The rate of a reaction changes from 2.0 M/s to 0.50 M/s when the concentration of reactant B is halved. Assuming that the concentrations of all other reactants are kept constant and no other things are changed, determine the order of the reaction in terms of B.

What is the formula for the compound dinitrogen pentoxide? a. n4o5 b. n5o4 c. n4o6 d. n5o2 e. n2o5

Which statement is true about hcl? (5 points) select one: a. it is a salt because it increases the concentration of metallic ions. b. it is a salt because it is formed by the reaction of an acid and a base. c. it is an acid because it increases the concentration of hydroxyl ions. d. it is an acid because it increases the concentration of hydronium ions.

Structure of the atoms: discovery of the nucleus in 1909i need answering all of these questions