What is the work output and the efficiency of a Carnot engine that extracts 1000 kJ of heat from a high temperature reservoir 1200 K and rejects heat to a low temperature reservoir at 800 K. How much heat is rejected to the low temperature reservoir

What type of electromagnetic wave is used in security pens? a. x-rays c. microwaves b. visible light d. ultraviolet radiation select the best answer from the choices provided

During takeoff, the sound intensity level of a jet engine is 170db at a distance of 34 m. what's the sound intensity level at a distance of 1.0 km?

When is a current produced? when the terminals of an electrochemical cell are connected by a wire if the electric circuit is opened in an electrochemical cell if the electrolyte is removed from an electrochemical cell when the electrodes are reversed in an electrochemical cell