250 kJ of energy is removed from a 400 g sample of water at 60°C, Will the sample of water completely freeze? Explain.

Help please??

Is this a single replacement reaction or there is no

When hydrochloric acid reacts with potassium hydroxide solution, the following reaction occurs. hcl (aq) + koh (aq) h2o (l) + kcl (aq) the reaction gives off heat energy, so it is an reaction.

Aperfume bottle is dropped in the corner of a room. the odor of the perfume can be detected on the other side of the room. which statement best describes this observation?