CHEM 1127Q Final: CHEM1127 Exam 2 2015 Fall

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CHEM 1127Q Full Course Notes

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2- (aq) + ba2+ (aq) + 2oh- (aq) 2na+ (aq) + 2oh- (aq) + baso4 (s) 2- (aq) + ba2+ (aq) + 2oh- (aq) ba2+ (aq) + so4. Identify all of the spectator ions in the reaction below. Ca2+ (aq) + 2br- (aq) + 2li+ (aq) + co3. 2- (aq) caco3 (s) + 2li+ (aq) + 2br- (aq: ca2+ and li, br- and co3. 2: br- and li, caco3, ca2+, br-, li+ and co3. + and cl- ions is the dominant force: what is the molarity of h+ in a solution formed by mixing 25. 00 ml of 0. 2345 m ba(oh)2 with 100. 00 ml of. 0. 1542 m hcl: 7. 646 x 10-2 m, -7. 646 x 10-2 m, 8. 03 x 10-2 m, 2. 956 x 10-2 m, 3. 695 x 10-3 m, vinegar is a solution of acetic acid, ch3cooh, dissolved in water. A 5. 54 g sample of vinegar is neutralized by.

Related Questions

1. Which of the following equations represents the proper net ionicequation for the precipitation of an insoluble carbonate compoundfrom Pb(NO3)2 (aq) and Na2CO3 (aq)?

Na2CO3 (aq) + Pb(NO3)2 (aq) ----> 2 NaNO3 (aq) + PbCO3 (s)
Pb2+ (aq) + CO32- (aq) ----> PbCO3 (s)
Na2CO3 (aq) + 2 NO3- (aq) ----> 2 NaNO3 (s) + CO32- (aq)
NO3- (aq) + Na+ (aq) ----> NaNO3 (s)
CO32- (aq) + Pb(NO3)2 (aq) ----> PbCO3 (s) + 2 NO3- (aq)
3 CO32-(aq) + 2 Pb3+(aq) ----> Pb2(CO3)3(s)
Na2+ (aq) + (NO3)2- (aq) ----> Na2(NO3)2 (s)
Na2CO3 (aq) + Pb(NO3)2(aq) ----> Na2(NO3)2 (aq) + PbCO3(s)
Pb+(aq) + CO3-(aq) ----> PbCO3 (s)

2. Which of the following equations represents the proper net ionicequation for the complete neutralization reaction between thestrong base, LiOH (aq) and the weak acid H2SO3 (aq) ?

H2SO3 (aq) + 2 OH-(aq) ---> 2 H2O (l) + SO32-(aq)
H2SO3 (aq) + 2 LiOH (aq)---->2 H2O (l) + Li2SO3 (aq)
SO32- (aq)+ 2 Li+(aq)----> Li2 SO 3 (aq)
H2+ (aq) + 2 OH- (aq) ----> 2 H2O (l)
H+ (aq) + OH- (aq) ----> H2O (l)
H+ (aq) + LiOH (aq) ----> H2O (l) + Li+ (aq)
H+ (aq) + Li+ (aq) ----> HLi (aq)
SO32- (aq) + OH- (aq) ----> HSO4 (aq)

3. What are the spectator ions in the solution after completelyprecipitating an insoluble sulfide compound when mixing Na2S (aq)and ZnBr2 (aq)?

Na+ , S2- , Zn2+ , and Br-
S2- and Zn2+
Br- and S2-
S2- and Na+
Na+ and Zn2+
Br- and Zn2+
Zn2+
Br-
Na+ and Br-
Na+

4. What are the spectator ions in the solution after the completeneutralization reaction occurs when mixing the weak acid HCN (aq)and the strong base NaOH (aq)?

H+ , CN-, Na+ , and OH-
OH- and Na+
H+ and OH-
Na+
OH- and CN-
Na+ and CN-
Na+ and H+
CN- and H+
CN-

Part A.)The net ionic equation for the reaction between aqueous solutions of Li2CO3 and CaCl2 is ______?

2Li+(aq) + CO32-(aq) --> Li2CO3

2Li+(aq) + 2Cl-(aq) -->2LiCl(aq)

Li+(aq) + Cl-(aq) --> LiCl(aq)

Ca2+(aq) + CO32- (aq) --> CaCO3

there is no reaction when these solutions are combined

Part B.) Sulfur and fluorine react in a combination reaction to produce sulfur hexafluoride:

S + 3 F₂ ---> SF₆

You place 3.5 g sulfur and 4.5 g fluorine in a reaction flask.

The maximum amount of SF₆ that can be produced from the reaction is __________ g.

Part C.) In the following reaction what is the oxidizing agent?

4 Na(s) + O₂(g) --> 2 Na₂O(s)

		Na
		O₂
		Na₂O
		NaCl
		This is NOT a redox reaction

CHEM 1127Q Final: CHEM1127 Exam 2 2015 Fall

CHEM 1127Q Full Course Notes

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