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Veseljchak [2.6K]
3 years ago
6

Which is an example of a plasma that occurs in nature?

Chemistry
2 answers:
solong [7]3 years ago
5 0
"B. The radiant sun.
The Sun, like all stars, is a huge plasma ball of very high density and temperature. It consists almost entirely of hydrogen, with a small component of helium and all other elements in smaller proportions.
Although the plasma in the deep interior of the Sun has a chaotic movement, towards its surface and on it the movements of the plasma are already more ordered. Below the surface of the Sun the plasma circulates up and down, forming cells called convection, and on the surface and already in its atmosphere the movements of the plasma are strongly controlled by local magnetic fields of varying intensity and varied structure."
Roman55 [17]3 years ago
4 0

Answer: Option (b) is the correct answer.

Explanation:

Plasma is defined as a state of matter which is a hot ionized gas with positively charged ions and negatively charged electrons.

For example, the hydrogen and helium atoms present inside the Sun exist in plasma state.

This is because inside the Sun nuclear reactions take place due to which the gases are present in hot ionized form and they travel rapidly from one place to another.

Thus, we can conclude that radiant Sun is an example of a plasma that occurs in nature.

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0.080 mole ba, 0.080 mole s, and 0.320 mole o
Andre45 [30]
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5 0
3 years ago
\The specific heat of aluminum is 0.21 cal g°C . How much heat is released when a 10 gram piece of aluminum foil is taken out of
atroni [7]

<u>Answer: </u>The amount of heat released is 84 calories.

<u>Explanation: </u>

The equation used to calculate the amount of heat released or absorbed, we use the equation:

Q= m\times c\times \Delta T

where,

Q = heat gained  or released = ? Cal

m = mass of the substance = 10g

c = specific heat of aluminium = 0.21 Cal/g ° C

Putting values in above equation, we get:

\Delta T={\text{Change in temperature}}=(10-50)^oC=-40^oC  

Q=10g\times 0.21Cal/g^oC\times-40^oC

Q = -84 Calories

Hence, the amount of heat released is 84 calories.

8 0
3 years ago
The area that deals with the mechanism, the rate, and the energy transfer that occurs when matter undergoes a change
mafiozo [28]
Physical chemistry is the area that deals with the mechanisms, the rate, and the energy transfer that occurs when matter undergoes a change. So the correct option for the given question is option “B”. Whenever there is a change in the state of matter, the physical properties definitely undergo a change. A solid matter will always have a definite shape and volume, while a liquid has a definite volume but no shape. Gases do not have either definite volume or shape. Chemical properties might not be affected, but physical properties are definitely impacted when a matter undergoes change.



7 0
3 years ago
What is the full number for 5.7x10^4
dsp73

Answer:

5.7*10^4 is equal to 57,000.

Explanation:

First, we must multiply 10 by its power, 4. That would be 10 4 times.

10*10*10*10 = 10,000.

Then, we multiply it by 5.7.

5.7*10,000 = 57,000.

Regards!

3 0
3 years ago
1. Which is a property of most molecular compounds?
Whitepunk [10]

Answer: Low melting points

Explanation:

5 0
2 years ago
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