Question

i needed to edit this

Answer 1

∆H =−M ⋅ C ⋅∆T

M= 1.11 g CH4
C= 4.319 kJ /g C⋅°
∆T= T final- T initial= 35.65°C - 24.85°C = xxx °C

replace the data in the formula and calculate the ∆H

Answer 2

i working on the problem

Answer 3

yep :D

Answer 4

but imma try to help

Answer 5

okie dokie :)