Potentially Useful Information Spectrochemical Series: | < Br° < SCN° < Cl° < NO3¯ < F° < OH° < C2O4²¯ ~ H2O < NCS < NH3 < en < PPH3 A student synthesizes and isolates the following coordination compound [Ni(H2NCH2CH2NH2)3]Cl2 (molar mass = 309.8966 g/mol) according to the balanced reaction below. In the experiment, the student reacts 2.500 g of nickel (II) chloride hexahydrate (molar mass = 237.6878 g/mol) with 4.000 g of ethylenediamine (molar mass = 60.0992 g/mol). After isolating the product, the student collects 3.200 g of the nickel coordination compound. NICI2•6H2O (aq) + 3H2NCH2CH2NH2 (1) → [Ni(H2NCH2CH2NH2)3]Cl2 (s) + 6H2O (1) Given the transition metal compound, Na4[Co(C204) (CN)4], what is the oxidation state of cobalt, as well as the coordination number of cobalt in this compound? This compound is soluble in water. The oxidation state of cobalt is Cobalt has a coordination number of Your answer should be an integer.

Potentially Useful Information Spectrochemical Series: | < Br° < SCN° < Cl° < NO3¯ < F° < OH° < C2O4²¯ ~ H2O < NCS < NH3 < en < PPH3 A student synthesizes and isolates the following coordination compound [Ni(H2NCH2CH2NH2)3]Cl2 (molar mass = 309.8966 g/mol) according to the balanced reaction below. In the experiment, the student reacts 2.500 g of nickel (II) chloride hexahydrate (molar mass = 237.6878 g/mol) with 4.000 g of ethylenediamine (molar mass = 60.0992 g/mol). After isolating the product, the student collects 3.200 g of the nickel coordination compound. NICI2•6H2O (aq) + 3H2NCH2CH2NH2 (1) → [Ni(H2NCH2CH2NH2)3]Cl2 (s) + 6H2O (1) Given the transition metal compound, Na4[Co(C204) (CN)4], what is the oxidation state of cobalt, as well as the coordination number of cobalt in this compound? This compound is soluble in water. The oxidation state of cobalt is Cobalt has a coordination number of Your answer should be an integer.

General Chemistry - Standalone book (MindTap Course List)

11th Edition

ISBN:9781305580343

Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell

Publisher:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell

Chapter6: Thermochemisty

Section: Chapter Questions

Problem 6.94QP

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2. Write the expression for Kc and Kp if applicable, for the following reversible reactions at equilibrium: (a) HF(aq) + H;0() H,0 (aq) + F (aq) (b) 2NO(g) + 0,(g) 2NO0,(g) (C) CH,COOH(aq) + C,H,OH(aq) CH,C0OC,H,(aq) + H,O()
Equations: ΔΗΣ(n - ΔΗμάuais) Σ(n.ΔΗ, .a. tan ts) AS (n - ΔSpoducts) -Σ (n .AS,ac tun ts) = E (n · AGproducts) – E (n · AGreac tan ts) AG reac AG ΔΗ TAS Hydrogen peroxide, H2O2, decomposes into water and oxygen gas with an enthalpy (AH) change of -37.77 kJ and an entropy (AS) change of -130.92 J/K. Will this reaction be spontaneous if the H2O2 is kept in a sub-zero refrigerator at -25 °C? 4 5 6 7 8 10 11 12 13 Next > English Help Center Schoology Blog | PRIVACY POLICY | Terms of Use Schoology © 2021 https://Ims.lausd.net/common-assessment-delivery/start/4905365941?action=Donresume&submissionld3D526135843#
1. Write the balanced chemical equations for the following reactions and identify the type of the reactions. (i) K,SO,(aq) + AICI;(aq) → Al;(SO);(aq) + KCI(aq) Туре: (ii) CH;OH(1) + O2(g) → CO2(g) + H;O(g) Туре:
Oo.4. Subject :- Chemistry
9-4. For each of the following reactions: (1) Calculate the enthalpy change for the reaction using Standard Enthalpy of Formation values from the table posted on the Course Resources page. (2) State whether the reaction is endothermic or exothermic. а. 3 Са0() + 2 Feе(s) > Fe,0%3(s) +3 Сa('s) b. 2 C;Ho(g) + 7 02(g) → 4 CO2(g) + 6 H2O()
guiestior #O Triat 1. 1.50 1.50 1.50 2.00 2. 3.00 2.00 4.00 3.00 3:00 what es Hiurate comlent tn Herealier above?
The proton donor in the reaction below is: * CH,COOHag) + H,0, → H,O^ (aq) + CH,CO ag) (1) CH;COOH O°H O O H,0" O CH,CO01
b. _Pb(NO3), (aq) _KI (aq) _Pbl2 (s) + _KNO; (aq)
Based on the reactions: 2NO2 (g) + 2N0 (g) + O2 (g) – – > 2N½O4 (g) ; AH = -228.54 kJ 4NO (g) +2N2O (g) + 50, (5) – – > 4N,O4 (g) ; AH,=-488.46 kJ 2NO (g) + O2 (g) – - > N,O4 (g) ; AH3 = –171.34 kJ- Use Hess's Law to calculate AH for: 4N204 (g) - - > 2N½O (g) + 302 (9) + 4NO2 (g)
30jud to 28AM basu mw 5. Sodium carbonate is a reagent that may be used to standardize acids in the same way that you have used KHP in this experiment. In such a standardization it was found that a 0.498-g sample of sodium carbon- ate required 23.5 mL of a sulfuric acid solution to reach the end point for the reaction.
light Bra a) H2 b) Lindlar's OCH, heat c) heat H;CO. d)
Equations: -Σ (n . ΔΗμoduats) -Σ (n - ΔΗ, ΔC Σ (n . ΔGproducts ) Σ (n . ΔΕreac tan ts, ΔΗ Ireac tan ts) AS = £ (n · ASproducts) – E (n · ASreac tan ts ) AG = ΔΗ-ΤAS The reaction for the decomposition of calcium carbonate is given below. Using the given table of values, calculate AH°, AS°, and AG° at 25 °C. СаСОз (s) — СаО (s) + CO2 (g) AS (K) kJ J kJ ΔΗ AG ( mol mol·K mol CaCO3 -1206 92.9 -1128.8 CaO -634.9 38.2 -604.04 CO2 -393.5 213.8 -394.4 4 7 8 9. 10 11 12 13 前Review

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General Chemistry - Standalone book (MindTap Cour…

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ISBN:

9781305580343

Author:

Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell

Publisher:

Cengage Learning