Chemistry
Chemistry, 07.01.2021 08:40, jdkrisdaimcc11

Which two forces keep the planets
and moons in their orbits?

answer
Answers: 3

Other questions on the subject: Chemistry

image
Chemistry, 22.06.2019 17:00, lulu5563
The atoms of a solid aluminum can are close together, vibrating in a rigid structure. if the can is warmed up on a hot plate, what happens to the atoms?
Answers: 3
image
Chemistry, 22.06.2019 20:30, huangjianhe135
The activation energy for the reaction no2(g)+co2(g)⟶no(g)+co(g) is ea = 300 kj/mol and the change in enthalpy for the reaction is δh = -100 kj/mol . what is the activation energy for the reverse reaction?
Answers: 3
image
Chemistry, 23.06.2019 02:00, Dee1738
The bohr model of the atom explained why emission spectra are discrete. it could also be used to explain the photoelectric effect. which is a correct explanation of the photoelectric effect according to the model?
Answers: 3
image
Chemistry, 23.06.2019 04:00, Ezekielcassese
Which method would be best to separate a mixture of sand and gravel
Answers: 1
Do you know the correct answer?
Which two forces keep the planets
and moons in their orbits?...

Questions in other subjects: