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Ludmilka [50]
2 years ago
6

Calculate the mass of magnesium needed to make 25g of magnesium oxide​

Chemistry
1 answer:
puteri [66]2 years ago
6 0

Explanation:

here's the answer to your question about

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Use kinetic molecular theory to explain why a gas takes the shape and volume of its container
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Help me please O w O
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From top to bottom in most groups of elements, atomic radii tend to A. decrease because the nuclear charge increases. B. decreas
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Will the electronegativity of tellurium be larger or smaller than that of antimony?
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2 years ago
Which formula can be used to find velocity if kinetic energy and mass are known?
astraxan [27]

Answer:

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option D is the correct option.

Here,

If an object of mass 'm' moving with a velocity'v' then,

kinetic \: energy =  \frac{1}{2} m {v}^{2}  \\  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:    {v}^{2}  =  \frac{2ke}{m}  \\  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  {v}^{2}  =  \sqrt{ \frac{2ke}{m} }

hope this helps...

Good luck on your assignment..

5 0
2 years ago
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