Question 1 5 pts With regard to Ca(OH)2 (aq) + 2HF (aq) <-->CaF2(s) + 2H,O (aq),...
With regard to Ca(OH)2 (aq) + 2HF (aq) <-->CaF2(s) + 2H2O (aq), in what direction, if any, would the equilibrium be shifted by addition of calcium ion as calcium nitrate.
Question 9 Consider the following mechanism: 1. Clo (aq) + H20(1) <=> HClo(aq) + OH (aq) FAST 2. 1(aq) + HClO(aq) => HIO(aq) + Cl (aq) SLOW 3. OH"(aq) + HIO(aq) => H2O(l) + 10 (aq) FAST What is the role of HIO? Selected Answer: C. reactant Correct Answer: D. intermediate
2 pts Question 4 Identify all conjugate acid-base pairs in the reaction shown. N(CH3)H2(aq) + H2O(l) <= N(CH3)H3(aq) + OH"(aq) ON(CH3)H3/OH N(CH3)H3/H20 ' N(CH3)H/OH H30/OH N(CH3)H/N(CH3)H3 H2O/H30 H2O/OH-
Question 16 (1 point) For the following reaction<br /> Pb**(aq) + ClO3- (aq) + H2O(l) = Pb2+ (aq) + CIO, "(aq) + 2H+ (aq) K=8 10^^<br /> which of the following is true?<br /> i, at equilibrium there will be more of the products than reactants<br /> ii. the potential energy of the products is greater than that of the reactants Oi, and ii. Oi, only Oii. only Oneither
< Question 8 of 16 > What is the net direction of the acid-base reactions? HIO(aq) +F(aq) – 10 (aq) + HF(aq) O to the right O to the left O no net change HBrO(aq) + CH,COO (aq) BrO (aq) + CH,COOH(aq) Ono net change O to the right O to the left contact us
What is true about the following reaction at 25°C?<br /> HBrO(aq) + NaCl(aq) = NaBrO(aq) + HCl(aq) OK> 1 hence there will be mostly products at equilibrium. OK> 1 hence there will be mostly reactants at equilibrium. OK< 1 hence there will be mostly products at equilibrium. OK< 1 hence there will be mostly reactants at equilibrium. Question 8 (1 point) Which of the following would be more soluble in an acidic solution?<br />i. LiBr(s)<br /> ji. KNO3(s) O both...
For the reaction Ba(OH)2 (s) -- Ba2+ (aq) + 2 OH (aq) a precipitate will form if Q< K. Select one: True False Into a solution of 0.10 M KBr and 0.10 M KCYOA you add 0.050 M silver nitrate dropwise until a precipitate forms. Ksp for Ag2Cronis 9.0 x 10-12. Ksp for AgBr is 5.0 x 10-13. Which of the following will precipitate first? Select one or more: a. silver chromate b. no precipitate will form C. silver bromide...
Question 14 5 pts Consider this redox reaction: Sn (s) + 2H+ (aq) + 2 CF (aq) → Sn2+ (aq) + 2 C1 (aq) + H2(g) Which of the following is the reducing agent? Он* O Sn O Sn2
< Question 3 of 65 Consider the acid-base reaction. 2 HNO, (aq) + Ba(OH),(aq) → ? Predict the products of the acid-base reaction. OH,BANO, (aq) Ba(NO3)2(aq) + 2 HOH(1) BaNO, (aq) + HOH(1) O Ba?+ (aq) + NO3(aq)
how to solve this Question 3 O pts For up to 2 bonus marks: The following reaction occurred in a sealed vessel: Cr(s) + 3 Ag+ (aq) <--> Cr3+ (aq) + 3 Ag(s). Write the equilibrium-constant expression with an explanation. B I VA - A - I E x HTML Editora x E CONV 1 V T 12pt