Test:160 QNo:6

Find the temp. at which ΔG=-5.2 kJ/mol, ΔH=145.6 kJ/mol and ΔS=216 J/K/mol for a chemical reaction

4 Answers

1
anuran paul ·

a>425k
b>700k
c>650k
d>500k

1
Manmay kumar Mohanty ·

i thnk u might just have mistaken the units given in the question.. anyways answer is (b) 700 K

go like this
we know , ΔG = ΔH - TΔS
→T = ΔH - ΔGΔS = 145.6 + 5.2216 x 10-3 = 698 K ≈ 700K

hence ur answer [1]

1
cute_cat ·

ya its 700 K, but then why do i get negative marks?

1
Manmay kumar Mohanty ·

then that must be some kind of error for which u have to consult MANISH bhaiya or NISHANT bhaiya

Your Answer

Close [X]