.

I hope this was a detailed explanation given the missing details of "Trial 1" in the question.

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3 years ago