Balancing Chemical Equations Concepts

In this video, Dr. B demonstrates how to balance the chemical equation involving barium nitride and water. The process begins with counting the atoms on each side of the equation, followed by balancing barium, nitrogen, and hydrogen atoms. The video emphasizes the importance of leaving hydrogen and oxygen balancing until the end. The tutorial concludes with a balanced equation and a reminder of the strategy used.

What is the initial number of barium atoms on the reactant side of the equation?

• 4

• 2

• 1

• 3

How many hydrogen atoms are initially present on the product side?

• 3

• 6

• 2

• 5

What coefficient is used to balance the barium atoms?

• 2

• 3

• 4

• 1

After balancing barium, how many hydrogen atoms are there in total?

• 6

• 9

• 7

• 8

What coefficient is placed in front of ammonia to balance nitrogen atoms?

• 1

• 2

• 3

• 4

How many hydrogen atoms are there after balancing nitrogen?

• 11

• 10

• 12

• 13

What coefficient is used in front of water to balance hydrogen atoms?

• 7

• 5

• 6

• 4

How many oxygen atoms are there after the final adjustments?

• 6

• 9

• 8

• 7

What is a helpful tip for balancing chemical equations?

• Balance metals first

• Start with hydrogen and oxygen

• Leave hydrogen and oxygen till last

• Balance non-metals first

Who is the presenter of the video?

• Dr. D

• Dr. A

• Dr. B

• Dr. C