Determine which of the following sets of data satisfy the first law of thermodynamics? (recall that e = total energy = u + ke + pe). a. w = 50 kj q = 170 kj deltae = 120 kj b. w = 100 btu q = -110 btu deltae = -210 btu c. w = 250 kj q = -110 kj deltae = -100 wh d. w = 44 kpa-m3 q = -84 kpa-m3 delate = 40 kn-m

Only option a and b follows the first law of thermodynamics.

Explanation:

As we know that the first law of  thermodynamics tells the conservation of energy,that is why it is also called quantitative law.

From the first law of thermodynamics

Q = ΔE + W

a.

Given that

W= 50 KJ,Q= 170KJ ,ΔE=120 KJ

Yes this follows the first law of  thermodynamics.

b.

Given that

W= 100 Btu,Q= -110 Btu ,ΔE= -210 Btu

This also satisfy the  first law of  thermodynamics.

c.

Given that

W= 250 KJ,Q= -110 KJ ,ΔE=-100 KJ

Yes this does not follow the first law of  thermodynamics.

d.

Given that

Yes this does not follow the first law of  thermodynamics.

So only option a and b follows the first law of thermodynamics.

answer:

okay

explanation: