The reaction rate varies depending upon what substances are reacting. She starred in an episode in which she reacts to children reacting to her videos. It is chemically inert, not reacting with most corrosive substances, and has excellent biological compatibility. Schiff bases can be obtained by reacting amines with ketones or aldehydes. Hydrogen can be produced using aluminium by reacting it with water. Energy can be extracted from aluminum by reacting it with water to generate hydrogen. They are prepared by reacting samarium trichloride with NaCH in tetrahydrofuran. Those reacting only with acids are labeled basic oxides. Is the enemy reacting characteristically, or perhaps acting like a noncombatant? Both men obtained piperidine by reacting piperine with nitric acid. It is apparent that by frame 225 the President is reacting to his throat wound. They seem to be silently reacting to the various images. These show her reacting with discomfort to something she sees. Man is reacting against the potentially overwhelming strength of progress and shouts out his centrality. Novolaks are produced by reacting phenol with methanal (formaldehyde).