A steel bottle contains Argon gas at STP. What is the final pressure if the temperature is changed to 145 degrees Celsius? a) 0.653 atm b) 0.713 atm c) 1.40 atm d) 1.53 atm
1 Answer
Apr 7, 2018
Explanation:
#"T"_"Kelvin" = "T"_"°C" + 273#
#"T"_"kelvin" = 145^@"C" + 273 = "418 K"#
From Gay-Lussac's Law
#"P ∝ T"#
#"P"_2/"P"_1 = "T"_2/"T"_1#
#"P"_2 = "P"_1 × "T"_2/"T"_1 = "1 atm" × (418 cancel"K")/(273 cancel"K") = color(blue)"1.53 atm"#
