Mastering Stoichiometry Through BCA Charts And Chemical Reactions

Mastering Stoichiometry Through BCA Charts And Chemical Reactions

Assessment

Interactive Video

Chemistry, Science, Mathematics

9th - 10th Grade

Hard

Created by

Patricia Brown

FREE Resource

The video tutorial covers stoichiometry, focusing on BCA charts to track chemical quantities in reactions. It explains balancing chemical equations visually, calculating moles and coefficients, and ensuring mass conservation by converting moles to grams. The tutorial uses calcium hydride and water reacting to form calcium hydroxide and hydrogen gas as an example, demonstrating the stoichiometric calculations and the importance of mole ratios.

Read more

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main purpose of using BCA charts in stoichiometry?

To determine the color change in a reaction

To measure the temperature of a reaction

To track the quantities of chemicals in a reaction

To calculate the speed of a reaction

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the reaction between calcium hydride and water, what are the products formed?

Calcium oxide and hydrogen gas

Calcium hydroxide and oxygen gas

Calcium hydroxide and hydrogen gas

Calcium carbonate and water

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is it necessary to adjust coefficients when balancing chemical equations?

To ensure the equation is colorful

To maintain the balance of atoms on both sides

To increase the speed of the reaction

To reduce the number of reactants

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the mole ratio of water to calcium hydroxide in the given reaction?

1:1

3:1

2:1

1:2

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If you start with 5 moles of water, how many moles of calcium hydroxide are produced?

5 moles

2.5 moles

10 moles

1 mole

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to the reactants in a complete stoichiometric reaction?

They remain unchanged

They are completely converted to products

They are partially converted to products

They disappear

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many moles of hydrogen gas are produced from 5 moles of water?

10 moles

5 moles

2.5 moles

1 mole

Create a free account and access millions of resources

Create resources
Host any resource
Get auto-graded reports
or continue with
Microsoft
Apple
Others
By signing up, you agree to our Terms of Service & Privacy Policy
Already have an account?