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Chemistry - Semester 2 Exam Review Questions And Answers 100% Pass.

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Chemistry - Semester 2 Exam Review Questions And Answers 100% Pass. Single Replacement - answerone element replaces another element in a compound A+BC=B+AC Double Replacement - answera chemical reaction where two elements in different compounds trade places AB + CD --- AC + BD Combustion Rea...

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  • November 3, 2024
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©THEBRIGHT EXAM SOLUTIONS
10/30/2024 11:32 PM


Chemistry - Semester 2 Exam Review
Questions And Answers 100% Pass.



Single Replacement - answer✔one element replaces another element in a compound
A+BC=B+AC

Double Replacement - answer✔a chemical reaction where two elements in different compounds
trade places
AB + CD --- AC + BD

Combustion Reaction - answer✔a chemical reaction that occurs when a substance reacts with
oxygen, releasing energy in the form of heat and light

Synthesis Reaction - answer✔A reaction in which two or more substances combine to form a
new compound
A+B=AB

Decomposition Reaction - answer✔A reaction in which a single compound breaks down to form
two or more simpler substances
AB = A + B

In a combustion reaction one of the reactants has to be.... - answer✔oxygen (O2)

(Solubility Rules) A double replacement reaction will always produce a... - answer✔precipitate,
water, or a gas

(Solubility Rules) a solid metal can never be product in a... - answer✔double replacement
reaction

Avogadro's number - answer✔number of representative particles in a mole, 6.02 X 10^23

Convert moles to particles - answer✔multiply by Avogadro's number

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