Reactions in Aqueous Solution, chemistry homework help

Question1Identify the spectator ions inthe reaction Ca(NO3)2+ 2NaCl(aq) CaCl2(aq) + 2NaNO3(aq)Select one:a.Na+, NO3-b. Ca+2, NO3-c. Na+, Cl-d. Ca+2, Cl-e. Na+, Cl-, Ca+2,NO3-Question2What is the oxidation numberof N in NH4+Select one:a. 4b. -3c. -4d. 1e. +3Question3What are the spectator ions inthe reaction HF(aq) + NaOH(aq)NaF(aq) + H2O(l)Select one:a. H+, F-b. Na+, OH-c. Na+, F-d. Na+alonee. H+, OH-Question4What is the oxidation numberof S in S2O3-2?Select one:a. -3b. 2c. 3d. 4e. -2Question5Identify the oxidizing agentin the reaction: Cl2+ 2Br- 2Cl-+ Br2Select one:a. Br-b. Cl2c. Br2d. Cl-Question6What is the molarity of thesolution formed by dissolving 10.0g of Ca(NO3)2in 250mL aqueous solution?Question7Consider the reaction H2SO4(aq)+ 2NaOH(aq) 2H2O(l) +Na2SO4(aq).If 25 mL of H2SO4was needed to react with 15 mL of0.20 M NaOH, what is the molarity of the H2SO4(aq)?Question8Which of the following is aweak electrolyte?Select one:a. HF(aq)b. NH4Cl(aq)c. CaCl2(aq)d. CH3OH(aq)e. HCl(aq)Question9Identify the reducing agent inthe reaction Ca + 2H+Ca+2+ H2Select one:a. H2b. Cac. Ca+2d. H+Question10Chromium is less active thanManganese but more active than Cobalt. Which of the following reactions willoccur?Select one:a. Co + Cr+3 Co+2+Crb. Mn + Cr+3 Mn+2+Crc. Co+2+ Cr+3 Co+Crd. Co + Cr Co+2+Cr+3e. Mn + Cr Mn+2+Cr+3Question11Which of the following is astrong electrolyte?Select one:a. HCl(aq)b. NH4Cl(aq)c. CaCl2(aq)d. All of them aree. None of them areQuestion12Identify the spectator ions inthe reaction: Ca(NO3)2(aq) + Na2CO3(aq)CaCO3(s) + 2NaNO3(aq)Select one:a. Na+, NO3-b. Ca+2, CO3-2c. Ca+2, NO3-d. All aree. Na+, CO3-2Question13Which of the following is anonelectrolyteSelect one:a. CH3OH(aq)b. CaCl2(aq)c. NH4Cl(aq)d. HCl(aq)e. NH3(aq)Question14Consider the reaction Mg(OH)2(s)+ 2HCl(aq) MgCl2(aq)+2H2O(l). What is the mass of Mg(OH)2(s) needed to reactwith 25 ml of 0.20 M HCl(aq)?Question15What is the coefficient of H2Owhen the following reaction is balanced: Al(OH)3(s) + H2SO4(aq)Al2(SO4)3(s) +H2O(l)Question16Which of the following willdissociate completely in dilute aqueous solutions?Select one:a. CaCO3(s)b. CO2(g)c. NH4Cl(aq)d. H2O(l)e. HF(aq)Question17Complete & Balance thefollowing Reaction: Fe(NO3)3(aq) + Na2S(aq) ? + ?Question18In which of the following isthe oxidation number of the Cl +1?Select one:a. HClOb. HClc. HClO2d. HClO3e. Cl2Bottom of FormBottom of Form