juan777

if atoms give off light, why don't they glow?

if 8.7 g of butanoic acid is dissolved in enough water to make 1.0 L of solution, what is the resulting pH

A reaction A+B---> C has a standard free energy change of -5.13 kj/mol at 25 degrees celcius, What are the concentrations of A, B, and C at equilibrium if at the beginning of the reaction there concentrations are .3M, .4M, and 0M respectively?

how many valence electrons does a carbon radical possess?

A couple intends to have four children. Assume that having a boy and girl is equally likely event. a) List sample space b) Find the probability that couple has two boys and two girls; c) Find the probability that couple has at least one boy

A biology professor gives a surprise quiz consist of a true/false question followed by a multiple choice question with four possible answers. If both questions are answered with random guesses, find the probability that both responses are correct. Please...

A six sided die is rolled three times. List possible outcomes and find the probability of rolling exactly one 6.

sample of n=5 scores (8,0,7,5,5) make an estimate of the standard deviation by finding average distance of the smallest and largest distance from the mean

how do i draw a histogram for the data (8,0,7,5,5)