How many kilowatt hours does it take to lift an apple that weighs 100g 1 meter.(use 9.8 kg
m/s2 for the force of gravity)

Avariable that is not being directly tested during an experiment should be

How many moles of water are created if 3 moles of hydrogen react completely with excess oxygen?

Examine the false statement. compounds are the smallest unit of an element that occur most commonly in nature. select the rewording of the statement that is true. a: atoms are the smallest unit of an element that commonly occur in nature. b: molecules are the smallest unit of an element or compound that commonly occur in nature. c: molecules are the smallest unit of a compound that occur on the periodic table. d: compounds are the smallest unit of an element that occur on the periodic table