You are a scientist working on increasing the efficiency of appliances to waste less electricity. you are running experiments measuring the input, output, and waste energy from a new type of light source. given the data below, determine the percentage of energy transformed into light. 25978.8 joules in, 14153.3 joules wasted, 11825.5 joules out a. 45.5% b. 54.5% c. 11825.5% d. 83.5%

Plz mark brainliest 30 points 1) find the momentum of a 12 kg snowball that is rolling with a velocity of 9 m/s. 2) an 8 ball with a mass of .5 kg is sitting at rest. it is hit by the cue ball (1 kg) traveling at 2.5 m/s. if the cue ball is at rest after the collision, how fast is the 8 ball traveling after the collision? 3) two football players are running toward each other. if the offensive player is 75 kg and is running 8 m/s, how fast must the 60 kg defensive player run in order for the two players to hit and stop?

Phosphorous acid, h3po3(aq) , is a diprotic oxyacid that is an important compound in industry and agriculture. p k a1 p k a2 1.30 6.70 calculate the ph for each of the points in the titration of 50.0 ml of 1.5 m h3po3(aq) 1.5 m h 3 po 3 ( aq ) with 1.5 m koh(aq). 1.5 m koh ( aq ) .

What is the volume of 3.2 moles of chlorine gas (cl2) at 295 k and 1.1 atm?