25.0mL of 0.052 M of Pb(NO3)2 and 25.0mL of 0.0125 M of Pb(NO3)2 are mixed. Calculate the molarity of the resulting solution.

How much energy is made when a pice of wood burns. how do you know

If you burn 10 kilograms of wood in a fire (combustion) what is the weight of the products after the fire has finished burning the wood?

The chemical equation below shows the reaction of sodium (na) and chlorine (cl) to form sodium chloride (nacl). 2na + cl2 → 2nacl in this equation, which of the following is a reactant? i. sodium ii. chlorine iii. sodium chloride