Chemistry, 08.12.2021 21:40 elicollierec
On a hot day, heat can flow into a building through a glass window. On a cold day, heat can flow out of the building through the window. How does putting a curtain in front of the window slow down the change in temperature?
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Chemistry, 22.06.2019 18:00
To apply in a gold the individual gold atoms are united to each other by means of a metallic bond. how would you use the gold block to determine the atomic radius of a gold atom?
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Chemistry, 23.06.2019 14:30
2.38g of black copper (ii) oxide is completely reduced by hydrogen to give copper and water. what are the masses of copper and water formed? ?
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Chemistry, 23.06.2019 15:30
Ms. sullivan's class is designing a miniature roller coaster. after first setting it up, they find that it didn't have enough speed to go through the loop de loop. instead of taking out the loop, they decide to increase the height of the first hill the coaster goes down, and this adds the speed needed to make it through the loop. what would be a drawback to this plan in real life? a) no one likes loop de loops. b) there is no downside to this plan. c) a higher hill means a scarier ride. d) a higher hill takes more time and material to build.
Answers: 1
On a hot day, heat can flow into a building through a glass window. On a cold day, heat can flow out...
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