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

When all parts of a circuit are composed of conducting materials, the circuit is said to be A. shorted. B. closed. C. parallel. D. open.

4 miles per hour how longwill it takeyou to walk one mile

How did advances in technology open the way for world exploration?

A puddle holds 150 g of water. If 0.50 g of water evaporates from the surface, what is the approximate temperature change of the remaining water? (Lv = 540 cal/g) a. + 1.8 C° b. - 1.8 C° c. + 0.18 C° d. - 0.18 C°

Do other plants have seasons? explain

How much work is required to move a box 5 meters across the floor with a force of 15N?

Why have plants in the alpine biome adapted to survive on limited nutrients?

At a molecular level, does plasma have more or less energy than other states of matter?

A bobsledder pushes her sled across horizontal snow to get it going, then jumps in. After she jumps in, the sled gradually slows to a halt.

How can you predict the action of the element