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Question #69465

↳Redirected from "A 5.00 L sample of helium at STP expands to 15.0 L. What is the new pressure on the gas?"

1 Answer

Sep 28, 2016

#21x^2#

Explanation:

#3x*(7*x)#
#=3*7*x*x#
#=21*x^2#
#=21x^2#

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