Which is an example of potential energy? Question 7 options:

A fox chasing a mouse

A bowling ball rolling towards the pins

A car sitting at the top of a hill

A kite flying in the air

What is the percentage by mass of silicon (si) in iron aluminum silicate (fe3al2(sio4)3)?

Sulfur dioxide and oxygen react to form sulfur trioxide during one of the key steps in sulfuric acid synthesis. an industrial chemist studying this reaction fills a 25.0l tank with 4.5 mol of sulfur dioxide gas and 4.5 mol of oxygen gas at 30.°c. he then raises the temperature, and when the mixture has come to equilibrium measures the amount of sulfur trioxide gas to be 1.4 mol. calculate the concentration equilibrium constant for the reaction of sulfur dioxide and oxygen at the final temperature of the mixture. round your answer to 2 significant digits.

Take a look at this dandelion. the yellow flower on the right is pollinated and the seeds on the left are transported by