An alpha particle is a:
a) electron emitted by nucleus
b) he nucleus emitted by a nucleus
c) electromagnetic radiation emitted by nucleus
d) possible form of an elements nuclei

What pressure will be exerted by 0.675 moles of a gas at 25*c if it is in a 0.750-l container?

Asa choose the correct set of reaction coefficients to properly balance the following chemical equation according to the law of conservation of mass: __s8 + __o2 ==> __so2 1, 1, 8 1, 8, 1 1, 8, 8 8, 1, 1

What is the relation between concentration of reactants and the rate of chemical reaction?