
HN Midterm Review #4
Flashcard
•
Chemistry
•
11th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the percent yield formula?
Back
Percent Yield = (Actual Yield / Theoretical Yield) x 100
2.
FLASHCARD QUESTION
Front
How do you calculate the theoretical yield of CO2 from the reaction 2Fe2O3 + C → Fe + 3CO2?
Back
1. Determine moles of C used. 2. Use stoichiometry to find moles of CO2 produced. 3. Convert moles of CO2 to grams.
3.
FLASHCARD QUESTION
Front
Which color of visible light has the longest wavelength?
Back
Red
4.
FLASHCARD QUESTION
Front
What is the significance of electron spin in quantum mechanics?
Back
Electron spin is a fundamental property that describes the intrinsic angular momentum of electrons, leading to the Pauli exclusion principle.
5.
FLASHCARD QUESTION
Front
What are the four sublevels in energy level 3?
Back
3s, 3p, 3d, 3f.
6.
FLASHCARD QUESTION
Front
What is the definition of a theoretical yield?
Back
Theoretical yield is the maximum amount of product that can be formed from a given amount of reactants, based on stoichiometric calculations.
7.
FLASHCARD QUESTION
Front
What is the definition of actual yield?
Back
Actual yield is the amount of product actually obtained from a chemical reaction.
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