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Maurinko [17]
3 years ago
7

Need these ASAP ignore the use evidence from the text in question 1

Chemistry
1 answer:
mr Goodwill [35]3 years ago
6 0
It requires more energy to boil an substance than to melt it (with special exceptions). When something is boiled you are furthering the distance between the already stretched out molecules which will require more energy to do so, also in most cases you will be creating a vapor from boiling which has a high kinetic energy value.
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An electron moved from a higher energy level to a lower energy level. What most likely happened during the transition? (4 points
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Explanation:

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Which is the most accurate description of compounds?
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Answer: c.They have a unique set of properties that can be used as identifiers.

Explanation:

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3 years ago
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In the city a street peddler offers you a diamond ring for 30 bucks how can you test the rock
larisa86 [58]

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Hardness test — Scratch the rock with a fingernail, a copper penny, a glass plate or nail, and a ceramic plate. Check your Guide to assign it a rating on the Mohs Scale of Hardness.

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Magnetism test — Hold the magnet in the Mineral Test Kit near your rock. If there is a magnetic pull, it has a metal mineral in it.

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A quick and easy way to find out whether your diamond is real or fake: try fogging it up with your breath. If it clears up after one or two seconds, then your diamond is real, but if it stays fogged for three to four seconds chances are that you're looking at a fake.

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