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RUDIKE [14]
3 years ago
14

Please help me thanks so much?!?!

Chemistry
2 answers:
fgiga [73]3 years ago
7 0

Answer:

The answer to your question is when the size, shape, or state of matter changes.

Explanation:

Change that does not undergo in the chemical composition.

AVprozaik [17]3 years ago
3 0

Answer:

D.

Explanation:

I did this question in school and got it right.

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A radio technician measures the frequency of an AM radio transmitter. The frequency is 11979kHz. What is the frequency in megahe
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11.979 MHz

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What happens when soluble fiber is mixed with water?
storchak [24]

Answer:

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6 0
2 years ago
How many grams of h2 are needed to produce 14.51 g of nh3?
gavmur [86]

Answer:

               2.57 g of H₂

Solution:

The Balance Chemical Equation is as follow,

                                          N₂  +  3 H₂    →    2 NH₃

According to Balance equation,

         34.06 g (2 moles) NH₃ is produced by  =  6.04 g (3 moles) of H₂

So,

               14.51 g of NH₃ will be produced by  =  X g of H₂

Solving for X,

                      X  =  (14.51 g × 6.04 g) ÷ 34.06 g

                     X =  2.57 g of H₂

7 0
3 years ago
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