The driver of a compact car suddenly applies the brakes hard for 10.0 s. As a result, an average force of 3.0 x 10^3 N is exerted on the car to slow it down. What is the change in momentum in the magnitude of the impulse, on the car?

Asample of the male sex hormone testosterone, c19h28o2, contains 3.88×10^21 atoms of hydrogen.(a) how many atoms of carbon does it contain? (b) how many molecules of testosterone does it contain? (c) how many moles of testosterone does it contain? (d) what is the mass of this sample in grams?

Identify two types of chemical bonding in the source of dietary potassium

The human eye contains a molecule called 11-cis-retinal that changes shape when struck with light of sufficient energy. the change in shape triggers a series of events that results in an electrical signal being sent to the brain that results in vision. the minimum energy required to change the conformation of 11-cis-retinal within the eye is about 164 kj/mol.