You sealed an erlenmeyer flask that was determined to have a volume of 272.2 ml with a stopper. the density of air at 25°c is 0.001185 g/ml. air has an effective molar mass of 28.96 g/mol. what amount of air was sealed in the flask?

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.

Provide a stepwise curved arrow mechanism that fully explains the outcome of the reaction shown below. oh нао* heat он

Ill give u brainliest pls how is mass of carbon conserved during cellular respiration