How To Balance Equations - Part 2

How To Balance Equations - Part 2

Assessment

Interactive Video

Science, Physics, Chemistry

6th Grade - University

Hard

Created by

Quizizz Content

Used 1+ times

FREE Resource

The video tutorial covers the solubility of sodium hydroxide and the general insolubility of other hydroxides. It provides a detailed guide on balancing chemical equations using a table to track atoms on both sides of the equation. The tutorial emphasizes the importance of adjusting only the coefficients of compounds, not breaking bonds, and includes practice exercises. It also addresses balancing charges in reactions, using the oxidation of cobalt as an example, and highlights the principle that no atoms or charges can be created or destroyed. The video aims to build confidence in balancing equations and recognizing the need to balance charges.

Read more

5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary method suggested for balancing chemical equations?

Changing the subscripts of compounds

Using a table to track atoms

Breaking chemical bonds

Adding new elements

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When balancing chemical equations, what can you change to achieve balance?

The chemical bonds

The coefficients of compounds

The subscripts of atoms

The type of elements

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What should you do if you make a mistake while balancing an equation?

Add more elements

Ignore the mistake

Change the chemical formula

Redraw the table and recount atoms

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the context of balancing chemical reactions, what must also be balanced besides atoms?

The pressure

The volume

The charges

The temperature

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the key rule about balancing chemical equations and charges?

Only atoms need to be balanced

Only charges need to be balanced

Atoms and charges must remain constant

Atoms and charges can be created or destroyed