What is the average speed of a car that traveled 525 miles in 7.5 hours?

How many moles of boron trifluoride are present in 2.40x10^22 molecules of this compound?

How can carbon cycle very quickly back into the enviornment

How many chemical bonds do you expect ekasilicon to have and why

How many moles of hydrogen atoms are present in 25.0 g of water?

What is pressure? O A. The force of gas molecules hitting their container O B. The space occupied by gas molecules moving around O C. The heat required to change the temperature of a gas O D. The mixing of gas molecules due to random motion

What is the Bronsted-Lowry definition of a base?

When the skateboarder reaches the top of the half-pipe, what type of energy is at it's maximum?

Does anyone know any good science fair projects for 8th grade? It will mean a lot if u do! Need one asap

If a 1.50 L gas sample is held at a constant temperature, and its pressure is changed from 2.30 atm to 3.60 atm, what will the final volume be?

Use this information to determine the number of valence electrons in the atoms. Which of the following correctly compares the stability of the two atoms?