Question

Caculate the enthalpy change for the melthing of a 30g ice cube

Answer 1

@zepdrix

Answer 2

@Ashleyisakitty

Answer 3

Hey! @IloveHW ! I can help you with the answer, but you must do it yourself..OK?

Answer 4

@IloveHW ..you there? Dont worry..I'll help you crack it..Its very easy!

Answer 5

hi

Answer 6

OK lets start?

Answer 7

see...30g of ice means 30g of water..so we first need to find the no.of moles of water in 30g of water..

Answer 8

The formula for no.of moles is: Given mass/Molar mass,
we know that the molar mass of water i.e, H2O is 18g and the given mass is 30g

Answer 9

so substituting the values