Yield Percent

Dec 16, 2012

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APQ and EPQ . APQ = As Purchased QuantityExample: Whole Bananas with the peel on.EPQ = Edible Portion QuantityExample: Peeled Bananas (ready to eat). Trim. Trim = APQ- EPQExample: 50

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Yield Percent

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Percent Yield

Percent Yield. What you get compared to what you should get. How to solve for Percent Yield. Balance the given equation… Rock on, we love to balance!!! Set up a “grams” to “grams” Stoichiometry problem a. start with grams of reactant b. go to grams of product.

76 views • 3 slides

Percent Yield and Stoichiometry

Percent Yield and Stoichiometry. Chemistry. Percent Yield describes how much product was actually made in the lab versus the amount that theoretically could be made. Actual Yield  100 = Percent Yield Theoretical Yield Percent yield tells you how close you were to the 100% mark.

232 views • 7 slides

Percent Yield

Percent Yield. Brought to you by Coach Cox. What is percent yield?. Theoretical Yield – the maximum amount of product that can be produced from a given amount of reactant. This is determined mathematically using stoichiometry calculations

386 views • 11 slides

Percent Yield

Percent Yield. Percent Yield. How much product “should” be made is called the Theoretical Yield In most reactions, the amount we really do make is less than this real amount – it is called the Actual Yield Percent Yield – shows the relationship between theoretical and actual yields

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Stoichiometry Percent Yield

Stoichiometry Percent Yield. Important Terms. Yield : the amount of product Theoretical yield : the maximum amount of product expected, based on stoichiometric calculations Actual yield : amount of product from a procedure or experiment (this is often given in a question)

480 views • 13 slides

Percent Yield

Percent Yield.

359 views • 9 slides

Theoretical Yield, Actual Yield, and Percent Yield

Theoretical Yield, Actual Yield, and Percent Yield. The amount of product we get if the reaction is perfect is called the theoretical yield . -- It is found by calculation. If we ACTUALLY DO the reaction and measure the actual yield , we will find that this amount is

687 views • 3 slides

Stoichiometry Percent Yield

Stoichiometry Percent Yield. Important Terms. Yield : the amount of product Theoretical yield : Actual yield : Percent yield : (actual yield ÷ theoretical yield) × 100. Real reactions usually produce less than the “ideal” or theoretical yield. . Why is this so?.

334 views • 12 slides

Limiting Reactant Percent Yield

Limiting Reactant Percent Yield. Consider the following reaction 2 H 2 + O 2  2 H 2 O. Reactants are combined in perfect proportions. 3 molecules. 6 molecules. 6 molecules. This is a theoretic reaction. 3 molecules. 6 molecules. 6 molecules. In reality this never happens.

422 views • 22 slides

Percent Purity Percent Yield

Percent Purity Percent Yield. Chemicals don’t always exist in pure form. The purity of a chemical is indicated as the percentage purity. The impure substance contains another substance to make the mass higher than a pure substance. Percent Purity. Percent Purity. An analogy.

3.04k views • 24 slides

Percent Yield Reduction

Figure 1. Percent yield losses caused by tarnished plant bug feeding on an early maturing variety ( Deltapine 0912 B2RF) and a late maturing variety ( Deltapine 0949 B2RF) across four planting dates. Percent Yield Reduction. 3 Apps. 4 Apps. 7 Apps. 7 Apps. April 20. May 6. May 19.

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Percent Yield

Percent Yield. Theoretical Yield. The maximum amount of product that can be produced from a given amount of reactant Theoretical yield is calculated using stoichiometry. Actual Yield. The amount of product actually produced when the chemical reaction is carried out in an experiment.

384 views • 8 slides

Percent Yield Calculations

Percent Yield Calculations. a.k.a …. What to do when things don’t work out quite the way you thought they would. 'Twas the night to make crystals, and all through the hood, Compounds were reacting; As I'd hoped that they would. The hood door I'd closed with the greatest of care,

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Yield Percent

Yield Percent. Chapters 7-8. APQ and EPQ. APQ = As Purchased Quantity Example: Whole Bananas with the peel on. EPQ = Edible Portion Quantity Example: Peeled Bananas (ready to eat). Trim. Trim = APQ- EPQ Example: 50# sack of Potatoes Once Peeled and cleaned the potatoes weigh 42.5#

271 views • 9 slides

Percent Yield

Percent Yield. 1) How do you find theoretical yield? a. from experiment c . it’s always the same b. divide them x 100 d. from stoichiometry 2) How do you find actual yield? a. from experiment c. it’s always the same

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PERCENT YIELD

PERCENT YIELD. Frequently the amount of a product made during a chemical reaction is less that that predicted by mass – mass stoichiometry. Percent yield is calculated by dividing the amount actually produced by the theoretical amount as determined by mass – mass stoichiometry and then

276 views • 6 slides

Calculating Percent Yield

Calculating Percent Yield. Introduction. The percent yield of a reaction is a measure of how efficient we were at running the reaction. High percent yields (>95%) are excellent. Low percent yields (>50%) are usually poor. Most reactions have percent yields between 50% and 95%. Introduction.

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Percent Yield

Percent Yield. Section 12.3. Percent Yield. Often when reactions are actually carried out in the lab, there is a difference between the amount of product we expect and the amount we actually get. Side reactions take place that we can’t control Impure reactants

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Percent Yield

Percent Yield. Stochiometry. Stoichiometry gives you a theoretical yield. Theoretical, in this case, is the layman’s definition of a hypothesis. It is an “educated guess” as to how much should be produced or would be needed to produce a certain amount. But not exactly.

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Percent Yield

Percent Yield. Percent yield. % yield = actual yield Theoretical yield. X 100. If you started with 6.32 grams of N 2 , How many grams of ammonia should you produce? N 2 + 3H 2  2NH 3.

239 views • 7 slides

Percent Yield and Stoichiometry

Percent Yield and Stoichiometry. Honors Chemistry. Percent Yield describes how much product was actually made in the lab versus the amount that theoretically could be made. Actual Yield  100 = Percent Yield Theoretical Yield

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Percent Yield and Stoichiometry

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