Snakes and similar animals are members of a group called reptiles. How do reptiles differ from other animals?

Classify each statement about effective nuclear charge, zeff, as true or false.

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?

Asolution contains 180 g of glucose (c6h12o6) and 162 g of water. what is the mole fraction of glucose?