Ill give brainlist if you get the right answer The is how many times a wave vibrates in one second. (Page: Frequency Pitch Match It)

Question 4 options:

vibrate

Amplification

pitch

frequency

Which actions would increase the rate at salt dissolves in water? stir the water? crush the salt? use less water? heat the water? cool the salt

For the reaction c6h14(g) & longrightarrow; c6h6(g) + 4h2(g), δp(h2)/δt was found to be 2.5 x 10-2 atm/s, where δp(h2) is the change in pressure of hydrogen. determine δp(c6h14)/δt for this reaction at the same time.

Is a chemical message sent by another individual.