robert7248 robert7248

19-12-2019
Physics

contestada

what is the change in internal energy if 70 J of heat is added to a system and the system does 30 j of work on the surroundings?

A. 40 J
B. 100 J
C. -40 J
D. -100 J

Respuesta :

Аноним Аноним

19-12-2019

Answer:

I think the answer is A. 40 J

Explanation:

Hope it helps

Answer Link

Otras preguntas

is vegetable soup a solution?

Tone, volume, and pace are part of A. sign language. B. body language. C. spoken language. D. written communication.

What is the most pressing challenge facing Middle East in terms of its water supply?

In 1887, Congress established a commission to regulate the railroads by passing

A teacher gave a test with 50 questions, each worth the same number of points. Donovan got 39 out of 50 questions right. Marci's score was 10 percentage points

If jeannie eats 1,840 calories a day ,how many calories will she have eaten after 182 days?

What was the source of Florence’s wealth and power? A. a great seaport B. trade in luxury goods C. a large and powerful army D. an abundance of arti

The genetic makeup of an organism is referred to as its

How many 0.75-pound packages can you make with 6 pounds of sunflower seeds?

What challenges did veterans face at the end of the war?