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otez555 [7]
3 years ago
7

Mohamedaidh00 answer me fast​

Chemistry
2 answers:
kolezko [41]3 years ago
6 0
I don’t understand?
KengaRu [80]3 years ago
5 0

Answer:

why can't u leave me........

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Single and double replacement
MrMuchimi

Answer:

Explanation:

A single replacement or single displacement reaction is a reaction in which one substance replaces another.

            A  +   BC →   AC + B

The replacement of an ion in solution by a metal higher in the activity series is a special example of this reaction type.

The relative positions of the elements in the activity series provides the driving force for single displacement reactions.

A double replacement reaction is one in which there is an actual exchange of partners between reacting species. This reaction is more common between ionic substances;

              AB + CD → AC + BD

Such reactions are usually driven by;

  • formation of precipitation
  • formation of water and a gaseous product
3 0
3 years ago
How many moles of h+ are associated with the acid h2so3 during neutralization?
Katena32 [7]

H2SO3 or sulfurous acid is actually a strong acid. We know for a fact that strong acids completely dissociate into its component ions in a solution, that is:

 

<span>H2SO3 -->  2H+  +  SO3-</span>

 

<span>So from the equation above, there are 2 moles of H+</span>

8 0
3 years ago
Prediction for Scandium (II) and Cl
SCORPION-xisa [38]

Answer:

(a) Eka-aluminum and gallium are two names of the same element as Eka-Aluminium has almost exactly the same properties as the actual properties of the gallium element. The properties: atomic mass, density, melting point, formula of chloride and formula of oxide are almost the same.

Explanation:

Scandium - Eka boron.

      (ii) Gallium - Eka aluminium.

      (iii) Germanium - Eka silicon.

3 0
2 years ago
Which information in the periodic table indicates the number of protons in an atom?      A. the position of the element in its c
Leni [432]
Hi there!


D is true

the number of protons is same as atomic number in an atom


good luck!
3 0
3 years ago
Read 2 more answers
The pH of a solution is tested, and it is found to be a basic solution. Of the following choices, what could the pH have been? A
lesya [120]
Basic solution is pH>7
therefore the answer is D.9
8 0
2 years ago
Read 2 more answers
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