Which statement describes the relative masses of two different particles?
1.a neutron has less mass than a positron.
2.a beta particle has less mass than a neutron.
3.an alpha particle has less mass than a positron.
4.an alpha particle has less mass than a beta particle.

Consider the reaction of a(g) + b(g) + c(g) => d(g) for which the following data were obtained: experiment initial [a], mol/l initial [b], mol/l initial [c], mol/l initial rate, mol/l. s 1 0.0500 0.0500 0.0100 6.25 x 10^-3 2 0.100 0.0500 0.0100 2.50 x 10^-2 3 0.100 0.100 0.0100 1.00 x 10^-1 4 0.0500 0.0500 0.0200 6.25 x 10^-3 what is the rate law for the reaction?

The volume of a single vanadium atom is 9.29×10-24 cm3. what is the volume of a vanadium atom in microliters?

Calculate the concentration of all species in a 0.165 m solution of h2co3.