Question

at fixed temperature, the volume of a sample of gas varies inversely as the pressure of the gas. if the pressure of a sample of gas at a fixed temperature is increased by 50% , by what percent is the volume decreased?

Answer 1

here is given options too...

Answer 2

and in option there is no such value 3/2 here is just 50%

Answer 3

i'l check again

Answer 4

may i give u options...i guess it will be easy...

Answer 5

a. 25%
b. 33*1/3%
c. 50%
d. 75%
e. 100%

Answer 6

I got 33%

Answer 7

suppose intial pressure of gas is 100
then
v = k/100
it is now increased to 150
so
v2 = k / 150

so v2 / v = k /150 / k / 100
= k/150 * 100/k = 2/3

or 67 %

Answer 8

sry in sol. i did it inc actually its decrease

Answer 9

thank u soo much both of you...thanks alot...:D

Answer 10

r u sure jimmyrep? will u check my soln

Answer 11

the volume is 67% of its initial volume so the decrease is 33%

Answer 12

oh ok thanks.. you r superhero :)

Answer 13

are u sure its just 33% cause here is no such option just 33%

Answer 14

lol ty

Answer 15

it might be 33*1/3%

Answer 16

yeah i'm sure its 33 atleast now

Answer 17

thank u soo much...but as it is question of SAT it is quite tricky.....but m sure the anser is option b. tht is 33%

Answer 18

thank u so much...its quite tricky cause its question of SAT...but m sure answer is 33%