Chemistry, 15.04.2021 02:10 khalilah2000ortbfy
Heating Curves:
1. What is happening during letter A in the heating curve above? What equation is used?
2. What is happening during letter B in the heating curve above? What equation is used? Why does the temperature not change?
Answers: 1
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Abaker touches a pie right after taking it out of the oven. which statement best explains why the pie feels hot?
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110 g of water (specific heat = 4.184 j/g c) and 100 g of a metal sample (specific heat = 0.397 j/g c) are heated from 25 degrees c to 75 degrees c. which substance required more thermal energy?
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Chemistry, 23.06.2019 09:00
Astream of surface water reaches a porous portion of sediment and seeps into the ground. this water eventually joins a large reservoir of water located beneath the earth's surface. the example above describes the interacting with the a. cryosphere; biosphere b. hydrosphere; biosphere c. hydrosphere; geosphere d. cryosphere; geosphere
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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
Heating Curves:
1. What is happening during letter A in the heating curve above? What equation is u...
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