Chemistry, 08.12.2020 01:30 nicolacorio02
Amanda dissolves some sugar in water in a beaker. She allows the water to evaporate and notices that solid sugar remains in the bottom of the beaker. What two pieces of evidence can be provided to show that this is a physical change?
Answers: 2
Chemistry, 22.06.2019 12:30
Place the elements below in order of decreasing ionization energy. aluminum(al) chlorine(cl) magnesium (mg) sulfur(s)
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Chemistry, 23.06.2019 02:00
The point along a planet's orbit where it is closest to the sun is called the
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Chemistry, 23.06.2019 11:20
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
Chemistry, 23.06.2019 12:40
During an experiment, ice and water were placed in a perfectly insulated thermos flask at 0 °c. describe this system when it phase reaches equilibrium.
Answers: 1
Amanda dissolves some sugar in water in a beaker. She allows the water to evaporate and notices that...
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