Question 17 (1 point) Saved
How many milliliters of 0.381 M hydroiodic acid are required to nutralize 12.0 mL of
0.499 M strontium hydroxide according to the UNBALANCED reaction below?
HI (aq) + Sr(OH)2 (aq) Srl2 (aq) + H20 (1)

Darla claims that the first periodic table developed by mendeleev was not completely accurate, so it is not useful at all. harmony argues that it establish the periodic table we use today, making it more credible. who is correct and why? darla is correct, because a model that has any mistakes should be thrown out. darla is correct, because a good model would not need to change. harmony is correct, because mendeleev’s model had all of the information correct in the first version. harmony is correct, because mendeleev’s model made predictions that came true.

21. consider the following chemical reaction: n2+ o2 2 no if 10.0 g of n2 reacts with excess oxygen then how many grams of no can be formed? a) 10.7 g b) 21.4 g c) 32.9 g d) 42.8 g page 4 of 8

Which of the following represents the ester functional group? a. -coo- b. -cho c. -cooh d. c=o