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tatuchka [14]
1 year ago
9

B. Describe hydrogen bonding. (1 point)

Chemistry
1 answer:
marishachu [46]1 year ago
6 0
Hydrogen bonding is an attractive force between a hydrogen atom attached to a electronegative element
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Calculate how many moles of carbon dioxide are contained in 5.57 x 10²¹ molecules of CO₂
Alex777 [14]
<h2>Answer:  0.00925 mol </h2>

Explanation:

Moles = # of molecules ÷ Avogadro's Number  

         =  (5.57 × 10²¹ molecules) ÷ (6.022 × 10²³ molecules/mol)  

         =  0.00925 mol

<h3>∴ the 5.57 x 10²¹ molecules of carbon dioxide ≡ 0.00925 mol</h3>
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2 years ago
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abruzzese [7]
Shape
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A solid will only occupy its original shape.

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Whatever volume a solid has to start with, it will retain that volume all other things being equal.

This is actually very hard to describe. 
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