4.) (20%) Which one of the following is an acid base reaction? a) C(s) + O2(g)...
Which of the following is an acid-base reaction? C(s) + O2(g) → CO2(g) 2 HBrO4(aq) + Ba(OH)2(aq) → 2 H2O(l) + Ba( BrO4)2(aq) Cu(s) + 2 AgNO3(aq) → 2 Ag(s) + Cu(NO3)2(aq) MgSO4(aq) + Ba (NO3)2(aq) → Mg(NO3)2(aq) + BaSO4(s) None of the above is an acid-base reaction.
18) Which of the following is an acid-base reaction? A) Fe(s) + 2 AgNO3(aq) - 2 Ag(s) + Fe(NO3)2(aq) B) MgSO4(aq) + Ba(NO3)2(aq) -- Mg(NO3)2(aq) + Baso C) C(s) + O2(g) - CO2(g) (D) 2 HCIO 4(aq) + Ca(OH)2(aq) → 2 H2O(l) + Ca(C1O4)2 E) None of the above are acid base reactions. 1 Determine the oxidation state of P in PO 33-. A-3 B) 0 C) +6
HNO C H,504 Question 98 (0.05 points) Which of the following is an acid-base reaction? Question 98 options: C C(s)+02(g) CO2(g) С 2 HC104(aq) + CalOH)2(aq) 2 H2O(l) + Ca(C104)2(aq) C Fe(s) + 2 AgNO3(aq)-> 2 Ag(s) + Fe(NO3)2(aq) MgSO4(aq)+ Ba(NO3)2(aq)Mg(NO3)2(aq)+Bas04(s) None of the above are acid base reactions. Question 99 (0.05 points) How many electrons are gained or lost in the following half-reaction? Question 99 options: C 1/2 electron is gained C 2 electrons are gained C 1/2 electron...
C2H4O2 A) CH404 CH -LCX A -D-22 b- 1.00-- 09 D- 4) Determine the molarity of a solution formed by dissolving 97.7 g LiBr in enough water to yield 750.0 mL of solution A) 0.130 M B ) 2.30 M C ) 0.768 M D ) 1.50 M E) 1.18 M 5) Which of the following is an acid base reaction? A) MgSO4(aq) + Ba(NO3)2(aq) - Mg(NO3)2(aq) +BaSO4(s) B) 2 HCIO4(aq) + Ca(OH)2(aq) -2 H2O(l) + Ca(C104)2(aq) C) C(s) +...
mine the molarity of a solution formed by dissolving 468 mg of Mg 2 in enough water to yield 50.0 ml. of solution. A) 0.0297 M B) 0.0337 M C) 0.0936 M D) 0.0107 M E) 0.0651 M 8) How many molecules of sucrose (C12H22011, molar mass 342.30 g/mol) are contained in 14.3 mL of 0.140 M sucrose solution? A) 8.29 x 1022 molecules C12H22011 B) 1.21 x 1021 molecules C12H22011 C) 6.15 x 1022 molecules C12H22011 D) 1.63 x...
46. Which species in the reaction below undergoes reduction? H2O(g) + CO(g) -H2(g) + CO2(g) a. H20 b.CO CH2 d. co2 e. None 47. Which species is reduced in the reaction below? (aq) + CIO (aq) + 10 (aq) + C (aq) a. b. H20 c.cr d. 10 e. CIO 48. Which of the following elements generally acts as an oxidizing agent? a. Br2 b.H2 c. Fed . C e. Li 49. What is the oxidation number of Fe in...
for each precipitation reaction , write the net Ionic equation for each acid - base , identify the acid in the reactants for each redox , identidy the lements that are being oxidized and reduced. 2 c8h 18 (g) +25 o2(g) ----16 CO2(g) + 18 h2o k2SO4 (aq) + 2 AgNO3 ( aq ) ----- Ag2SO4(s)+ 2 KNO3 (aq) 4 Na(s) +O2(g) ------ 2 Na2O(s) CH3COOH(aq) +KOH (aq) -------- H2O(l)+ CH3COOK (aq) Ni(NO3) 2(aq) + Mg(OH)2(aq) ------Ni(OH)2(s) +Mg(NO3)2(aq)
Which reaction is an example of an acid-base reaction? O FeCl3 (aq) + 3 KOH(aq) - Fe(OH)3 (s) + 3 KCl(aq) O 2 Hg(1) + O2(g) -2 HgO(s) O 6 HCl(aq) + 2 Al(s) -> 2 AlCl3 (aq) + 3 H2 (g) O H2SO4 (aq) + Ca(OH)2 (aq) - CaSO4 (aq) + 2 H2O(l) H2CO3 (aq) - H2O(l) + CO2 (g)
balance each of the following equations Fall 209 CHM 105.004 Exam 2 Answer all the question in order in the blue book. Plesse leave at least two lines between question and show your calculations for full credit. N-6.023 x 10” particles per mol: R 0.08.205 L-atm/(mol-K) b) Al2(PO4) 3 e) CuSO4-5 H2O 1. Calculate the molar masses of: a) (NH4)2SO4 2. Calculate: a) the number of atoms of calcium in a 10.50 g sample of the metal b) the mass...
1) The net ionic equation for the reaction between aqueous nitric acid and aqueous sodium hydroxide is A) H+ (aq) + HNO3 (aq) + 2OH- (aq) → 2H20 (1) + NO3- (aq) B) HNO3 (aq) + NaOH(aq) → NaNO3(aq) + H20 (1) C) H+ (aq) + OH- (aq) + H2O (1) D) HNO3 (aq) + OH- (aq) + NO3- (aq) + H2O (1) E) H+ (aq) + Na+ (aq) + OH- (aq) → H20 (1) + Na+ (aq) 2) Which...