Calculate the specific heat (\rm{J/g \; ^\circ C}) for a 18.5-\rm g sample of tin that absorbs 183 {\rm J} when temperature increases from 35.0 ^\circ \rm C to 78.6 ^\circ \rm C

Answer 1

I can't read most of your post but here is the equation you need.
q = mass x specific heat x delta T.