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Luden [163]
3 years ago
13

What is the outcome of all chemical changes when two substances are combined?

Chemistry
1 answer:
wel3 years ago
3 0

Answer:

D

Explanation:

Because when you combine chemical substances they create a new substance unlike physical substances .

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shutvik [7]

Answer:

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Explanation:

5 0
3 years ago
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amid [387]
There are types of lens; concave and convex lens.
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8 0
3 years ago
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katovenus [111]
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3 0
3 years ago
If 17.4 mL of 0.800 M HCl solution are needed to neutralize 5.00 mL of a household ammonia solution, what is the molar concentra
Verizon [17]
NH3  +HCl  ---->  NH4Cl

moles   of  HCl  used =    (0.8  x  17.4) /1000=  0.0139 moles
by  use   of reacting  ratio  between  HCl  to   NH4Cl    which is 1:1    therefore  the  moles   of  NH4Cl  is  also  =  0.0139 moles
molar   concentration  =  moles  /volume  in  liters 

molar  concentration  is  therefore=    (0.0139/5)  x1000 =  2.7 M
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3 years ago
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