Which of the following do you think you could measure to prove quickly something is being dissolved?
A. The time it take to dissolves a certain amount of a substance
B. How much of a substance is being dissolved
C. Other:

Aneutron and a proton combine to form a nucleus. why does the mass of the nucleus differ from the sum of the masses of the individual nucleons?

Abaseball picther can throw a ball at about 90 miles per hour, v = 40 m/s, on solid rock ground. we now put him into space. when he throws the ball, which weighs mb = 0.15 kg moves away from himat the same speed. how long does it take the ball thrown in space to travel the 30 meters to the batter? he weighs mp = 100kg

Gunpowder residue is most likely to show up where on a shooters hands