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qaws [65]
3 years ago
15

Sublimation and boiling both happen at the surface of the substance true or false

Chemistry
2 answers:
dolphi86 [110]3 years ago
6 0
The answer to your question is false, boiling happens below the surface of a substance.
Snowcat [4.5K]3 years ago
5 0
I think the answer to this question is

False

Hope It Helps
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2 years ago
If 200. g of water at 20°C absorbs 41 840 J of energy, what will its final temperature be? (Specific Heat of water is 4.184 J/g*
Elena-2011 [213]

Answer: The final temperature will be 70^0C

Explanation:

To calculate the specific heat of substance during the reaction.

q=m\times c\times (T_{final}-T_{initial})

where,

q = heat absorbed =41840 J

c = specific heat = 4.184J/g^0C

m = mass of water  = 200 g

T_{final} = final temperature =?

T_{initial}= initial temperature = 20^0C

Now put all the given values in the above formula, we get:

41840J=200g\times 4.184J/g^0C\times (T_{final}-20)^0C

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Thus the final temperature will be 70^0C

3 0
3 years ago
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