Mass of Copper: 0.99g Mass of Aluminum: 0.35g Mass of CuCl2: 2.55g 2Al(s) + 3CuCl2 * 2H2O (Hydrate molecule) --→ AlCl3(aq) + 3Cu + 6H2O Please calculate the limiting reagent and show the steps.
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- 7-11. Limestone consists mainly of the mineral calcite, CaCO3. The carbonate content of 0.541 3 g of powdered limestone was measured by suspending the powder in water, adding 10.00 mL of 1.396 M HCI, and heating to dissolve the solid and expel CO2: CACO3 (s) +2H* → Ca²* +CO,T +H2O Calcium carbonate FM 100.086 The excess acid required 39.96 mL of 0.100 4 M NaOH for complete titration to a phenolphthalein end point. Find the weight percent of calcite in the limestone.4N92 Crz O7+3C 6HIO +16H2 S04 >4Naz SOy + 4Crz(sO4)3 +3C6H10 04 1/6 H26 28,2009 of ColHio are reacted with excess Nazcr20, and H2 SO4.After the reaction is 118°8L Completed, 78.811grams of Crz (sou)3 are collected. Calculate precent yeild of the reachion * Sdve vin one Single Step Usinq dimensional analysıs10:08 M ll 93%| Question 40 of 50 Submit How many liters of 0.305 | M K,PO, solution are necessary to completely react with 187 mL of 0.0184 M NiCl, according to the balanced chemical reaction: 2 К,РО,(аq) + 3 NicCl,(aq) → Ni,(PO,),(s) + 6 KCI(aq) STARTING AMOUNT ADD FACTOR ANSWER RESET *( ) 2 3 187 0.001 mo 0.305 0.0113 0.00376 1 g 1000 7.52 0.00752 0.0184 6.022 x 1023 М II
- Predict the products of the resulting reactions - all will occur. 1) combination rxn: Na + Cl, --> 2) decomposition: PbO --> 3) (single or displacement, Li is more active) Li + CoN --> 4) (double or exchange) Ca(NO3), + NaOH --> o search W Cop 果 f10 144 A % & * L. 8. Uagy-m ince Mo atalyst- is catal aw (sin tion of di of gas tv int fors of Co₂ find s :3 S PM" marin what! @ 259 -075 10) The following reaction is known as the Fischer Esterification. The equilibrium constant is 1.0. سال H3C H = + CH₂OH H3C CH3 methylacetate + H₂O a) Write the equilibrium equation for this reaction. However, keep H₂O in the equation. b) With an equilibrium constant of 1.0, what is the maximum yield of the methylacetate product? c) Describe how using Le Chatelier's principle one can increase the yield of the reaction by removing water. 8Express the equilibrium constant for the following reaction: 2 CH2CI2 (9) + Clz (9) 32 СHC\з + H2 () [CHCI;]!/?{H2] k = [CHCI3J°[H2] k = [CHCI,}[C1,] [CHCI,I°ICI;] k = [CHCI3]°[H2] [CHCI,ICI2] k = [CHCI3][H2] [CHCI3][H2] k = [CHCI,ICI2]
- For this reaction, Cr20,2- + 14H+ +6l > 2Cr2+ + 312 + 7H20 E°cell = 0.79V AG° 0 and K 0 and K >1 AG° 1= D 7 Q A CA AX Explanation Z C 62°F Sunset coming 2 O CHEMICAL REACTIONS Predicting precipitation solution A zinc bromide manganese(II) bromide sodium hydroxide @ n HH CHLHLCCL https://www-awu.aleks.com/alekscgi/x/Isl.exe/1o_u-IgNsikr7j8P3jH-IBMBkpcnaFuOF7Uj... AN to Complete the table below by deciding whether a precipitate forms when aqueous solutions A and B are mixed. If a precipitate will form, enter its empirical formula in the last column. W S Check COPTETTON|| X # 3 sodium sulfide solution B nickel(II) nitrate copper(II) chloride E D ▬ $ 4 C R FL Does a precipitate form when A and B are mixed? O yes no O yes O no O yes O no % IL 5 V T ^ G 6 empirical formula of precipitate 0 0 0 Y 4+ I 7 5 B N X 144 * 8 3 ( s 9 CA M B → nM A < 6 Ⓒ2022 McGraw Hill LLC. All Rights Reserved. Terms of Use Priv O ——▬▬ 0/5 {3 니 + ☆☆ P { [ 2< Progress:0/9 groups Due Apr 18 at 11:55 PM Use the References to access important values if needed for this question. In an aqueous chloride solution cobalt(II) exists in equilibrium with the complex ion CoCl42-. Co2+(aq) is pink and CoCl42-(aq) is blue. ... At Low Temperature the pink color predominates. ... ... At High Temperature the blue color is strong. ... If we represent the equilibrium as:...Co2+(aq) + 4Cl-(aq) CoCl42-(aq)We can conclude that: fill in the blank 1 1. This reaction is: A. Exothermic B. Endothermic C. Neutral D. More information is needed to answer this question. fill in the blank 2 2. When the temperature is decreased the equilibrium constant, K: A. Increases B. Decreases C. Remains the same D. More information is needed to answer this question. fill in the blank 3 3. When the temperature is decreased the equilibrium concentration of Co2+: A. Increases B. Decreases…
- 8 Reactions between certain organic (alkyl) halides and water produce alcohols. Consider the overall reaction for t-butyl bromide (2-bromo-2-methylpropane). (CH3)3CBr(aq) + H2O(1) →(CH3)3COH(aq) + H*(aq) + Br "(ag) k[(CH3)3CB1]. The accepted mechanism for the The experimental rate law is rate = %3D reaction is shown below. (1) (CH3)3C-Br(aq) →(CH3)3C*(aq) + Br "(aq) [slow] (2) (CH3)3C*(aq) + H2O(1) →(CH3)3C-OH2*(aq) [fast] (3) (CH3)3C-OH2*(aq) →H*(aq) + (CH3)3C-OH(aq) [fast] a) Why doesn't H2O appear in the rate law? b) Write rate laws for the elementary steps. c) What intermediates appear in the mechanism? d) Show that the mechanism is consistent with the experimental rate law. ed to the of consumption of Ned 20 A student measures the Pb2+ concentration in a saturated aqueous solution of lead chloride to be 1.66x10-2 M. Based on her data, the solubility product constant for lead chloride is E 5 F3 1 Submit Answer C $ 4 000 DOD F4 R F V % 5 Retry Entire Group 9 more group attempts remaining T Cengage Learning Cengage Technical Support FS G ^ 6 B MacBook Air Fo Y H & 7 N F7 U J * 8 ►ll M F8 1 ( 9 K F9 O V H 1 ) 0 L command F10 P B - > : 4) ; F11 alt { Previous [ option + = ? Next> 1 Save and Exit 7 F12 } 1 delete enter return 8 stThe Ksp of M2CrO4 is 7.11 x 10-15. How many moles of Mt will dissolve in 744 mL of solution in which [CrO,2] = 0.056 M? 2.4 x 10-5 mol M* 3.6 x 107 mol M* 3.6 x 10-7 mol M+ 2.7 x 10-7 mol M* None of these 6.2 x 10-6 mol M*