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ladessa [460]
4 years ago
11

Will give crown to best answer!

Chemistry
2 answers:
BigorU [14]4 years ago
7 0
C. Poor conductors of electricity is the correct answer. Metal is shiny Metal is malleable and they lose 1 electron in a chemical reaction.
Ostrovityanka [42]4 years ago
3 0

C. poor condutors of electrisity.  

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A chemical reaction in which an uncombined element replaces an element that is part of a compound is called a
san4es73 [151]

Answer:

A chemical reaction in which an uncombined element replaces an element that is part of a compound is called a simple substitution reaction or simple displacement reaction.

Explanation:

A simple substitution reaction or simple displacement reaction, called single-displacement reaction, is a reaction in which an element of a compound is substituted by another element involved in the reaction. The starting materials are always pure elements and an aqueous compound. And a new pure aqueous compound and a different pure element are generated as products. The general form of a simple substitution reaction is:

AB + C → A +BC

where C and A are pure elements; C replaces A within compound AB to form a new co, placed CB and elementary A.

So, in a Single replacement reaction an uncombined element replaces an element.

<u><em>A chemical reaction in which an uncombined element replaces an element that is part of a compound is called a simple substitution reaction or simple displacement reaction.</em></u>

3 0
3 years ago
In order for a process to be spontaneous, Multiple Choice the entropy of the surroundings must increase. the entropy of the surr
Crazy boy [7]

Answer:

The correct answer is entropy change of the surrounding plus the entropy change of the system must be positive.

Explanation:

The term entropy is a state function.Entropy can be defined as the disorder or randomness of the molecules in a system.

 A spontaneous reaction is a type of reaction which deals with the release of free energy.The change of free energy in case of spontaneous reaction is always negative.

 According to the second law of thermodynamics a spontaneous reaction will occur in a system if the total entropy of both  system and surrounding increases during the reaction.

8 0
3 years ago
Which of the following will have the highest vapor pressure? (A: 1.0 M NaCl (aq)) (B:1.0 M MgCl2 (aq)) (C:1.0 M C12H22O11 (aq))
hjlf
The answer qill be b
7 0
3 years ago
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What mass of ether will be produced is 221 g of ethanol reacts with a 66 percent yield?
Keith_Richards [23]
@pandamille help her please!!!!
5 0
3 years ago
Why does increasing concentration usually increase reaction rate?
Alex Ar [27]
The correct answer is C) There are more particle collision

With more particle collision, more reactions are created.
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3 years ago
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