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Colt1911 [192]
3 years ago
8

Which of the following are examples of plasmas?

Chemistry
1 answer:
Burka [1]3 years ago
4 0

Answer:

i will tell some examples of plasmas they are:

1.lightning

2.solar wind

3.welding arcs

4.stars(including the sun)

5.the earths's ionosphere

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How much heat must be removed from 456 g of water at 25. 0 c to hcange it into ice at 10 c
ValentinkaMS [17]

The heat required to convert water is given as the product of the mas and the latent heat. 28.34 kJ heat must be removed from the water to change it into ice.

<h3>What is heat energy?</h3>

Heat energy is the product of mass, specific heat capacity, and temperature change. It is given as,

\rm Q = mc \Delta T

Given,

Mass of water = 456 gm

Specific heat capacity = 4.186 J / g K

Temperatutre change = 14.85 K

Substituting values above:

\begin{aligned} \rm Q &= 456 \times 4.186 \times 14.85\\\\&= 28345.91\;\rm J\\\\&= 28.34\;\rm kJ\end{aligned}

Therefore, 28.34 kJ of heat energy should be removed from the water.

Learn more about the heat here:

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2 years ago
Balance the following chemical
photoshop1234 [79]

Answer:

2FeBr3 + 3Na2S ➡️ Fe2S3 + 6NaBr

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3 years ago
What causes a chemical change In electrolytic cells?
skelet666 [1.2K]

your answer is A .



Hope This Helps

6 0
3 years ago
Select the example of symbiosis, chosen from the list below that is best described by the statement shown.
ololo11 [35]

Answer:

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2CO(g)+O2 (g) =2CO2(g)
Ronch [10]

Answer:

6.76 moles.

Explanation:

2CO(g)+O2 (g) =2CO2(g)

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Therefore if 6.76 moles reacted, same number of CO2 will be created.

4 0
3 years ago
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