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ivolga24 [154]
3 years ago
8

Numerous elements are dissolved in sea water in trace quantities. True False

Chemistry
2 answers:
Tems11 [23]3 years ago
4 0
I thinks it's true but I'm not sure
Step2247 [10]3 years ago
4 0
Pretty sure it's true
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10) A student’s calculation w as found to have a 15.6% error, and the actual value w as determined to be 25.7 mL. W hat are the
goblinko [34]

Answer:

The actual value = 25.7 ml

The error = 15.6%

This means that the value of error = 0.156 * 25.7 = 4.0092 ml

Now, the error percentage found means that the student got the value either greater than the actual one with the value of error or less than the actual one with the value of error.

This means that the two possible readings are:

either : 25.7 + 4.0092  = 29.7092 ml

or : 25.7 - 4.0092  = 21.6908 ml

Explanation:

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3 years ago
A layer of sandstone is found on top of a layer of shale. What most likely happened in this area?
storchak [24]

Answer:

Mud was deposited first, then sand.

Explanation:

This could have been a tidal mud flat succeeded by a sandy beach, or along the bed and course of a river with either mountain building upstream causing faster flow and carrying of mud farther away or the sea level falling with mud deposits being found closer to the new coastline. Hope this helps!

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3 years ago
What’s the formula equation for
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CaCO3———→CaO + CO2

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