Replacement Lecture Week 1 (2nd hour Chapter 1.0)

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Chemistry

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12th Grade

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11 Slides • 6 Questions

Replacement Lecture Week 1

(2nd hour Chapter 1)

Chemistry Lecture Group E1

5/8/2021

9.00pm-10.00pm

Prepared by : Mdm Farhana

Content for today

Introduction
Video (duration 2 mins) - Balancing chemical equation using inspection method
Objective question 1 & 2
Video (duration 29 mins) -Balancing redox equation (acidic medium)
TASK 1 (15 mins) & submission via Google Classroom
Video (duration 5 mins) - Balancing redox equation (basic medium)
Video (duration 3mins) - Introduction of limiting reactant

Content for today

Objective Questions 3 & 4
Video (duration 3 mins) - Percentage yield
Objective Questions 5
Total duration = 1 hour

Multiple Choice

__ Al + __ FeO → Al₂O₂ + __ Fe

1, 1, 2

2,1,2

2, 2, 2

2,4,2

Multiple Choice

Balance this equation

_Zn+_HCl-->_ZnCl₂+_H₂

1,1,2,1

1,1,1,2

1,2,1,1

2,1,1,1

Task 1: Balance the following redox equation in acidic medium

Please answer the question on a paper. Once it's done, click on the next slide in order to submit the task.

Submission of Task 1

Please go to your Google Classroom apps & upload the solution for task 1

Multiple Choice

What is a limiting reactant?

the reactant that is completely consumed in a reaction & it control/limit the quantity of product formed.

the reactant that is in excess

the product that you can make the most of

the amount of reactants that react with each other

Multiple Choice

You need 2 pieces of bread, 1 tablespoon of peanut butter and 2 tablespoons of jelly to make a sandwich. If you have 10 pieces of bread, 4 tablespoons of peanut butter and 20 tablespoons of jelly, which one is the limiting reactant?

bread

jelly

peanut butter

sandwich

Multiple Choice

In a lab, a scientist calculate that he should produce 12.3g of product in his experiment. When he finished the experiment, he obtained the product that weigh 10.1g. What is the percentage yield of the reaction?

82%

0.82%

10.1 %

100%

We are done for our lecture session!:)

Thank you for your cooperation. Have a good weekend everyone!

Open Ended

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Replacement Lecture Week 1

(2nd hour Chapter 1)

Chemistry Lecture Group E1

5/8/2021

9.00pm-10.00pm

Prepared by : Mdm Farhana

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