The correct chemical equation for the reaction of sodium bromide and lead nitrate is: . a. NaBr(aq) + Pb(NO3)2aq) >PbBr2ts) + NaNO3(aq)
b. NaBr(aq) + Pb(NO3)2> PbBr2(aq) + NaNO3(s)
c. 2 NaBr(aq) + Pb(NO3)2(aq)> PbBr2(aq) + NaNO3(s)
d. 2 NaBr(aq) + Pb(NO3)2(aq)> PbBr2 + NaNO3(aq)

Omg imgonnafailnfiedkla use complete sentences to explain how the mass of hydrogen is conserved during cellular respiration.

Determine the percent sulfuric acid by mass of a 1.61 m aqueous solution of h2so4. %

Select the correct text in the passage. which sentences describe examples of sustainable living? i live in an old apartment building downtown, but my company is based in an office park on the outskirts of the city. i drive an old car that needs to be replaced. i plan to buy a hybrid for better gas mileage, but for now i am able to carpool with a couple of friends from work. the drive to the office park is about 45 minutes each way, but we do get to work in a modern building. the architects just received a leed certification for the design.