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quester [9]
3 years ago
15

PLZ HELP ASAP!!!

Chemistry
1 answer:
melomori [17]3 years ago
6 0
Sandy soil because the sand will erode faster then the clay will causeing the well to cave in
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NaOH is a strong base so pH will be around 13 to 12. Whatever number of moles of NaOH you have approximately the pH of NaOH will be around 14 13 or 12  
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3 years ago
What causes the appearance of lines in an emission spectrum?
Nikitich [7]

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key concepts and summary. When electrons move from a higher energy level to a lower one, photons are emitted, and an emission line can be seen in the spectrum. Absorption lines are seen when electrons absorb photons and move to higher energy levels

Explanation:

thank me later

pls be brainlest

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3 years ago
Jonas mixes citric acid with baking soda. How does he know the reaction is endothermic?
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D. The temperature of the the solution increases

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At which position is the northern hemisphere experiencing winter?
andrezito [222]

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