Types, Balance, Reading Rxns
Flashcard
•
Science
•
10th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a balanced chemical equation?
Back
A balanced chemical equation has equal numbers of each type of atom on both sides of the equation, following the law of conservation of mass.
2.
FLASHCARD QUESTION
Front
How do you balance the equation P4 + O2 → P2O3?
Back
The balanced equation is 1 P4 + 3 O2 → 2 P2O3.
3.
FLASHCARD QUESTION
Front
What is the complete balanced reaction for burning butane (C4H8)?
Back
C4H8 (l) + 6 O2 (g) → 4 CO2 (g) + 4 H2O (g) is the complete balanced reaction.
4.
FLASHCARD QUESTION
Front
What type of reaction is 3KOH + H3PO4 → K3PO4 + 3H2O?
Back
This is a double displacement reaction.
5.
FLASHCARD QUESTION
Front
What is the product of the reaction between iron and sulfur?
Back
The product is iron(II) sulfide, represented as FeS.
6.
FLASHCARD QUESTION
Front
Translate the word equation: Hydrogen and Carbon Dioxide react to form Carbonic Acid (H2CO3).
Back
The chemical equation is H2 + CO2 → H2CO3.
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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