5000 j of heat are added to a system. it does 3500 j of work on the surroundings. what is δe in j?

What does frequency mean in science

Carbon nonoxide formula

A unit that measures power or how much electricity is being used by a device

What systems of the body are involved in preparing and eating a sandwich

Compare exothermic reactions and endothermic reactions. Give at least one similarity and one difference.

How do credit cards use magnets to work?

Which of the following describes a physical change? A. Formation of a new substance caused by combining substances B. Water changing from liquid to gas through evaporation or boiling C. Formation of a new substance caused by application of heat

A wave seen at the ocean's shore is which kind of wave? A. Surface wave B. Transverse wave C. Latitudinal wave D. Longitudinal wave

The acceleration due to gravity is equal to second squared. (round to 2 significant digits)

In the diagram above (not to scale), Vx/y = 12.57 meters/second and Vy/z = 5.21 meters/second. What is the value of the resultant vector?