Name: Date: Period L3 Aim: How can we predict the products of Neutralization Reactions? Do Now: Using the graph shown, What is the pH of your stomach? Many stomach aches are caused by too much stomach acid. What would you need to add to your stomach to change the PH back to the normal level? HCI (aq) + NaOH(2q) - H2() + NaCl(2q) Identify each substance as Acids (A) , Bases (B) or Salt (S) NaOH H2SOA NaCl K, POA General Formula of a Neutralization Reaction: CaSOA Ca(NO 3) 2 HNO 3 KOH Definition: 1. Instructions: For each compound, show the ions they will form when dissolved in water. These reactions are called neutralization reactions. Can you predict their products? B. HNO 3(aq) + KOH (aq) + A. HBF (aq) + NaOH(2q)- + c. H2SO 4laq) + Sr(OH) 2 (aq) D. HCI (ag) + Mg(OH)2(aq) + E. H2SO 4(ag) + NaOH(24) - + F. HCI (20)+ AI(OH)3 (2q)- +1. Which equation represents a neutralization reaction? 1) 4Fe(s) + 30,(g) - Fe,O, (s) 10. As an acid solution is added to neutralize a base solution, 2) 2H,(g) + 0,(8) - 2H,O(0) the OH concentration of the base solution 1) decreases HNO;(aq) + KOH(aq) - KNO,(aq) + H,O(() 3) remains the same 2) increases 4) AgNO,(aq) + KCI(aq) - KNO,(aq) + AgCI(3) 11. Given the neutralization reaction: 2. Which reactants form the salt CaSO,(s) in a neutralization reaction? H,SO, + 2 KOH > K,SO, + 2 HOH 1 ) H, S(g) and Ca(CIO),(s) H,SO;(aq) and Ca(NO, ),(aq) Which compound is a salt? 3 ) H,SO,(aq) and Ca(OH),(aq) 1) KOH 3) K,SO 4 ) SO,(g) and CaO(s) 2) H.SO 4) HOH 3. Sulfuric acid, H.SO,(aq), can be used to neutralize barium 12. Which compound is a salt? hydroxide, Ba(OH),(aq). What is the formula for the salt 1) NaNO 3) CH,COOH produced by this neutralization? 2) H,PO. 4) Ca(OH), 1) BaS 3) BaSO; 2) BaSO, 13. Which substance is always produced in the reaction 4) BaSO. between hydrochloric acid and sodium hydroxide? 4. Which compound could serve as a reactant in a 1) water 3) oxygen gas neutralization reaction? 2) hydrogen gas 4) a precipitate 1) NaCl 3) CH,OH 14. Which equation represents a neutralization reaction? 2) KOH 4) CH, CHO 1) CaO - H,O - Ca( OH), 5. Which reaction occurs when hydrogen ions react with 2) 2 HCI + Za _ ZnCl, + H, hydroxide ions to form water? 3) H,SO, - CaCO; - CaSO, + H,O+ CO, 1) substitution 3) ionization 4) HNO; + KOH - KNO, - H,O 2) saponification 4) neutralization 15. When hydrochloric acid is neutralized by sodium 6. Which equation represents a neutralization reaction? hydroxide, the salt formed is sodium 1) Na,CO, + CaCl, - 2 NaCl + CaCO, 1) hydrochlorate 3) chloride 2) Ni(NO;)2 - H,S - NiS + 2 HNO, 2) chlorate 4) perchloride 3) NaCI - AgNO; - AgCI - NaNO, 16. When NaOH(aq) reacts completely with HCI(aq) and the 4) H,SO, + Mg(OH), -MeSO4 + 2 HO resulting solution is evaporated to dryness, the solid remaining is 7. Which type of reaction will produce water and a salt? 1) an ester 3) a salt 1) saponification esterification 2) an alcohol 2) fermentation 4 ) neutralization 4) a metal 17. Which products are formed when an acid reacts with a base? 8. Equal volumes of 0.1 M NaOH and 0.1 M HCI are thoroughly mixed. The resulting solution has a pH closest to 1 ) an alcohol and carbon dioxide 3 ) 3 2) an ester and water 1) 5 3 ) 2) 7 4) 9 a soap and glycerine 4) a salt and water 9. Which reaction occurs when equivalent quantities of H (or H,O") and OH are mixed? 1) oxidation 3) hydrolysis 2) reduction 4) neutralization