Chemistry, 10.10.2019 21:10 luffybunny

What is the name of a layer of sediment or rock that does not allow water to pass through it?

Answers: 1

Show answers

Other questions on the subject: Chemistry

Chemistry, 21.06.2019 20:00, lorenaandreahjimenez

The answer for #3 is c but i don't know why

Answers: 1

continue

Chemistry, 21.06.2019 23:00, fespinoza019

A100-watt light bulb radiates energy at a rate of 100 j/s. (the watt, a unit of power or energy over time, is defined as 1 j/s.) if all of the light emitted has a wavelength of 525 nm , how many photons are emitted per second?

Answers: 1

continue

Chemistry, 22.06.2019 03:30, krharris

Melting and boiling are endothermic processes. this means that these processes absorb energy from their surroundings in order to occur. use this information and the data you collected in the phase change gizmo to describe what happens to the temperature of water when you boil it, then explain why this result occurs.

Answers: 2

continue

Chemistry, 22.06.2019 06:40, alyons60

Which statement correctly describes metallic bonds? a. they form when certain atoms lose electrons and other atoms gain electrons. b. they involve an attraction between anions and cations. they always involvpoth a metal and a nonmetal. d. they can only form between atoms of the same element. e. they form because electrons can move freely between atoms.