Vocab: Empirical and Molecular Formulas

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•
Science
•
10th - 11th Grade
•
Hard
+1
Standards-aligned
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1.
FLASHCARD QUESTION
Front
What is Stoichiometry?
Back
The study of the amounts of reactants and products in chemical reactions, often referred to as the study of chemical recipes.
Tags
NGSS.MS-PS1-5
2.
FLASHCARD QUESTION
Front
What is a Product in a chemical reaction?
Back
A substance that forms as a result of a chemical reaction.
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
3.
FLASHCARD QUESTION
Front
What does the number 4 represent in 4 NH₃?
Back
Coefficient - it indicates the number of molecules of ammonia.
4.
FLASHCARD QUESTION
Front
Which pair has the same empirical formula: NaCrO₄ and Na₂Cr₂O₇, or C₂H₄O₂ and C₆H₁₂O₆?
Back
C₂H₄O₂ and C₆H₁₂O₆ have the same empirical formula.
5.
FLASHCARD QUESTION
Front
What is a Chemical Reaction?
Back
A process that changes one set of chemicals into another set of chemicals.
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
6.
FLASHCARD QUESTION
Front
Define Empirical Formula.
Back
The simplest whole-number ratio of atoms of each element in a compound.
7.
FLASHCARD QUESTION
Front
Define Molecular Formula.
Back
The actual number of atoms of each element in a molecule of a compound.
Tags
NGSS.MS-PS1-1
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