3 years ago

When does a gas directly change into a solid

Chemistry

2 answers:

svetlana [45]3 years ago

8 0

Answer:

A gas changes into a liquid when deposition occurs.

Explanation:

For example! If you are boiling a pot of water outside on a snowy freezing day (which is probably un able to happen in Florida) the water will eveporate into a gas in the air, and when the cold air hits it it turns into a solid!

galina1969 [7]3 years ago

5 0

Answer:

when the carbon dioxide infiltrates the gas into molecules

Explanation:

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The role an organism plays in an ecosystem is its<br> habitat<br> population<br> niche<br> community

Hitman42 [59]

The answer for this question is niche.

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3 years ago

The impacts of global warming are being felt and will be felt increasingly in your lifetime. What impacts are likely to be seen

IceJOKER [234]

Answer:

Hotter climate, more greenhouse gases, and less water

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Explanation:

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3 years ago

A red sports drink contains Red 40 dye. A 5.4 mL aliquot of this sports drink was diluted to 25.0 mL with deionized water in a v

miskamm [114]

Answer:

84.0 ppm is the concentration of Red 40 dy in the original sports drink.

Explanation:

Concentration of red dye in sport drink before dilution $C_1=?$

Volume of the sport drink before dilution $V_1=5.4 mL$

Concentration of red dye in sport drink after dilution $C_2=18.1 ppm$

Volume of the sport drink after dilution $V_2=25.0 mL$

$C_1V_1=C_2V_2$ ( dilution )

$C_1=\frac{C_2V_2}{V_1}=\frac{18.1 ppm\times 25.0 mL}{5.4 mL}$

$C_1=83.80 ppm\approx 84.0ppm$

84.0 ppm is the concentration of Red 40 dy in the original sports drink.

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3 years ago

What causes the recognition of an element from its energy signature?

Helga [31]

Answer:

I'm so sorry if this is wrong but I think its B

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3 years ago

To prepare 250.0 mL of 2.5 M KCl you will need to dilute _____ mL of 8.0 M KCl solution to a volume of 250.0 mL.

Radda [10]

Answer:

78.125ml

Explanation:

Number of moles in 250ml of 2.5M KCl is (250÷1000)litres×2.5M so we divide these moles by 8M. The answer gotten will be in litres so multiply by 1000 to get it in ml

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3 years ago