The law of conservation of mass states that the mass of the reactants is the mass of the products.
equal then
greater then
or less then

Calculate the percent composition by mass of each element in al(oh)3. use at least three significant figures.

Sandy is building a small toy car. he wants to use a balloon to power the toy car. he fills a balloon with air and then attaches a straw to the balloon. he tapes the balloon-straw combination to the car and then releases the end of the balloon. the toy moves forward as the air from the balloon comes out the back of the straw. what can sandy do to make the toy car move faster? a) use less air in the balloon. b) blow up the balloon more. c) use a longer straw. d) use larger tires.

What is the name of the molecular compound s3i9?