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andreev551 [17]

3 years ago

13

Which is the best way to turn helium gas into liquid helium?

1 answer:

erma4kov [3.2K]3 years ago

7 0

To create the liquid and superfluid states you cool down helium gas to a few degrees above absolute zero

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Balance equation of gas burns carbon dioxide and water

Klio2033 [76]

gas = methane
burn with O₂ (oxygen)

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How many moles of KF are present in 46.5 grams of KF

irinina [24]

Explanation:

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Calculate the molarity of a solution that contains 0.175 mol of zncl2 n exactly 150 ml of solution.

scoray [572]

Molarity = mol/L

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0.15 L (1000 mL = 1 L)

Molarity = 0.175 mol/0.15 L = 1.1666667 M

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Calculate the frequency of electromagnetic wave with the wave length 344nm ( hint: use dimensional analysis)

Svetlanka [38]

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344 x 10^-9

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Hope this helps!

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3 years ago