1. b) 10.65mL
2. b) 50.2 kJ mol-
3. c) 1.25 x 10^4 J mol-
4. a) Pb2+ (aq) + 2NO3- (aq) + 2K+ (aq) + 2I- ----> PbI2(s) + 2K+ (aq) + 2NO3- (aq)
Answers only please Choose the one alternative that beat completes the statement or answers the question....
In which set are both compounds soluble is water? (A) magnesium (MgCI_2) and octane (C_6H_18) (B) ethanol (CH_2CH_2OH) and propane (CH-3CH_2CH_3) (C) carbon tetrachloride (CCI_4) and magnesium chloride (MgCI_2) (D) magnesium chloride (MgCI_2) and ethanol (CH_2CH_2OH) When potassium chloride, KCI dissolves in water, which of these diagram would best what you would expect to find in solution? Which is a precipitation reaction? (A) 2Cr(s) + 6HNO_3(aq) rightarrow 2Cr(NO_3)_3(aq) + 3H_2(g) (B) H_3PO_4(aq) + 3KOH(aq) rightarrow K_3PO_4(aq) + 3H_2O(l)) (C) 3Ba(NO_3)_2(aq)...
Question 69? What volume of 0.175 M Na_3PO_4 solution is completely react with 95 4 ml of 0.102 M CuCl_2? Consider the reaction Li_2S(aq) + Co(NO_3)_29aq) rightarrow 2 LiNO_3 (aq) + CoS(s) What volume of 0.150 M Li_2 S solution is required to completely react with 125 mL of 0.150 M Co(NO_3)_2? What is the minimum amount of 6.0 M H_2SO_4. necessary to produce 25.0 g of H_2 (g) according to the reaction between aluminum and sulfuric acid? 2 Al...
please answers all these questions : QUESTION 5 NaOH(s)---> Na^+(aq)+CH^-(aq)+44.02kJ Calculate the amount (in moles) of NaOH needed to make the reaction above releases 1000 kJ 22.71 mol 0.04402 mol 44020 mol 44.02 mol ______________ QUESTION 6 Use the equation below to find heat released if 2 moles of NaOH was dissolved in water. NaOH(s)---> Na^+(aq)+CH^-(aq)+44.02kJ A-44.02 kJ B-2.00 KJ C-88.02 KJ D-22.01 KJ --------- Question 7 In a neutralization reaction, NaOH(ag) reacted with HCl(ag) at 21.019C to produce 80g...
Calculate the final temperature for each of the following mixtures. Assume no heat loss to the environment. Show your method for part b. 50.0 g of water at 25.0 degree C is mixed with 50.0 g of water at 85.0 degree C. 75.0 g of water at 25.0 degree C is mixed with 25.0 g of water at 85.0 degree C. In Part B of this experiment, 0.10 g of Mg is added to 50. mL of 1.0M HCl. Which...
Please List Steps, show all work & explain logicCalculate [Ag^+] at 298K for the following reaction as written using the conditions listed below: AgCl (s) rightarrow Ag^+ (aq) + Cl^-(aq) [Cl^-] = 1.0 times 10^-10 M delta G = -58.496 kJ/mol delta G degree = +55.600 kJ/mol 1.0 times 10^-10 M 1.0 M 1.3 times 10^-5 M 7.9 times 10^-8 M There is no Ag^+ (aq) in the solution.
A 0.0403 M solution of a particular monoprotic weak acid. HA, has a pH of 3, 40 a 298 K. What is Delta G^Compositefunction for the following equilibrium? HA (aq) + H_2O(l) rightarrow leftarrow H_2O(aq) = A(aq) A) 7.95 kJ B) 30.8 kJ C) 11.4 kJ D) 19.4 kJ For a reversible phase change at constant temperature and pressure. A) Delta U = 0. B) Delta H = 0. C) w = 0 D) q = 0 E) Delta G...
Use Delta_fus H = 6.01 kJ/mol at 0 degree C for the sold rightarrow liquid phase transition of water to calculate Delta_fus S. The Calculated answer is J/mol K (1 decimal place.) The solubility of thallium chloride (TlCl) in water is 0.29 g in 100. mL of solution at 15.6 degree C. The molar concentration of Ti^+ is M (4 dec places). The molar concentration of Cl^- is M(1 dec places). The K_sp for TlCl at this temperature is (1...
QUESTION 1 Heat is required to dissolve NaOH(s) in water. A-True B-False -------------------- QUESTiON 2 The below equation represents an exothermic reaction: Reactants + delta H ----> product ATrue B-False -------------------- QUESTION 3 The Styrofoam cup was used as an insulated device that allows heat loss A-True B-False -------------------- QUESTION 4 The following is an endothermic reaction; NaOH+ HCI------> NaCl+H2O+42.12KJ A-True B-False -------------------- QUESTION 5 NaOH(s)---> Na^+(aq)+CH^-(aq)+44.02kJ Calculate the amount (in moles) of NaOH needed to make the reaction above...
K_p for NH_3 at 25 degree C N_2 (g) + 3 H_2(g) irreversible 2 NH_3 (g), Delta G degree = -31.0 kJ consider the galvanic cell that uses the reaction 2 Ag^+ (aq) plus Cu(s) rightarrow Cu^2+ (aq) + 2Ag (s) clearly sketch the experimental set-up, write down the anode and cathode half- give the shorthand notation for the cell For the following cell, write a balanced equation for the cell reaction and calc Delta G degree C: Pt(s) |H_2(1.0...
Consider the following reaction at 25 degree C: 2HNO_3 (aq) + NO(g) rlhar 3 NO_2(g) + H_2O(l) Calculate Delta G degree rxn using the following information HNO_3 (aq) NO(g) NO_2(g) H_2O(l) Delta H^degree (kJ/mol) -207 91.3 33.2 -285. 8 S^degree (J/mol K) 146 210.8 240.1 70.0 Calculate the value of the equilibrium constant, K, at 25 degree C At 25 degree C does the above reaction favor reactant or product formation? What evidence supports your conclusion? Procedure: Obtain the five...