Question 2 (1 point) Consider the following dissolution reaction in water: Ca(103)2 --> Ca2+ + 2...
Question 3 (1 point) Consider the following dissolution reaction in water: Ca(IO3)2 --> Ca2+ + 2 103 K = 2.1 x 10-7 Suppose 0.050 M 103 was added to the solution. What would the concentration of Ca2+ be after equilibration? O 5.2 x 10-4 M O 8.4 x 10-5 M. O 3.5 x 10-7M. 5.1 x 10-6 M
4. Rank the following types of electromagnetic radiation in order of decreasing energy. X-rays > Ultraviolet > Visible > Microwaves b) Microwaves > Visible > Ultraviolet > X-rays c) Microwaves > Ultraviolet > Visible > X-rays d) X-rays > Visible > Ultraviolet > Microwaves 24. Which of the following arrangements is in order of increasing size? a) Ca2+> K+ > C1-> S2- b) Ca2+ <K+ < Cl< S2- c) 52-> Cl- > Ca2+> K+ d) $2- < Cl- <K+ <...
Consider a saturated AgBr solution that is also 0.050 M Ca(NO3)2. Ca(NO3)2(aq) + Ca2+ (aq) + 2NO3 (aq) AgBr(s) Ag+ (aq) + Br-(aq) The thermodynamic solubility product (Kop) of AgBr is 5.0 x 10-13. What must be the molarity of Ag+ in the solution?
Consider a saturated AgBr solution that is also 0.050 M Ca(NO3)2. Ca(NO3)2(aq) + Ca2+ (aq) + 2NO3(aq) AgBr(s) + Ag+ (aq) + Br (aq) The thermodynamic solubility product (Kyp) of AgBr is 5.0 x 10-13. What must be the molarity of Ag+ in the solution?
The Ksp of AgCl at 25 °C is 1.6 x 10-10. Consider a solution that is 1.0 x 10-2 M in CaCl2 and 1.0 x 10-8 M in AgNO3. A. Q> Ksp and a precipitate will form. B.Q> Ksp and a precipitate will not form. OC.Q<Ksp and a precipitate will not form. D.Q<Ksp and a precipitate will form. E. The solution is saturated.
For the following equilibrium, Ca, (PO4 )2(s)--3 Ca2 +(aq) + 2 POI-(aq) If Ksp 2.1 x 10-33, what is the molar solubility of Ca, (PO,)? Report your answer with the correct number of significant figures. Sorry, that's incorrect. Try again? 1.15x10 M
Question 2 (1 point) What is Eºcell for the cell reaction: 2Cr(s) + 3Sn4+(aq) --> 3Sn2+(aq) + 2Cr3+ (aq)? Given: Cr3+(aq) + 3e --> Cr(s); E° = -0.74 V Sn4+(aq) + 2e --> Sn2+(aq); E° = +0.15 V 0 +0.45 V O +0.89 V O 1.93 V 0-0.59 V 0 +0.59 V
Item 2 2 of 12 > Review Constants 1 Periodic Table Consider the reaction A +2B=C Part A whose rate at 25°C was measured using three different sets of initial concentrations as listed in the following table: What is the rate law for this reaction? Express the rate law symbolically in terms of k, A), and B). Trial View Available Hint(s) 1 2 3 [A] [B] Rate (M) (M) (M/s) 0.20 0.030 1.4x10-3 0.20 0.060 2.9x10-3 0.40 0.030 5.8x10-3 EVO...
Question 2 of 10 > Attempt 1 Balance the following redox reaction in acidic solution using whole number coefficients. NO3(aq) +1,(s) — 103(aq) + NO2(g) In the balanced equation, what is the coefficient for NOZ? 5 2 10 Incorrect
W y O LLI < < Question 2019 > > Question 2 3 points Save Answer Aniline, CAH NH>, is a weak monoprotic base with Kb = 3.9 x 10-10. Calculate the pH of a 0.00862 M solution of this base. Report your answer to TWO places past the decimal.