subject
Physics, 30.05.2020 06:57 Theacefamily123

PLEASE HELP ME!
A student notices that when calcium chloride is placed in water, the test tube feels warm. What kind of reaction has taken place?

A. Combustion Reaction

B. Endothermic Reaction

C. Exothermic Reaction

D. Endergonic Reaction

ansver
Answers: 2

Other questions on the subject: Physics

image
Physics, 21.06.2019 17:30, nnance689
In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j ?
Answers: 2
image
Physics, 21.06.2019 19:30, yomamaisfat1519
Abody of weight 60 kg is standing in a lift the lift going upward with a uniform velocity of 4.9 metre per second slows down and stops in two seconds then apparent weight of the body during the slow down process is
Answers: 2
image
Physics, 22.06.2019 04:50, andrewsaul04
The position of a crate sliding down a ramp is given by x=(0.05t^3) m, y=(1.7t^2) m, z=(6−0.85t^5/2) m, where t is in seconds. (a) determine the magnitude of the crate's velocity when t = 2 s. (b) determine the magnitude of the crate's acceleration when t = 2 s.
Answers: 2
image
Physics, 22.06.2019 08:00, JuanTorres7
The arrival of in the early days of europa’s existence could have formed its ocean. it is likely that the water experienced similar to earth. it is also possible that this water is retained beneath europa’s surface and in its atmosphere due to europa’s . 1.) a. precipitation b. water vapor c. icy debris 2.) a. gravitational compression b. biochemical cycling c. radiogenic heating 3.) a, gravity b. magnetic field c. heat energy for plato
Answers: 3
You know the right answer?
PLEASE HELP ME!
A student notices that when calcium chloride is placed in water, the test tube...

Questions in other subjects:

Konu
Mathematics, 06.10.2019 22:00