Today we did a few review problems from the book on using mole-ratio conversions.
We also learned about Actual Yield and Theoretical Yield and how to find the % Yield
There was an equation to how to find the % Yield
Act. Y. - Actual Yield
Th. Y. - Theoretical Yield
(Act. Y./Th. Y.) * 100 = % Yield
We have been asigned to do homework problems 165-175 on pg. 890 so get them things done to turn in before the bell rings on time. Please and Thank You.
Goody Night Get Homework Done!!!!!!
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remember that the coefficients have nothing to do with the molar mass of the substance
ReplyDeletedon't forget that you must have equal significant figures in all equations
ReplyDeleteEveryone remember that we have a test over chapters 8 and 9 on Friday.
ReplyDeleteremember not to round your sig-figs until the end of the problem, where you refer to your given info for the correct number of sig-figs.
ReplyDeletehttp://danielleamorim.tripod.com/
ReplyDeleteshows the equation for percentage Yeild
A website with practice questions for % yield with answers at the bottom:
ReplyDeletehttp://www.uen.org/utahlink/tours/tourElement.cgielement_id=42288&tour_id=17891&category_id=33176
A helpful tip to not worry about sig figs is that number of digits in the given number will always be the number of digits for your final answers in moles and grams.
ReplyDeletehttp://www.cartage.org.lb/en/themes/sciences/chemistry/Miscellenous/Helpfile/Stoichiometry/Percentyield.htm
ReplyDeletehelps explain percent yield
remember that the numbers in the mole ratio are infinitely significant and therefore should be shunned when determining the correct number of significant figures
ReplyDeletehttp://misterguch.brinkster.net/WKS001_001_924590.pdf
ReplyDeleteHere's some helpful yield calculation problems
This site talks about Theoretical yield.
ReplyDeletehttp://orgchem.colorado.edu/hndbksupport/labnb/theoryield.html
ReplyDeleteWebsite to help field actual yield
ReplyDeletehttp://danielleamorim.tripod.com/
remember to include coefficient,unit,substance,and state of matter when writing out chemical equations. Failing to do this may cost you pts on the test...
ReplyDeleteGood site to practise yield problems on:
ReplyDeleteforums.biocompare.com/forums/ViewThread.aspx?threadid...
A website with practice problems. I bet you never would have guessed.
ReplyDeletehttp://www.science.uwaterloo.ca/~cchieh/cact/c120/yields.html
http://www.tutorvista.com/search/how-to-calculate-percent-yield-chemistry
ReplyDelete