Explain answer clearly, with complete

Introductory Chemistry 5
Is the precipitate in a precipitation reaction always a compound that is soluble or insoluble? Explain.

Chemistry 11
Calculate the vapor pressure of a solution made by dissolving 82.4g of urea (molar mass = 60.06 g/mol)in 212 mL of water at 35C. What is the vapor-pressure lowering?

Myers' Psychology for AP 2
How do neurotransmitters influence behavior, and how do drugs and other chemicals affect neurotransmission?

Biology 8
Which process is most directly driven by light energy? a. creation of a pH gradient by pumping protons across the thylakoid membrane b. carbon fixation in the stroma Co reduction of NADP- molecules d. removal of electrons from chlorophyll molecules e. ATP synthesis

Anatomy & Physiology 1
In which direction would an MRI scanner move to produce sequential images of the body in the frontal plane, and in which direction would an MRI scanner move to produce sequential images of the body in the sagittal plane?

Anatomy & Physiology 1
Iodide ions cross from the bloodstream into follicle cells via ________. a. simple diffusion b. facilitated diffusion c. active transport d. osmosis

The Practice of Statistics 5
Cereal A companys cereal boxes advertise 9.65 ounces of cereal. In fact, the amount of cereal in a randomly selected box follows a Normal distribution with mean m = 9.70 ounces and standard deviation s = 0.03 ounces. (a) What is the probability that a randomly selected box of the cereal contains less

Psychology 5
The apparently altruistic behavior of non-human animals can often be explained by a. kin selection. b. obedience. c. informational influence. d. cognitive dissonance.