At a certain point during a titration, 45. 0 ml of 0. 300 m nh3 solution has been added to 30. 0 ml of 0. 150 m hcl solution. At this point, the solution is:.

Heat is involved in chemical change in two ways; chemical changes either result in heat being added to or removed from an object, and chemical changes require a certain amount of heat before they can take place.

Standing in the sunlight and feeling the heat on your face (uv radiation is entering the skin, converting to infrared radiation, and is absorbed by your tissues)orstanding near a fire and feeling the heat on your skin (infrared radiation transfer)

The answer for this is a