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Balancing Chemical Equations

Q. Balance the following equation: K2CrO4 + Na2SO3 + HCl → KCl + Na2SO4 + CrCl3 + H2O Generally coefficients of 1 are omitted from balanced chemical equations. When entering your answer, include coefficients of 1 as required for grading purposes. Enter the coefficients for each compound, separated by commas, in the order in which they appear in the equation (e.g., 1, 2, 3, 4, 5, 6, 7).

Solved • Mar 7, 2020

Balancing Chemical Equations

Q. Enter a balanced chemical equation for the reaction of aqueous potassium hydroxide with aqueous iron (III) chloride to form solid iron(III) hydroxide and aqueous potassium chloride. Express your answer as a chemical equation. Identify all of the phases in your answer.

Solved • Mar 10, 2020

Balancing Chemical Equations

Q. When iron rusts, solid iron reacts with gaseous oxygen to form solid iron(III) oxide. Enter a balanced chemical equation for this reaction. Express your answer as a chemical reaction. Identify all of the phases in your answer.

Solved • Mar 10, 2020

Balancing Chemical Equations

Q. Under certain conditions, sodium reacts with oxygen to form sodium superoxide according to the reaction: Na(s) + O2(g) → NaO2(s) A flask contains the amount of oxygen represented by the diagram below. Which image below best represents the amount of sodium required to completely react with all of the oxygen in the flask according to the equation?

Solved • Mar 10, 2020

Balancing Chemical Equations

Q. Enter a balanced chemical equation for the reaction between gaseous hydrogen and fluorine gas. Express your answer as a chemical equation. Identify all of the phases in your answer.

Solved • Mar 10, 2020

Balancing Chemical Equations

Q. Enter a balanced chemical equation for the reaction between potassium metal and liquid water. Express your answer as a chemical equation. Identify all of the phases in your answer.

Solved • Mar 10, 2020

Balancing Chemical Equations

Q. Consider the generic chemical equation A + 3 B → 2 C. Let circles represent molecules of A, squares represent molecules of B, and triangles represent molecules of C. The diagram below represents the amount of B available for reaction. Choose a similar diagram showing the amount of C that forms if B completely reacts.

Solved • Mar 10, 2020