Use bond-line drawings to draw as many constitutional isomers as you can for C5H9OBr that contain an aldehyde functional group. How many constitutional isomers (unique compounds) can you find that contain an aldehyde?

An exothermic reaction is conducted in an insulated calorimeter filled with water. the calorimeter is then sealed so that there is no heat exchanged between the contents of the container and the surrounding air. which of the following statements is true about the reaction?

Why does a cake rise when you bake it? ♡

Can someone me with questions 15 to 17 plz.