Answer
a) -196$^{\circ}$C
b) 336 K
c) 1177$^{\circ}$C
Work Step by Step
$T(K)=T(°C)+273$
a) $T(K)=77 K$: $T(°C)= -196^{\circ}C $
b) $T(^{\circ}C)=63^{\circ}C$: $T(K)=336 K$
c) $T(K)=1450 K$: $T(°C)=1177^{\circ}C$
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.