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Net Ionic Equations and Reactions

Net Ionic Equations and Reactions

Assessment

Interactive Video

•

Chemistry

•

10th - 12th Grade

•

Practice Problem

•

Hard

Created by

Aiden Montgomery

FREE Resource

The video tutorial explains how to write a balanced net ionic equation for the reaction between hydrobromic acid (HBr) and calcium hydroxide (Ca(OH)2). It begins by balancing the molecular equation, assigning states to each substance, and then splitting strong electrolytes into their ions to form the complete ionic equation. Spectator ions are identified and removed to derive the net ionic equation. Finally, the equation is simplified, ensuring charge and matter conservation.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in writing a net ionic equation?

Balance the molecular equation

Write the states of substances

Simplify the equation

Identify spectator ions

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a strong acid that dissociates completely in water?

HF

HBr

H2SO4

HCl

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What state symbol is used for substances that dissociate completely in water?

(l)

(g)

(s)

(aq)

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the charge of the calcium ion in the complete ionic equation?

2+

1+

1-

2-

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which ions are considered spectator ions in the reaction between HBr and Ca(OH)2?

Hydrogen ions

Calcium ions

Hydroxide ions

Bromide ions

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the net ionic equation for the reaction between HBr and Ca(OH)2?

2H+ + 2OH- → 2H2O

Ca2+ + 2Br- → CaBr2

H+ + OH- → H2O

HBr + Ca(OH)2 → CaBr2 + H2O

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why do we not split liquids into ions in net ionic equations?

They are spectator ions

They are not reactive

They do not dissociate

They are already balanced

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