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QUESTION 6 Which of the following best represents the bonding for MgCl 2? O Mg-Cl-cl Cl-Mg-cl...
Select the single best answer. Two aqueous solutions of KOH and MgCl, are mixed. Which of the following diagrams best represents the mixture? Mg2+ (aq) OH+ (aq) +(aq) Cl(aq) K*(aq) Cl(aq) Mg(aq). OH(aq) | KC (3) Mg(OH)() KCS) Mg(OH)2(8)
Select the single best answer. Two aqueous solutions of KOH and MgCl, are mixed. Which of the following diagrams best represents the mixture? Mg2+ (aq) OH+fag) K (aq) Cl(aq) K*(aq) Cl(aq) Mg- (aq) OH(aq) al KCl(s) Mg(OH),(s) KC (3) Mg(OH)2(8)
Which of the following best represents hydrogen bonding in methanol? CH3-0 H ---CH3 - O CH3- O ----CH3-0 CH3-0 0-CH3 H -----H O CH3- O ----- H-0 он сня
Which equation represents the heat of formation, ∆Hf, for MgCl2? Mg2+(aq) + 2 Cl– → MgCl2(s) Mg(s) + 2 Cl(g) → MgCl2(s) MgCl2(s) → Mg2+(aq) + 2 Cl–(aq) Mg(s) + Cl2(g) → MgCl2(s)
Testbank, Question 041 Which one of the following represents the lowest energy n-bonding molecular orbital of 1,3-butadiene? III IV OI оп 0 0 Testbank, Question 096 Which diene and dienophile would react to give the following Diels-Alder product? + в О: ОТ o o o o o
When a solution of MgCl, and AgNo, are mixed, the net ionic equation is: . 2 0 Select one: a. Mg * (aq) + 2Cl (aq) + 2Ag" (aq) + 2 No, (aq) → Mg + (aq) = 2NO3 + 2AgCl(s) b. Mg (aq) + 2C1 (aq) + 2Ag (aq) + 2NO, (aq) → Mg(NO3)2(aq) +2AgCl(s) O c. Ag* (aq) + Cl (aq) → AgCl(s) o d. Mg** (aq) + 2NO, (aq) – Mg(NO.),(s)
Testbank, Question 041 Which one of the following represents the lowest energy n-bonding molecular orbital of 1,3-butadiene? III IV оооо
Question 6 4 pts Which of the following represents the probability of Type II Error? O 1-B O 1-a O OB Question 7 4 pts
Which of the following reactions represents a redox reaction? O2 Mg(8) + O2(g) + 2 Mg0 (6) CaCO 3 Cao. + CO2 O 2 NaCl(aq) + K2CO3(aq) → Na2CO3(aq) + 2 KCl(aq) O 3 FeCl2(aq) + 2 Cuz PO4(aq) → Fe3(PO3)2(aq) + 6 CuCl(aq)
A flask contains the following system at equilibrium: Mg(OH)2(s) + Mg2+(aq) + 2 OH"(aq) Which of the following reagents could be added to increase the solubility of Mg(OH)2? HCI O H20 O NH3 MgCl₂ NaOH