Select true or false oxygen is element being reduced in the following reaction

Why do consumers feel warmer after eating a meal

Why do sodium and neon have vastly different chemical and physical properties despite having similar atomic masses?

3. how much energy in joules is required to evaporate .0005 kg of liquid ammonia to vapor at the same temperature? 4. how much energy ( in megajoules ) is given up by .75 kg of water at 0c when it freezes to form ice at 0c? 5. explain how heat works between and at critical temperatures?