Ask Singapore Homework?

Upload a photo of a Singapore homework and someone will email you the solution for free.



Question

junior college 1 | H3 Maths
One Answer Below

Anyone can contribute an answer, even non-tutors.

Answer This Question
Chowder
Chowder

junior college 1 chevron_right H3 Maths

How did my teacher get for a) -65 and b)140 i got a complete diff answer

Date Posted: 7 years ago
Views: 661

See 1 Answer

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Jiayang
Jiayang's answer
1883 answers (Tutor Details)
1st
Chowder
Chowder
7 years ago
Thank you! But how do u know its work done on the system ? It just states there work done
Chowder
Chowder
7 years ago
And can u help me with another thermodynamic Q?
Jiayang
Jiayang
7 years ago
Work done by system is when there's expansion. If there's compression, work is done to the system. Sure.
Chowder
Chowder
7 years ago
Can u help me with organic chemistry ?
Chowder
Chowder
7 years ago
Pls
Jiayang
Jiayang
6 years ago
I haven't touched chem in years!