Balance the equation: __HBr + ___Mg(OH)2 ---> ___MgBr2 + ___H2O

(please explain if u can bc i dont rlly understand the H2O and (OH)2 thing

How does a noncompetitive inhibitor reduce an enzyme’s activity?

How many moles of lead are in 1.50 x 10^12 atoms of lead? could you explain the answer as well and not just give it to me i am refreshing for finals and i need to know how to do it

The diagrams to the right show the distribution and arrangement of gas particles in two different containers. according to kinetic-molecular theory, which of the following statements is true? check all that apply. if the temperatures of both containers are equal, container a has greater pressure than container b. if the volume of container a decreased, its pressure would decrease. if the pressure in both containers is equal, container a has a lower temperature than container b.