Which polymer is a biopolymer?

polystyrene

polyethylene

polylactic acid

polyvinylchloride

Consider the reaction: 2nh3 (aq) + ocl - (aq) →n2h4 (aq) + h2o (l) + cl - (aq) this three-step mechanism is proposed: nh3 (aq) + ocl - (aq) ⇌k1k2 nh2cl (aq) + oh - (aq) fast nh2ci (aq) + nh3 (aq) ⟶k3 n2h+5 (aq) + cl- - (aq) slow n2h+5 (aq) + oh -

A scuba driver with a local sheriffs office has been assigned the task of retrieving a sunken car in the Red river. The car is believed to have human remains inside.

Nitrogen gas (n2) is an unusable form of nitrogen for many organisms. during the nitrogen cycle, nitrogen gas is converted to usable forms such as ammonia (nh3). what is one way that nitrogen is converted into a usable form such ammonia (nh3)

A clinician is: O a specialized combat surgeon. o a medical researcher who works in a lab. O a patient with a rare, study-able medical disease. O a medical professional in direct contact with patients.

elements on the right side of the periodic table differ from the elements on the left side in that elements on the right side

Water molecules have a strong attraction to each other because of hydrogen bonding, allowing water to move against gravity up a plant's stem through capillary action. True False

What happens when an electric field is applied to a very polar molecule?

Which particles have approximately the same mass?

Which observation provided Albert Einstein the clue that he needed to explain the photoelectric effect

Which of the followings represents a negatively charged ion