Calculate the molarity of the solution to 3 digits. 100. g of c12h22o11 (molecular weight = 342.28 g/mole) in 1.15 liters of solvent

Sum of brother and sisters age is 26. four times the brothers age is subtracted from three times the sisters age, the difference is 8. what are the ages of the brother and sister?

Analyze the reaction to determine whether the reaction is exothermic or endothermic. explain your reasoning.

Nthis lab, you will do experiments to identify types of changes. using the question format you learned (shown above), write an investigative question that you can answer by doing these experiments