How might the rates (how fast) of energy transformation affect how a flameless heater is able to warm objects?

Anurse practitioner prepares an injection of promethazine, an antihistamine used to treat allergic rhinitis. if the stock bottle is labeled 25 mg/ml and the order is a dose of 11.0 mg , how many milliliters will the nurse draw up in the syringe?

Balance this equation co2(g) + h2o (g) show that the balanced equation obeys the law if conversation of mass

Explain that newton first law,second law and third law of motion?