How do you determine the number of protons in an element

A glass of ice at 0 degrees Celsius changes to a glass of water at 0 degrees Celsius what caused the ice to change to water

nonpolar solutes dissolve more readily in nonpolar solvents than polar solvents. Describe the interactions occuring between the solute and the solvent

What is atom molecule for Li2O

A 8.6 g rock sample is added to a graduated cylinder filled with water, causing the level to increase from 12.8 mL to 13.6 mL. What is the density of the rock sample?

What must happen for ice to melt at a given pressure

Calculate the [H^+] of a solution that has a pH of 8.76 * Round answers to 2 places past the decimal. Use the following format: #.## x 10^-# (there should be a space on either side of the x

Why is plastic not classified as a composite?

Consider HA2, the intermediate form of a diprotic acid. Ka for this species is 1024 and Kb is 1028. Nonetheless, the Ka and Kb reac - tions proceed to nearly the same extent when NaHA is dissolved in water. Explain.

Which of the following is true of group 6A? Includes Chlorine Includes Sulfur Gain 2 electrons Tend to form + 2 ions Have 5 valence electrons

What happens if you pour water in baking soda? Does it release energy? What kind?