Friday, 12/16 B Sched-Forum 5 more days! In this reaction, 2Mg+O 2 →2MgO You have 10 moles of Mg and 7 moles of O 2. Which is your limiting reactant? How.

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Presentation transcript:

Friday, 12/16 B Sched-Forum 5 more days! In this reaction, 2Mg+O 2 →2MgO You have 10 moles of Mg and 7 moles of O 2. Which is your limiting reactant? How many moles of you excess reactant will you have left? You must have the answer for credit! Have your homework notes out from yesterday. In this reaction, 2Mg+O 2 →2MgO You have 10 moles of Mg and 7 moles of O 2. Which is your limiting reactant? How many moles of you excess reactant will you have left? You must have the answer for credit! Have your homework notes out from yesterday.

Turn in your homework. Homework: Read 12.1, Take notes, do the Concept Check questions on pages 427 and 429 Turn in your homework. Homework: Read 12.1, Take notes, do the Concept Check questions on pages 427 and 429

Partner Quiz-Work with one partner One paper for each student Answers must AGREE! If one is wrong, both are wrong. It can only help your grade. Partner Quiz-Work with one partner One paper for each student Answers must AGREE! If one is wrong, both are wrong. It can only help your grade.

Extra Credit: 5 point If you have 10 grams of each of your reactants, which one is the limiting reactant. How much of the excess reactant do you have? Done?....Start your homework! Extra Credit: 5 point If you have 10 grams of each of your reactants, which one is the limiting reactant. How much of the excess reactant do you have? Done?....Start your homework!

Put your bellwork sheet away and keep it for next week! You ‘ll need a calculator and a pencil. Put Everything else away. No purses or backpacks on desktop. After your quiz.. Do not get up! Turn it over and start your extra credit. Talking once -5 pts, talking again? Zero and referral. Put your bellwork sheet away and keep it for next week! You ‘ll need a calculator and a pencil. Put Everything else away. No purses or backpacks on desktop. After your quiz.. Do not get up! Turn it over and start your extra credit. Talking once -5 pts, talking again? Zero and referral.

 Seated  Quiet  No Trash  Seated  Quiet  No Trash

Forum You must have a product (skit, poster, model) done by the end of the block. As a forum, we’ll choose the best one. If you are bringing food next Friday (Thank You!)…get an info sheet! Forum You must have a product (skit, poster, model) done by the end of the block. As a forum, we’ll choose the best one. If you are bringing food next Friday (Thank You!)…get an info sheet!

Al + 3AgNO 3  Al(NO 3 ) 3 +3Ag Mg+2H 2 O  Mg(OH) 2 +H 2 Al + 3AgNO 3  Al(NO 3 ) 3 +3Ag Mg+2H 2 O  Mg(OH) 2 +H 2

Partner Quiz Tomorrow December test next Friday Notes out for checking Partner Quiz Tomorrow December test next Friday Notes out for checking

kLimiting Reactant-Reactant that is all used up and stops or limits the reaction. It determines how much product is made. kExcess Reactant-Reactant that won’t be all used up when the reaction is finished. (Other terms: excess, ample, plenty) kLimiting Reactant-Reactant that is all used up and stops or limits the reaction. It determines how much product is made. kExcess Reactant-Reactant that won’t be all used up when the reaction is finished. (Other terms: excess, ample, plenty)

kTheoretical yield-the amount of a product that stoichiometry predicts can be made. kActual yield-The actual amount of product made. kTheoretical yield-the amount of a product that stoichiometry predicts can be made. kActual yield-The actual amount of product made.

C 3 H 8 + O > CO 2 + H 2 O

Go to lunch back at…. 11:25 Go to lunch back at…. 11:25