Chemistry, 04.03.2021 18:50 britney9285
A balloon containing 2.6 mol hydrogen has a volume of 3.9 L. More hydrogen is added to the balloon, giving it a volume of 17.1 L. How many moles of hydrogen were added?
Answers: 3
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If one fission reaction of a uranium-235 atom produced two neutrons, how many neutrons would be released if the chain reaction occurred three more times?
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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.
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A balloon containing 2.6 mol hydrogen has a volume of 3.9 L. More hydrogen is added to the balloon,...
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