CuCl2 + AGNO3->+No new data to save. Last checked at 4:58pm.Submiesc@#3%2496&23.46.backspaceb.We{tabryad.fk.enteriftZCVbm

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Science

Chemistry

CuCl2 + AgNO3 → + No new data to save. Last checked at 4:58pm. Submi

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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6 M HCI + copper O bubbles are produced a white solid forms a yellow solid forms O a blue solid forms O a brown solid forms a gray/silver solid forms no visible reaction Yes No full reaction: chemPad XDXD → net ionic equation: Greek chemPad XXº Sorry, we were not able to generate useful feedback. Help Greek X Help X Sorry, we were not able to generate useful feedback.
Under what conditions are AH and AU for a reaction involving gases and/or liquids or solids identical? Match the items in the left column to the appropriate blanks in the sentences and the equations on the right. Reset Help AVP ΔΗ-Δυ+ | Δ(P) Δ( PV) AH and AU for a reaction involving gases and/or liquids or solids identical is the case if APV|= 0. nRT RT PV ΔΡV Submit Previous Answers Request Answer X Incorrect; Try Again; 3 attempts remaining
In a study of the decomposition of ammonia on a platinum surface at 856 °C NH31/2 N2 + 3/2 H2 the following data were obtained: NH3], M 2.39x10-3 1.20×103 997 6.00x104 1.50x103 3.00x10-4 1.75x103 seconds Hint: It is not necessary to graph these data. (1) The observed half life for this reaction when the starting concentration is 2.39x10-3 M is s and when the starting concentration is 1.20×10-3 M is s. (2) The average rate of disappearance of NH3 from t= 0 s to t= 997 s is Ms!. (3) The average rate of disappearance of NH3 from t= 997 s to t= 1.50×103 s is M s-l. (4) Based on these data, the rate constant for this | order reaction is M s-1.
2. Ferrous iron (Fe2+) must be removed from a steel plant wastewater to meet a pretreatment standard of 106 M. The proposed treatment scheme involves oxidizing the ferrous iron to ferric iron (Fe³+) in a CMFR. The ferric hydroxide precipitate (Fe(OH)3(s)) will be continuously removed from the bottom of the reactor to maintain steady state conditions. Dissolved oxygen will be added to the reactor by bubbling air through the solution. The pH in the reactor will be kept constant by the addition of a well-buffered caustic waste stream from another part of the plant. You are given the following information: Temperature=20 °C Waste stream flow rate Caustic stream flow rate = 1000 L/min = 100 L/min Concentration of Fe²+ in the waste stream=5x10-3 M Volume of reactor-72,500 L Saturation concentration of oxygen at 20 °C = 9.08 mg/L = 2.84x104 M Constant pH in the reactor = 9 Assume that there is no dissolved oxygen in either the waste stream or the caustic stream. The reaction occurs in two…
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y courses / S22 CHEM 161_01_04 / 27 March - 2 April/ Quiz 9 Time left 0:53:13 Calculate the mass of oxygen that will be prepared through the decomposition of 50 kg of potassium chlorate ( KCIO3 , Molar mass= 122.55 g/mol) 2 KCIO3 →2 KCI + 3 O2 Select one: O a. 612 kg O b. 12.25 kg O c. 9.8 kg O d. 19.6 kg Next page
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What is A Gᵒ for the reaction of iron(II) ions with one mole of permanganate ions? (F= 96,500 C.mol-1) MnO4¯(aq) + 8H¹(aq) + 5e¯ = Mn²+ (aq) + 4H₂O(1) Fe³+ (aq) + e- %media:chapter18_19.jpg% Fe2+ (aq) E'= 1.51 V E°= 0.77 V
1-arr In a study of the decomposition of dinitrogen pentoxide in carbon tetrachloride solution at 30 °C N2O5- →2 NO2 + ½ O2 the concentration of N,O5 was followed as a function of time. It was found that a graph of In[N2O5] versus time in minutes gave a straight line with a slope of -6.31×10* min and a y- intercept of -1.34 . Based on this plot, the reaction O order in N,0g and the rate constant for the reaction is min-1. zero first second
3. The reaction H₂SO3(aq) + 6(aq) + Haq) → Se(s) +213(aq) + 3H₂0 (1) was studied at 0°C. The following data were obtained: Experiment # 1 2 3 4 5 6 7 [H₂SO3(aq)lo (mol/L) constant? 1.0 x 104 2.0 x 10-4 3.0 x 104 1.0 x 10-4 1.0 x 10-4 1.0 x 104 1.0 x 104 [¹] (mol/L) 2.0 x 10² 2.0 x 10-² 2.0 x 10-² 4.0 x 10-² 1.0 x 10-² 2.0 x 10-² 1.0 x 10-² Find the order of the reaction with respect to [H₂SO3]. respect to [I-¹]. reaction with respect to [H+¹]. is the overall order of the reaction? Find the value of the rate constant (k). Only write the number. [H¹+] (mol/L) 2.0 x 10-² 2.0 x 10-² 2.0 x 10-² 2.0 x 10-² 2.0 x 10-² 4.0 x 10-² 4.0 x 10-² Rate (mol/L.s) Find the order of the reaction with Find the order of the What What are the units of the rate 1.66 x 10-7 3.33 x 10-7 4.99 x 10¹7 6.66 x 10-7 0.42 x 10-7 13.2 x 10-7 3.36 x 10-7
help me here please, this is my last attempt. Thanks!