3. Chemical Reactions

Determine the total sum of the coefficients after balancing the following equation.

___ C₂H₅SH (g) + ___ O₂ (g) → ___ CO₂ (g) + ___ H₂O (l) + ___ SO₂ (g)

___ Ba(OH)₂ + ___ H₃PO₄ → ___ H₂O + ___ Ba₃(PO₄)₂

___NaOH (aq) + ___ H₃PO₄(aq) → ___ H₂O(l) + ___ Na₃PO₄(aq)

Write the balanced equation for the following by inserting the correct coefficients in the blanks.

___ Al₄C₃ (s) + ___ H₂O (l) → ___ Al₂O₃ (s) + ___ CH₄ (g)

Determine the balanced chemical equation when ethanol, C₂H₆O is ignited in the presence of air.

For each molecule of C4H8 that reacts, how many molecules of carbon dioxide and water are produced?

H₃PO₄ + Mg(OH)₂ → Mg₃(PO₄)₂ + H₂O

For the following balanced equation, which has the highest coefficient? 4 H₂ + 2 C → 2 CH₄

Write a balanced equation to show the reaction of aqueous aluminum acetate with aqueous ammonium phosphate to form solid aluminum phosphate and aqueous ammonium acetate.

Enter a balanced chemical equation for the reaction of solid potassium with liquid water.

When aluminum, Al, metal is dipped in an aqueous solution of hydrochloric acid, HCl, hydrogen gas, H₂, is produced with the formation of an aluminum chloride, AlCl₃, solution. Write the balanced chemical equation showing the phases of reactants and products.

Write a balanced chemical equation based on the following description: 

nitrogen gas and oxygen gas react to produce nitrogen monoxide gas

The figure (figure 1) shows the reaction of element a (lavender spheres) with element b (tan spheres). write the balanced chemical equation for this reaction in terms of a and b.

What is the coefficient in front of the no when the equation below is balanced? NH₃(g) + O₂(g) → NO(g) + H₂O(g)

Write a balanced chemical equation based on the following description: 

propanol, C₃H₇OH(l) burns in air to produce gaseous carbon dioxide and water vapor

Write a balanced equation to show the reaction of gaseous ethane with gaseous oxygen to form carbon monoxide gas and water vapor.

Na₂SO₃ represents sodium sulfite. What does the 4 mean in the formula 4 Na₂SO₃?

Which coefficient of O2 is needed to balance the equation C₃H₈ + O₂ → 3 CO₂ + 4 H₂O?

Which are the products in the equation CH₃SH + 4 O₂ → CO₂ + SO₂ + 2 H₂O? Check all that apply.

Based on your experience in the simulation, what do the numbers 3 and 4 refer to in 3 NH₄?

The equilibrium system between hydrogen gas, bromine gas, and hydrogen bromide gas is given.

When balancing a chemical equation, which of the following is/are permissible?

When H₂SO₄ is neutralized by NaOH in aqueous solution, the net ionic equation is ________.

Write a balanced ionic equation for this acid-base reaction: Ca(OH)₂(aq) + 2 CH₃CO₂H(aq) →

How does a balanced chemical equation show that mass is never lost or gained in a chemical reaction?

In a chemical equation, the symbol (aq) indicates that the substance is

Balance the chemical reaction equation P₄(s) + Cl₂(g) → PCl₅(g)

How do you use the coefficient to calculate the number of atoms in each molecule

Which of the following balanced equations correctly represents the dissociation of K₂SO₄ in water?

How does a chemical equation show that matter is always conserved in a chemical reaction?