Where does the respiratory system begin? 

A flap of cartilage that protects the larynx when you swallow 

Bifurcate 

The “air” that we take in is 

Consider the following redox reaction:               Br- (aq) + MnO2 (aq) –> Mn+2 (aq) + Br2 (l) After balancing the reaction in acidic solution using half reactions, what is the coefficient in front of Br- ?

The product side of the balanced equation for the reaction between aqueous sodium hydroxide and aqueous iron (III) chloride is:  

A new account executive wants to be more effective at handling objections during the validation stage. Which two strategies should they prioritize?

What is the molecular formula for a compound (Mm = 90.00 g/mol) with CHO2 as the empirical formula?

The product side of the balanced equation for the reaction between aqueous lithium phosphate and aqueous sodium chloride is:

What is the percent phosphorous in phosphorous trichloride?  You must show your work to receive any credit.