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3 years ago

Cloudy nights can be warmer than clear nights because clouds trap heat

Chemistry

2 answers:

tigry1 [53]3 years ago

4 0

Answer:

Cloudy nights can be warmer than clear nights because clouds trap heat absorbed by Earth during daylight hours.

prohojiy [21]3 years ago

4 0

Answer:

the greenhouse effect

Explanation:

the temprature depends on the amount of carbon dioxide trpped in the ozone layer.

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Why is it permissible to use a wet bottle when first obtaining your kmno4 solution?

Murrr4er [49]

For the answer to the question above, well presumably because the exact concentration of the composition KMnO4 solution doesn't matter. If the concentration of the KMnO4 solution is important (usually in titrations etc.) then it is not allowed to use a wet bottle. The water in the bottle will dilute the KMnO4 solution and change the concentration of the said compound.

5 0

3 years ago

A slice of pizza has 500 kcal. If we could burn the pizza and use all the heat to warm a 50-L container of cold water, what woul

gayaneshka [121]

Answer:

10°C

Explanation:

Heat gain by water = Heat lost by the slice of pizza

Thus,

$m_{water}\times C_{water}\times \Delta T=Q$

For water:

Volume = 50.0 L

Density of water= 1 kg/L

So, mass of the water:

$Mass\ of\ water=Density \times {Volume\ of\ water}$

$Mass\ of\ water=1 kg/L \times {50.0\ L}$

Mass of water = 50 kg

Specific heat of water = 1 kcal/kg°C

ΔT = ?

For slice of pizza:

Q = 500 kcal

So,

$50\times 1\times \Delta T=500$

ΔT = 10°C

Increase in temperature = 10°C

3 0

2 years ago

Explain how the shorelines can affect the weather, in one to two sentences

defon

Answer:

Global warming causes sea-level rise as oceans expand, and makes storm patterns more energetic. Consequently it will affect most of the world's coastlines through inundation and increased erosion.

<h3>PLEASE MARK ME BRAINLIEST.</h3>

5 0

2 years ago

Which of the following transports information from the eye to the brain?

Marina CMI [18]

Answer:

Explanation:

c is the correct answer

4 0

2 years ago

Which expression can be used to calculate the density of a 129.5-gram sample of bronze that has a volume of 14.8 cubic centimete

PilotLPTM [1.2K]

Answer:

it would be like 30

Explanation:

just divide the gram by cubic

5 0

2 years ago