How many iron atoms are in 0.32 mol of fe2031? 3.9x 1023 jron atoms o 3.9 iron atoms o 6.02 x 1023 iron atoms 1.9 x 1023 iron atoms o 11x 10-24 iron atoms

How many moles are in 7.2 x 10^23 carbon molecules? (*round to the nearest hundredth and include the unit "mol c" after your number) question 6 options:

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

8) warming your hands by a fire is an example if which heat transfer? a. conduction b. convection c. radiation d. none of these