Chemistry, 13.06.2020 23:57 briannabo08
Which statement describes the energy changes that occur when water in a kettle is heated on a stove that uses natural gas ?
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What are transitions between a liquid and gas called? identify which way they are transitioning
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Which aqueous solution of ki freezes at the lowest temperature? 1) 1 mol of ki in 500. g of water 2) 2 mol of ki in 500. g of water 3) 1 mol of ki in 1000. g of water 4) 2 mol of ki in 1000. g of water
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An alpha particle is: a hydrogen atom a nucleus of helium two neutrons an electron
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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.
Answers: 2
Which statement describes the energy changes that occur when water in a kettle is heated on a stove...
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