Chemical Equation Represents a Decomposition Reaction

EQUATION PRACTICE WORKSHEET Which balanced chemical equation represents a single replacement reaction? A) Cl₂(g) + 2KI(aq) → 2KCl(aq) + I₂(aq) B) C₂H₄(g) + 3O₂(g) → 2CO₂(g) + 2H₂O(g) C) KCl(aq) + AgNO₃(aq) → KNO₃(aq) + AgCl D) 2H₂O(l) → 2H₂(g) + O₂(g) Which balanced chemical equation represents a synthesis reaction? A) Zn(s) + 2HCl(aq) → ZnCl₂(aq) + H₂(g) B) 2Al(s) + 3Cl₂(g) → 2AlCl₃(s) C) C₂H₄(g) + 3O₂(g) → 2CO₂(g) + 2H₂O(g) D) MgBr₂(l) → Mg(l) + Br₂(g) What general type of chemical reaction is illustrated in the particle diagram below? particle diagram showing two molecules combining to form a larger molecule A) decomposition B) synthesis C) single replacement D) double replacement Questions 4 and 5 refer to the following: In the particle diagram below, represents an atom of element A, represents an atom of element B, and represents an atom of element C.   particle diagram showing a reaction between three elements Which equation best describes the reaction shown in the diagram? A) 2AB + C → A₂C + B₂ B) A + B₂C → AB₂ + C C) A + BC → AC + B D) A + 2BC → AB₂ + C₂ What general type of reaction is illustrated in the diagram? A) synthesis B) double replacement C) single replacement D) decomposition   When the equation C₃H₈ + 5O₂ → _____ CO₂ + _____ H₂O is correctly balanced using the smallest whole-number coefficients, the coefficient of O₂ is A) 16 B) 8 C) 1 D) 12 Given the unbalanced equation: Li + N₂ → Li₃N When the equation is correctly balanced using smallest whole numbers, the coefficient of the lithium is A) 1 B) 2 C) 3 D) 6   Formulas, Naming, and Reaction Type Worksheet NAME: Which of the following is the formula of a binary compound? A) BaSO₄ B) MgCl₂ C) BiPO₄ D) MgSO₄ What is the chemical formula for nitrogen (I) oxide? A) NO₂ B) NO C) N₂O D) N₂O₄ What is the correct formula for potassium oxide? A) P₂O B) K₂O C) PO₂ D) KO₂ What is the formula for titanium (III) oxide? A) Ti₂O₄ B) Ti₂O₃ C) Ti₃O₂ D) TiO What is the formula for the compound that forms when magnesium bonds with phosphorus? A) MgP₂ B) Mg₂P C) Mg₂P₃ D) Mg₃P₂ If represents an atom of carbon and represents an atom of fluorine, which particle diagram correctly represents a molecule of carbon (IV) fluoride? [Image with four particle diagrams showing different arrangements of carbon and fluorine atoms] What is the correct name for the compound with the formula CrPO₄? A) chromium (III) phosphide B) chromium (III) phosphate C) chromium (II) phosphate D) chromium (II) phosphide What is the chemical formula for sodium oxalate? A) Na₂O B) Na₂C₂O₄ C) NaClO D) NaC₂H₃O₂ What is the chemical formula for copper (II) chlorate? A) CuCl₂ B) Cu₂ClO₃ C) Cu(ClO₃)₂ D) Cu₂Cl An example of an empirical formula is A) C₂H₂ B) H₂O₂ C) C₂Cl₂ D) CaCl₂ The chemical reaction 4Na(s) + O₂(g) → 2Na₂O(s) is best described as a A) double replacement reaction B) synthesis reaction C) decomposition reaction D) single replacement reaction 1   12. Which balanced chemical equation represents a synthesis reaction? A) Al(s) + 3Br₂(l) → 2AlBr₃(s) B) MgBr₂(l) → Mg(l) + Br₂(g) C) C₂H₄(g) + 3O₂(g) → 2CO₂(g) + 2H₂O(g) D) Zn(s) + 2HCl(aq) → ZnCl₂(aq) + H₂(g) 13. What type of reaction is illustrated by the following chemical equation? 2H₂O(l) → 2H₂(g) + O₂(g) A) decomposition B) single replacement C) double replacement D) synthesis 14. Which chemical equation best represents a decomposition reaction? A) KCl(aq) + AgNO₃(aq) → KNO₃(aq) + AgCl(s) B) H₂CO₃(aq) → H₂O(l) + CO₂(g) C) 2Al(s) + 3Cl₂(g) → 2AlCl₃(s) D) 2Na(s) + Cl₂(g) → 2NaCl(s) 15. Which balanced chemical equation represents a single replacement reaction? A) C₂H₄(g) + 3O₂(g) → 2CO₂(g) + 2H₂O(g) B) 2H₂O(l) → 2H₂(g) + O₂(g) C) Cl₂(g) + 2KI(aq) → 2KCl(aq) + I₂(aq) D) KCl(aq) + AgNO₃(aq) → KNO₃(aq) + AgCl(s) 16. What general type of chemical reaction is illustrated in the particle diagram below? [Image of a particle diagram showing two molecules combining to form a larger molecule] A) single replacement B) decomposition C) synthesis D) double replacement 17. What general type of chemical reaction is illustrated in the particle diagram below? [Image of a particle diagram showing one molecule breaking down into two smaller molecules] A) synthesis B) single replacement C) double replacement D) decomposition 18. In the particle diagram below, represents an atom of element A and represents an atom of element B. [Image of a particle diagram showing two molecules combining to form a larger molecule] **Which equation best describes the reaction shown in the diagram?** A) 2A₂B → 2A₂ + B₂ B) 2AB → A₂ + 2B₂ C) 2AB → 2A + B D) 2AB → A + 2B