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Rufina [12.5K]
3 years ago
12

Where are the rare earth metals located on the periodic table

Chemistry
1 answer:
maksim [4K]3 years ago
7 0
They are found in group 3 of the periodic table.
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What does temperature indirectly measure? 1)Sound 2)Thermometers 3)Chemical Reactions 4)Heat​
attashe74 [19]

Answer:

Heat

Explanation:

Temperature is the average thermal energy (or heat) in a substance. Sound isn't really related, thermometers measure temperature, and chemical reactions can produce heat, but none of those are measured by temperature.

3 0
2 years ago
A train that is accelerating at 5m/s² down the tracks and crashes into a car. If the train weighs 20,000kg, how much force does
iragen [17]

Answer:

100,000 N

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Force, F = mass, m × acceleration, a

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What mass of Cl2, in grams is contained in a 10.0L tank at 27oC and 3.50 atm pressure ? a. 1.42 grams b. 142 grams c. 1.01 kg d.
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the correct answer is A

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Sometimes clothes removed from the dryer cling together. What kinds of charges are on the clothes ?
inn [45]

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4 0
3 years ago
How many moles of butane (C4H10) must be burned in an excess of O2 to produce
Sedbober [7]

Answer: 6,25 moles

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2/x = 8/25. 8x = 50. And x = 6,25

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