Question

198 CHAPTER 5 Chemical Reactions Practice Problems 5.24 Determine if the reactions in Problem 500 reversible or irreversible. 5.25 Write the products and balance the follos tion for the complete combustion of ethane CH() + O2(g) —? 5.21 Categorize the following reactions as synthesis, decomposition, or exchange reactions in the forward direction: a. Cuo(s) + 2HCl(aq) —> CuCl2(aq) + H2O(1) b. CH,206(ag) -> 2C,H,O(aq) + 2CO (9) c. 2H269) + O2(8) = 2H2O) 5.22 Categorize the following reactions as synthesis, decomposition, or exchange reactions in the forward direction: a. N2(g) + 3H2(g) = 2NH3(g) b. CH.68) - 202() ----> CO2(g) + 2H2O(g) c. Al(SO4)3(aq) + 6KOH(aq) ► 2Al(OH)3() + 3K SO.(aq) 5.23 Determine if the reactions in Problem 5.21 are reversible or irreversible. 5.26 Write the products and balance the follow tion for the complete combustion of buta C_H109) + O2(g) — ? 5.27 Lisithe similarities between chemical e in organic chemistry and chemical equa biochem.uy 5.28 List the differences between general ch equations and organic chemical equati DISCOVERING THE CONCEPTS INQUIRY ACTIVITY-Oxidation-Reduction Reactic Information Oxidation-reduction reactions, also called redox reactions, can of two ways: (1) they contain metal ions and involve the exchan (inorganic), or (2) they can involve the addition or removal of Ox (organic). Oxidation and reduction reactions always occur ober is oxidized at the same time that the other substance is read reactants can be mixed (a metal and an organic molecule). TABLE 1 Characteristics of Oxidation

Answer 1

5-21 Ca) Cuoes +9HCIcaap Cuclstagp + H2O co Exchange Reaction :since it is an displacement eaction and exchange ot ions takes place 8C6H6 Dcoap t2c02. cg) CeHi2Oe Decoroposition Beaction: since singte reactant dissod ates into tuoo pradudls Synthesis Reaction on combination Reaction Simce two reactant are combining to fomo gne product

5.22 CaJ Na+ 3H2 7 Synthesis Reaction b CHALg)+ 202cg) Co2egp +2H20 cg) combustion Reaction. CO Al2 CsO4 + 3k2S04 displace moent reaction ie double displace ment eaction. 5.23 0 problem 5-a1 Reaction Ca) and Cb) are irreveYsible since ther are indicated by a a o fomard dvection Reaction c 1s reversi ble sinte itis indicated D both anowS

5-24 D problem 5.22 Qeaction a is revers i ble Reaction band c is ire versi ble 5-25 2c03 3H20 Coo 4C02+ 6H20 5-26 +5H20 e) CAHIO9 1302 tg 8CO29) t 10H20 C4HID+ 130 ng