Chapter 1 chemical equation

What is chemical reaction

• water

• Base

• salt

• GAs

• ions

Answer explanation

base bcoz hjbdhjdgs

• A

• B

• C

• D

Answer explanation

True/False: Reactants are written to the right of the reaction arrow in a chemical equation.

• True

• False

Translate the word equation below.

Hydrogen and Carbon Dioxide react to form Carbonic Acid (H₂CO₃).

• $H\ +\ CO_2\ \rightarrow\ H_2CO_3$

• $H\ \rightarrow\ CO_2\ +\ H_2CO_{3_{ }}$

• $H_2\ +\ CO_2\ \rightarrow\ H_2CO_3$

• $H_2\ \rightarrow\ CO_2\ +\ H_2CO_3$

Translate the word equation below.

Sulfur Trioxide reacts with Water to form Sulfuric Acid (H₂SO₄).

• $SO_3\ +\ H_2O\ \rightarrow\ H_2SO_4$

• $SO_3\ \rightarrow\ H_2O\ +\ H_2SO_4$

• $SO_2\ +\ H_2O\ \rightarrow\ H_2SO_4$

• $SO\ \rightarrow\ H_2O\ +\ H_2SO_4$

True/False: Products are written to the right of the reaction arrow in a chemical equation.

• True

• False

The red numbers in the image below represent ________.

• subscripts
• coefficients
• I don't know.
• None of the answers are correct.

The numbers needed to balance the equation are:

• 1, 1, 1, 2
• 1, 1, 2, 2
• 1, 1, 1, 1
• 2, 3, 1, 3

The numbers needed to balance the equation are:

• 2, 7, 6, 4
• 2, 1, 3, 2
• 1, 1, 3, 2
• 2, 3, 1, 3