Which of the following statements describes the first step in the mechanism of the aldol condensation?
o the carbonyl oxygen of one aldehyde attacks the carbonyl carbon of another.
o an alpha hydrogen is abstracted by the base to form an enolate anion.
o the carbonyl oxygen is protonated by the base ion.
o a nucleophilic base attacks the carbonyl carbon atom.
o the alpha hydrogen is abstracted by an acid to the enolate anion. a moving to another question will save this response.

Will give brainliest it is a lab from k12 here is the linkfor each metal that participated in a chemical change, write the type of metal it is, based on your examination of the periodic table. type your answer here. (score for question 3: of 5 points) were there any metallic compounds that did not react with either the acid or the base? write the type of metal, based on your examination of the periodic table. type your answer here. (score for question 4: of 5 points) make a general statement about the reactivity of the metals in this experiment. type your answer here.

Select the word from the list that best fits the definition the nuclear family into which a person is born or adopted.

The polymer used for the nonstick surface of cooking utensils is 24.0%c and 76%f by mass. what is the empirical formula of this polymer?