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Name: __________ 1. Practice Formulas, Equations, and RXNS Test 7. Given the reaction: 2 SO2(g) + O2(g) « 2 SO3(g) What type of reaction is shown above? Mg(s) + 2 AgNO 3(aq) ® Mg(NO3)2(aq) + 2 Ag(s) A) double replacement B) decomposition Which type of reaction is represented? C) single replacement A) decomposition D) synthesis B) synthesis 2. Which equation is correctly balanced? A) Ca + Cl 2 Ca2Cl B) H 2 + O 2 H 2O C) Ca + Cl 2 CaCl D) 2 H2 + O 2 C) single replacement D) double replacement 8. Given the incomplete equation for the combustion of ethane: 2 H 2O 2C 2H 6+ 7O2 4CO2 + 6 ___ What is the formula of the missing product? 3. Given the incomplete equation: 4Fe + 3O 2 2X Which compound is represented by X? A) Fe 2O3 B) Fe 3O2 C) FeO D) Fe 3O4 A) NaSO4 B) NaSO3 C) Na2SO4 D) Na2SO3 B) iron(II) sulfate B) Fe 3O2 C) Fe 2O3 D) FeO C) HCOOH D) CH3OH A) Cu(OH)2 B) CuOH 2 C) Cu2(OH) D) CuOH A) Ni(ClO)2 B) Ni(ClO)3 C) NiCl 2 D) NiClO 2 11. The chemical formula for nickel (II) bromide is 6. What is the chemical formula for iron(III) oxide? A) Fe 3O B) H 2O2 10. What is the chemical formula for nickel (II) hypochlorite? 5. What is the IUPAC name for the compound FeS? C) Iron(III) sulfide D) iron(III) sulfate A) H 2O 9. What is the chemical formula for copper(II) hydroxide? 4. What is the chemical formula for sodium sulfate? A) iron(II) sulfide Date: __________ A) N2Br B) NBr 2 C) Ni 2Br D) NiBr2 12. A balanced equation representing a chemical reaction can be written using A) chemical formulas and mass numbers B) chemical formulas and coefficients C) first ionization energies and mass numbers D) first ionization energies and coefficients Page 1 Ms. Kavner Practice Formulas, Equations, and RXNS Test 13. Given the unbalanced equation: 19. Which is the formula for the compound that forms when magnesium bonds with phosphorus? When the equation is correctly balanced using the smallest whole-number coefficients, the coefficient for H 2O is A) 1 B) 2 C) 3 A) Mg2P 3 B) Mg2P C) MgP2 D) Mg3P 2 20. Given the unbalanced equation: D) 4 14. Which formula represents strontium phosphate? A) Sr2(PO4)3 B) Sr3(PO4)2 When the equation is correctly balanced using the smallest whole-number coefficients, what is the coefficient of CO? C) SrPO4 D) Sr3PO 8 A) 1 B) 2 C) 3 D) 4 15. Which equation represents a decomposition reaction? A) 2H 2(g) + O 2(g) ® 2H2O(l) B) CaCO 3(s) ® CaO(s) + CO 2(g) C) KOH(aq) + HCl(aq) ® KCl(aq) + H 2O(l) D) Cu(s) + 2AgNO 3(aq) ® 2Ag(s) + Cu(NO 3)2(aq) 16. The correct name for the compound NaClO 3 is sodium A) chloride B) chlorite C) perchlorate D) chlorate 17. What is the formula of titanium(II) oxide? A) TiO B) TiO 2 C) Ti 2O3 D) Ti 2O 18. Given the balanced equation: 2 Na + 2 H2O ® 2 X + H2 What is the correct formula for the product represented by the letter X? A) NaOH B) NaO C) Na2OH D) Na2O Page 2 Ms. Kavner Practice Formulas, Equations, and RXNS Test 21. Given the unbalanced equation: When the equation is balanced using the smallest whole-number coefficients, what is the coefficient of Al? A) 1 B) 2 C) 3 D) 4 22. What is the name of the polyatomic ion in the compound Na2O2? A) peroxide B) oxide C) hydroxide D) oxalate 27. What type of reaction is shown above? A) decomposition B) single replacement 23. Which formula represents copper(I) oxide? A) Cu2O B) CuO C) CuO2 D) Cu2O2 2 NH3(g) « N2(g) + 3 H2(g) C) double replacement D) synthesis 24. A metal, M, forms an oxide compound with the general formula M 2O. In which group on the Periodic Table could metal M be found? A) Group 2 B) Group 16 C) Group 1 D) Group 17 25. Given the balanced equation representing a reaction: Which type of reaction is represented by this equation? A) double replacement B) single replacement C) decomposition D) synthesis 26. Which balanced equation represents a single-replacement reaction? A) MgCl2 + 2AgNO 3 B) MgCO 3 C) 2Mg + O 2 2AgCl + Mg(NO3)2 MgO + CO2 2MgO D) Mg + 2AgNO 3 Mg(NO3)2 + 2Ag Page 3 Ms. Kavner Practice Formulas, Equations, and RXNS Test 28. Given the unbalanced equation: What is the coefficient of O 2 when the equation is balanced correctly using the smallest whole number coefficients? A) 1 B) 2 C) 3 D) 4 29. If an equation is balanced properly, both sides of the equation must have the same number of A) moles of molecules B) coefficients C) molecules D) atoms 30. Which two solutions, when mixed together, will undergo a double replacement reaction and form a white, solid substance? A) KCl(aq) and AgNO 3(aq) B) NaNO 3(aq) and AgNO 3(aq) C) NaCl(aq) and LiNO 3(aq) D) KCl(aq) and LiCl(aq) Page 4 Ms. Kavner