Physics, 12.09.2019 05:30 reesewaggoner8

Which of the following is a statement of the first law of thermodynamics?
[a] ek = ½ mv2
[b] a negative δh corresponds to an exothermic process. [c] δe = efinal -einitial
[d] energy lost by the system must be gained by the surroundings.
[e] 1 cal = 4.184 j (exactly)

Answers: 1

Show answers

Other questions on the subject: Physics

Physics, 21.06.2019 21:40, lolz55678

Achemistry student needs of 40ml diethylamine for an experiment. by consulting the crc handbook of chemistry and physics, the student discovers that the density of diethylamine is 0.7 . calculate the mass of diethylamine the student should weigh out. round your answer to significant digits.

Answers: 1

continue

Physics, 22.06.2019 02:00, LadyHolmes67

The motor m applies a time-varying force of f (200 t) n, where t is in seconds. box b with mass 200 kg starts from rest, and the coefficients of kinetic and static friction are 0.2 and us 0.3 the acceleration due to gravity is g 9.8 m/s2 b 300 a) find the time ' when the box starts to move. b) calculate the speed of the crate at 3 s c) calculate the power delivered by the motor at t 3 s

Answers: 3

continue

Physics, 22.06.2019 02:30, chelsea73

You are about to open a container of soy milk but notice that there are instructions to “shake well before serving.” the soy milk is most likely a

Answers: 1

continue

Physics, 22.06.2019 09:00, jayyd679

Connie has $660,000 she wants to save. if the fdic insurance limit per depositor, per bank, is $250,000, which of these way is distributing her money between three banks will guarantee that all of her money is insured ?

Answers: 3

continue

You know the right answer?

Which of the following is a statement of the first law of thermodynamics?
[a] ek = ½ mv2