Chem Post 2
Flashcard
•
Science
•
10th Grade
•
Practice Problem
•
Hard
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16 questions
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1.
FLASHCARD QUESTION
Front
What is the balanced equation for the combustion of methane?
Back
CH₄ + 2 O₂ → CO₂ + 2 H₂O
2.
FLASHCARD QUESTION
Front
What type of reaction is represented by the equation Pb(NO₃)₂ (aq) + 2NaI (aq) → PbI₂ (s) + 2NaNO₃ (aq)?
Back
Double Replacement Reaction
3.
FLASHCARD QUESTION
Front
How many liters of carbon dioxide gas at STP are produced by the combustion of 64.0 g of methanol?
Back
22.4 L
4.
FLASHCARD QUESTION
Front
What is the correct formula for potassium sulfite?
Back
K₂SO₃
5.
FLASHCARD QUESTION
Front
Write the unbalanced equation for aluminum bromide reacting with rubidium acetate.
Back
AlBr₃ + RbC₂H₃O₂ → Al(C₂H₃O₂)₃ + RbBr
6.
FLASHCARD QUESTION
Front
What is the definition of a combustion reaction?
Back
A combustion reaction is a chemical reaction that occurs when a substance reacts with oxygen, producing energy in the form of heat and light.
7.
FLASHCARD QUESTION
Front
What is the law of conservation of mass?
Back
The law of conservation of mass states that mass is neither created nor destroyed in a chemical reaction.
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