In an atom of argon-40, the number of protons

a. equals the number of electrons

b. equals the number of neutrons

c. is less than the number of electrons

d. is greater than the number of electr

The osmotic pressure of a solution containing 22.7 mg of an unknown protein in 50.0 mL of solution is 2.88 mmHg at 25 C. Determine the molar mass of the protein.

Which two periods have the same number of elements

Of a non-volatile solute is dissolved in 365.0 g of water. the solute does not react with water nor dissociate in solution. assume that the resulting solution displays ideal raoult's law behaviour. at 70°c the vapour pressure of the solution is 231.

Explain why chlorine gas is used in water treatment instead of fluorine gas

A lab technician dissolves an arrenhius acid and beaker of water what sort of ions will the lab technician find in the beaker A.) conjugate bases B.) hydrogen ions C.) conjugate acids D.) Hydroxide ions

Identify the reactants and products of 3ba (c2h2o2) 2 (aq) + 2na3po4 (aq) = ba3 (po4) 2 (s) + 6nac2h2o2 (aq)

How many moles of copper are needed to react with sulfur to produce 0.25 moles of copper sulfide

How is friction a good thing and a bad thing?

Explain why ice is able to float on water

Lewis dot structure for F2 (g)