Which of the following mixtures will result in a buffer solution? I: 50 mL of 0.10 M NaOH added to 25 mL of 0.10 M C6H5COOH (benzoic acid) II: 50 mL of 0.10 M HBr added to 100 mL of 0.10 M CH3NH2 (methylamine) III: 50 mL of 0.10 M HBrO added to 50 mL of 0.10 M KBrO (1) Only II (2) Only III (3) I and III (4) II and III (5) I, II and III

Plz choose one of the compounds from the table and explain how you know the numbers of atoms in your formula. is it possible for two different compounds to be made from the exact same two elements? why or why not? with a limited number of elements (less than 120 are known), does this mean we also have a small number of compounds or do we have a large number of compounds in this world?

Several kinds of bears are found on earth. most bears are brown or black, but one type of bear, the polar bear, is white. what process led to this difference in fur color? explain your answer.

What happened to the amount of carbon dioxide in the atmosphere from 2010–2017?