Which half-reaction correctly describes the change that occurs when hydrogen reacts with chlorine?

The mass of a neutron is equal to the mass of a proton plus the mass of an electron. true or false false true

An ice cube with a volume of 45.0ml and a density of 0.9000g/cm3 floats in a liquid with a density of 1.36g/ml. what volume of the cube is submerged in the liquid

Which fossil fuel is mainly used for heating and cooking? a. electricity b. coal c. petroleum d. natural gas