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xenn [34]
2 years ago
8

Can you give me more explanation in the picture?

Chemistry
1 answer:
PolarNik [594]2 years ago
5 0
Read the paper more carefully if you don't understand it
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El numero de moles en 70 gramos de HF
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3 years ago
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How many moles of copper are needed to react with sulfur to produce 0.25 moles Ol
Tems11 [23]

Answer:

                       0.50 moles of Cu

Explanation:

                    The balanced chemical equation for given synthetic reaction is,

                                          2 Cu + S → Cu₂S

According to balance chemical equation,

                  1 mole of Cu₂S is produced by  =  2 moles of Cu

So,

          0.25 moles of Cu₂S will be produced by  =  X moles of Cu

Solving for X,

                      X  =  0.25 mol × 2 mol /  1 mol

                      X  =  0.50 moles of Cu

Hence, as the molar ratio of Cu to Cu₂S is 2:1 hence, to produce 0.25 moles of Cu₂S we will need 0.50 moles of Cu.

6 0
3 years ago
An object sliding along a horizontal table is an example of projectile motion.
Mumz [18]
True because if anything is moving it is in motion. And because horizontal is similar to projectile!
5 0
3 years ago
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Why don't we use meters or miles when discussion distances between stars or galaxies?
taurus [48]
If we use mile or something else it will be hard to measure in sky .
Because the mile or meters too short for the space,
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It till be take like miliion year to measure.


4 0
3 years ago
Diatomic oxygen has a molar mass 16 times that of diatomic hydrogen. The root-mean-square speed vrms for diatomic oxygen at 50∘C
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Explanation: A diatomic oxygen has a molar mass of 16

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