Question

The work done by the system is 200 J while 300 J heat energy is added into it. The
change in internal energy is
A)-100 J
B) 0 J
C) + 100 J
D) 300 J​

Answer 1

꧁ӇЄƳƛ ƁƲƊƊƳ꧂

Answer:

option A

Explanation:

∆U = q + w

= -300 + 200

= -100J

♡❀ƭɦαɳҡร❀♡

Answer 2

Answer:

THERMODYNAMICS

Explanation:

∆ E = W(system) - W(body)

∆E = 200 - 300

∆E = -100 J

HENCE ;INTERNAL ENERGY IS NEGATIVE.