QUESTION 1 What mass of NaCl is present in 0.50 L of a 0.7 M NaCl...
Identify the spectator ions in the following reaction. Ca2+(aq) + 2NO3(aq) + 2Na+ (aq) + CO32-(aq) → CaCO3(s) + 2Na+(aq) + NO3(aq) a. Na+ and NO 3 - Ob. NO 3 - and CO 3 2- Oc. Ca 2+ and CO 3 d. Ca 2+ and Na+ e. Ca 2+ and NO 3
Identify the spectator ions in the reaction: 2HNO3(aq) + CaCO3(s)—-Ca(NO3)2(aq) + H2O(l) + CO2(8) O NO3 O Cat2 он" co3 Question 20 5 pts Which of the following is a strong electrolyte? A HNO3(aq) B.NH.NO3(aq) C. AI(NO3)3(aq) D. All of the above OA A&C
Question 14 Which of the reactions is/are redox reactions Question 14 1 pts Which of the reactions is/are redox reactions? 2Li(s) + Cl2(e) - 2LiCl(s) HCl(aq) + LiOH(aq) -> H2O(1) + LiCl(aq) KCIO3(s) →KCIO(s) + O2(g) Ca(NO3)2(aq) + Na2CO3(aq) - 2NaNO3(aq) +CaCO3(s) Ca(NO3)2(s) → 2NO3- (aq) + Ca2+(aq)
QUESTION 1 In the commercial manufacture of nitric acid, how many moles of NO2(g) are required to produce 250 grams of nitric acid, HNO3(aq) 3NO2(g) + H20(1) - 2HNO3(aq) + NO(g) 69.5 moles 12.7 moles 23.8 moles 5.95 moles 47.6 moles QUESTION 2 The net ionic equation for the reaction of the strong electrolytes lead nitrate and sodium carbonate to form the precipitate lead carbonate is Pb2+(aq) + CO32-(aq) + 2Na+(aq) + 2NO3- (aq) - PCO3(s) + 2NaNO3(aq) Pb2+(aq) 2NO3"(aq)...
knewton QUESTION 1.1 POINT Which of the following is a process that increases entropy? Select the correct answer below: O Pb²+ (aq) +52 - (aq) PbS(s) O NaCl(s) + Na+ (aq) + CI+ (aq) O Ca²+ (aq) + Co (aq) CaCO3(s) O CaO(s) + CO,(g) + CaCO,(s) Content attribution QUESTION 2 . 1 POINT Suppose a carbohydrate polymer does not fold spontaneously in a living cell. Whic carhohydrate nahimov fuld
d. CH 206 to (complete combustion) e. C6H12O6 to — (incomplete combustion) Net Ionic equations can be written for double displacement and single displacement reactions. All elements, precipitates, liquids, and lons not appearing on both sides of the equation are shown in a net ionic equation. 14. Write net ionic equations for the following unbalanced equations. a. Na3PO4 (aq) + SrCl2 (aq) → Sr3(PO4)2 (s) + NaCl (aq) b. Bi(NO3)2 (aq) + Na, SO4(aq) → Bi2(SO4)3 (s) + NaNO, (aq)...
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...
Question 8 (1 point) In the reaction below, which species is present in the solid state? CaCO3 (s) + 2HNO3 (aq) Ca(NO3)2 (aq) + H20 (1) + CO2 (g) 6 9 O A) CO2 B) CaCO3 12 C) HNO3 15 OD) H20 18
5. A 3.5 L sample of a 5.8 M NaCl solution is diluted to 55L. What is the molarity of the diluted solution? 6. Consider the reaction: K Slaq) + Co(NO3)2 (aq) → 2KNO3(aq) + Cos) What volume of 0.225 M K S solution is required to completely react with 175 mL of 0.115 M CO(NO3)2? 7. For each reaction, identify the Bronsted-Lowry acid, the Bronsted-Lowry base, the conjugate acid and the conjugate base a. Hl(aq) + H2O → H30*...
1. Balance the following chemical reaction: Na2CO3 (aq) +CaCl2 (aq) → CaCO3 (s)+NaCl (aq) Na₂CO₃ + Call, CaCO3 + 2NaCl 2. Using Table 7 below, determine the molar mass of calcium chloride, CaCl2. Table 7: Molar Mass of Calcium Chloride (CaCl2) Atomic Mass Multiply # in Contribution Formula Element Calcium (Ca) g/mol g/mol Chlorine (CI) g/mol g/mol Total = g/mol 3. Using Table 8 below, determine the molar mass of sodium carbonate, Na2CO3. Element Table 8: Molar Mass of Sodium...