Which indicator most likely suggests that a chemical change is taking place?
change in size
change of color
change of state
change in shape

change of color

Explanation:

Change of color of an indicator shows that chemical reaction occurs.

c (diamond),

sio2 (quartz)

question: ray weighs 100 kilograms, his wrestling partner, bobby, weighs 50 kilograms. if ray moves at 4 m s , how fast will bobby have to run at him to apply an equal amount of kinetic energy?

answer: 8 m/s he needs to run twice as fast to keep up so he has some work to do

explanation:   if the mass has units of kilograms and the velocity of meters per second, the kinetic energy has units of kilograms-meters squared per second squared.

question answered by

(jacemorris04)