Please help quickly! for the first one ignore what i have pressed as i just guessed and it wont let me remove answers

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?

In numbering carbon atoms in the parent chain of a hydrocarbon, why would you number from right to left, rather than left to right

Which atom or ion is the largest? 0 a. 0 0 0 0 e. li