When you push on the sides of a balloon, the gas inside is .

Which of the following are used in an electrochemical cell? a. electrodes b. electrolyte c. terminals d. all of the above

What sort of waves exhibit the doppler effect?

Aphoton is absorbed by an electron that is in the n = 3 state of a hydrogen atom, causing the hydrogen atom to become ionized. very far away from the nucleus, the released electron has a velocity of 750,000 m/s. what was the wavelength of the absorbed photon?