Which of the following involves a chemical change ... Boiling water, melting ice, or baking a cake

What do I do if I am hopelessly crushing on someone and I know for a fact that they used to like me ... But probably not anymore? I'm just curious for responses lol.

How is an ion different from the parent ion

FeCl3 + NaOH → Fe (OH) 3 + NaCl

Which type of energy is thermal energy a form of? A - chemical energy B - kinetic energy C - magnetic energy D - potential energy

Four processes that change rock from one type to another.

Gypsum is hydrated calcium sulfate. a 4.89 g sample of this hydrate was heated. after the water was removed, 3.87 g anhydrous calcium sulfate remained. determine the formula of this hydrate and name the compound.

A chemical reaction produces CO2 (g). If 44 g is produced at 1.0 atm and 25°C, what volume will the gas occupy? (Assume that CO2 behaves as an ideal gas under these conditions.

What is the smallest carbohydrate called?

One of the characteristics of living things is that they respond to external changes in their environment so that their internal environment stays as stable as possible. why must an organism do this

A 21.0 kg child is running at a velocity of 2.50 m/s. The child is carrying a 2.25 kg gallon of milk. What is the momentum of the child and the milk together?