3. Chemical Reactions

Balancing Chemical Equations

Open Question
Balance the chemical reaction equation P₄(s) + Cl₂(g) → PCl₅(g)
Multiple Choice
Which of the following is the balanced chemical equation for the reaction between lithium (Li) and chlorine gas (Cl₂) to form lithium chloride (LiCl)?
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Open Question
For the following balanced equation, which has the highest coefficient? 4 H₂ + 2 C → 2 CH₄
Multiple Choice
Which of the following is the correctly balanced equation for the reaction between hydrogen gas and oxygen gas to form water?
Multiple Choice
What is the balanced chemical equation for the reaction between hydrochloric acid (HCl) and barium hydroxide (Ba(OH)₂)?
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Open Question
Write the balanced equation for the following by inserting the correct coefficients in the blanks.
___ Al₄C₃ (s) + ___ H₂O (l) → ___ Al₂O₃ (s) + ___ CH₄ (g)
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Open Question
Solid aluminum sulfide reacts with water to form solid aluminum hydroxide and gaseous hydrogen sulfide.
Multiple Choice
Which of the following is the correctly balanced chemical equation for the reaction between barium hydroxide and nitric acid?
Multiple Choice
Which of the following is the correctly balanced chemical equation for the reaction: Ca3N2(s) + H2O(aq) → Ca(OH)2(aq) + NH3(g)?
Open Question
When the following equation is balanced the coefficients are
Open Question
How many moles of o2 are in the chemical equation when balanced using the lowest whole numbers?
Multiple Choice
Which of the following is the correctly balanced chemical equation for the reaction of lead(II) oxide with ammonia to produce lead, nitrogen gas, and water?
Open Question
Solid iron(iii) oxide reacts with hydrogen gas to form solid iron and liquid water.
Open Question
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.
Multiple Choice
Which of the following is the balanced equation for the reaction between NaNO3(aq) and KCl(aq)?