Question

A scientist tested Charles’s law, which states that volume is directly related to temperature. Assume constant pressure. What will the scientist observe?

A) as volume decreases, temperature increases
B) as volume decreases, temperature decreases
C) as volume increases, temperature stays constant
D) as volume decreases, temperature can increase or decrease

Answer 1

Based on the options given, the most likely answer to this query is 

B) as volume decreases, temperature decreases.
Charles' law states that when volume increase or decrease, accordingly, temperature becomes similar.

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Answer 2

Answer:

B) as volume decreases, temperature decreases

Explanation:

As per ideal gas equation we know that

$PV = nRT$

now we know that

$V = (\frac{nR}{P}) T$

so here we know that since the pressure is constant so volume is directly proportional to the temperature

So here if we change the volume then the same change will occur to the temperature

so correct answer will be

B) as volume decreases, temperature decreases