A table tennis ball has a mass of 2.7 x 10-3 kg. How much energy would be produced if the mass of the table tennis ball were converted into energy? (The mass-energy equivalence equation and speed of light are given below.) E = mc2 c=3.0 108 m/s

Consider the two electron arrangements for neutral atoms a and b. are atoms a and b the same element? a - 1s2, 2s2, 2p6, 3s1 b - 1s2, 2s2, 2p6, 5s1

What is the number of moles of chemical units represented by 9.03x10^24? and how do i show work? (dumb it down )

The famous scientist galileo galilei did several experiments with sloping planes, which he rolled metal balls down so that he could study motion. by changing the slope, he could study how the speed at which the ball rolled was affected. what was the independent variable in galileo's experiment? a. the speed of the ball b. the slope of the plane c. whether the ball moved d. what the ball was made of