Question

questions
1. Convert the following
temperature to celsius scale:
a. 300 K b. 573 K.
2. What is the physical state o
water at:
a. 250°C
b. 100°C ?
3. For any substance, why does the
temperature remain constan
during the change of state?
4. Suggest a method to liquef
atmospheric gases.
​

Answer 1

Answer:

1 .

(a) 27 K

(b) 300 K

2.

(a) gaseous

(b) gaseous

3.

(a) The temperature remains constant during the change of state because the heat energy which is supplied to change the state of matter is used in breaking the intermolecular forces and other attractive forces. Hence the temperature remains constant as all the heat is used up and no external heat is released or absorbed.

4. The gases can be converted into liquids by bringing its particles closer so atmospheric gases can be liquefied either by decreasing temperature or by increasing pressure.

Explanation:

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Answer 2

Answer:

300k - 273 = 27°c

573k -273=300°c

a) gaseous state since it beyond its boiling point

b) as it is in the transition form it will be present in both gas and liquid state

3.it is due to the latent heat

4.by increasing the pressure and decreasing temperature

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