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Tems11 [23]
3 years ago
7

Why do solids react faster in powder form than in lump form

Chemistry
1 answer:
miv72 [106K]3 years ago
7 0
There is more surface area so there’s more to react with all together
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Practice Explaining Heat Flow
zloy xaker [14]

Answer:

The right choice is "burning gas → pan → water → eggs"

Explanation:

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So, heat will firstly flow from burning gas to pan by conduction then to the water in contact with pan then to the egg present inside the water.

<u>So, the right choice is :</u>

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Is elemental phosphorus dull or high luster?
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3 years ago
What is the percentage composition when 10g of magnesium combines with 4g of nitrogen?
Ivanshal [37]
The %  composition   when 10g of magnesium combine   with  4g of   nitrogen  is  71.43%   magnesium   and  28.57 %  nitrogen

               calculation

%
  composition  =  mass  of an element  / total mass  x100
mass  of magnesium = 10 g
mass of nitrogen  =  4g

calculate  the  total  mass  used

=  10g of  Magnesium  + 4 g of  nitrogen = 14 grams

%   composition for  magnesium  is therefore  =  10/14  x100 = 71.43 %

%  
composition  for  nitrogen  is therefore = 4 /14  x100  =   28.57 %
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3 years ago
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