Which of the following cannot be tested by science? a) how adrenaline affects the meaning behaviors of animals b)How emotion affects the quality of a painting c) how gravity affects the movement of an object d) how temperature affects the sex of offspring

Match the mixture with the substance// i really need on this guys (it’s a pic btw)

Achemistry student needs to standardize a fresh solution of sodium hydroxide. he carefully weighs out of oxalic acid , a diprotic acid that can be purchased inexpensively in high purity, and dissolves it in of distilled water. the student then titrates the oxalic acid solution with his sodium hydroxide solution. when the titration reaches the equivalence point, the student finds he has used of sodium hydroxide solution.calculate the molarity of the student's sodium hydroxide solution. be sure your answer has the correct number of significant digits.

What is the molecular weight of copper