What is percent yield?
Chapter Flashcard 5-6 (DEC 7)

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Chemistry, Biology, Other, Other Sciences, Science
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University
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Hard
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1.
FLASHCARD QUESTION
Front
Back
Percent yield is a measure of the efficiency of a reaction, calculated as (actual yield / theoretical yield) x 100%. It indicates how much of the expected product was actually obtained.
2.
FLASHCARD QUESTION
Front
How do you calculate percent yield if the actual yield is 25g and the theoretical yield is 30g?
Back
Percent yield = (25g / 30g) x 100% = 83.33%.
3.
FLASHCARD QUESTION
Front
What is a homogeneous mixture?
Back
A homogeneous mixture is a mixture in which the composition is uniform throughout. Examples include sweet tea and saltwater.
4.
FLASHCARD QUESTION
Front
What is a heterogeneous mixture?
Back
A heterogeneous mixture is a mixture in which the composition is not uniform throughout. Examples include salad and sand.
5.
FLASHCARD QUESTION
Front
What are coefficients in a chemical equation?
Back
Coefficients are the numbers placed before the compounds in a chemical equation to indicate the number of moles of each substance involved in the reaction.
6.
FLASHCARD QUESTION
Front
How do you balance the equation Na + F₂ → NaF?
Back
The balanced equation is 2Na + F₂ → 2NaF, with coefficients 2, 1, 2.
7.
FLASHCARD QUESTION
Front
What type of reaction is A + B → AB?
Back
This is a synthesis (combination) reaction, where two or more reactants combine to form a single product.
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