Which response includes all of the following substances that have dHformation = 0, and no other substances? I. HCl(g) II. Na(s) III. HCl(aq) IV. F2(g)
Q: Determine the Ksp of the following reactions. a. NaC2H3O2 Na+ + C2H3O2- b. HBr H+ + Br c. Zn(OH)2…
A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…
Q: Can you show me how to calculate this? You have calculated the [NaOH] for three trials shown below;…
A: Given: Concentrations: .1011M, .1012M, .1015M
Q: 20) What is the value for Kc if [CO] = 0.025, [H2]= 0.013 and [CH3OH] = 0.0028 for the following…
A: Given:
Q: The Kc value for Mg3(AsO4)2(s) = 3Mg2+(aq) + 2AsO43-(aq) is 2.1 x 10-20. Determine the Kc for…
A: If the two opposing process in a reversible change are chemical change and the state in this change…
Q: a) n = 1, 1 = 0, m, 0, mg = +1/2 Ms = b) n=3,1 = 2, m₁ = -1, m₂ = -1/2 = c) n=2, 1=-1, m, 0, m,-…
A: Quantum numbers are the set of four numbers which is used to address the location of electrons in an…
Q: Which of the following is least soluble? Group of answer choices PtS (Ksp = 8 x10-73) NiS (Ksp = 3…
A: Solubility product constant (Ksp) represents an equillibrium constant when a solid dissolve in…
Q: help I DONT UNDERSTAND!
A: The question is asking to calculate the enthalpy of the reaction by using given two reactions,…
Q: Calculate Ksp for LiOH at 25 °C. Li+(aq) OH-(aq) LiOH(s) ΔG°f (kJ/mol) -293.3 -157.3 -441.5…
A:
Q: What is the Ka and Kb expression for a and b? a) C6H5COOH b) CN-
A: Acid dissociation constant Ka is utilized to determine the acidic and basic nature of a solution. It…
Q: Calculate the ΔG° rxn using the following information. 2 HNO 3( aq) + NO( g) → 3 NO 2( g) + H 2O(…
A: Given reaction is 2 HNO 3( aq) + NO( g) → 3 NO 2( g) + H 2O( l) For this reaction , ΔG° rxn = ?…
Q: True or False: a. CBr, is more v b. CBr, has a hig c. CBr, has weak d. CBr, has a hig с.
A: This question belong to chemical bonding that is intermolecular force of interaction
Q: V(H,O); + Fe(CN);- FeCl?- ODO Answer Bank 11
A: The crystal field splitting diagram for the following complexes are as follows:
Q: Calculate for the solubility of PbF2, given the value of its Ksp. Ksp of PbF2 = 3.3 x 10-8
A:
Q: H. CI CI CI CI The Cahn-Ingold-Prelog stereochemical designations used for the following substance…
A:
Q: 60°C, water has an autoionization constant (Kw) of 9.247 X 10-14. Determine the pOH of pure water at…
A: Given- Kw=9.247×10^-14 Temperature=60°C pOH=?
Q: PC15 – PC13 + C12. Find AG° 298 K temp.. Keq = 2.51 × 10-6 . O 30.2 KJ/mol О 31.9 31.9 Kj/mol O-…
A:
Q: Which of the following best describes the Ksp expression for Pb(OH)2? OA Pb2*1 (2 x [OH]) OB Pb2*1…
A: Pb(OH)2 is sparingly soluble salt. It dissociate partially into the water.
Q: Calculate the pK at 25 degrees C of the following reaction using the data in the table. Use R =…
A: The difference between the initial-state energy and the equilibrium-state energy is known as free…
Q: How will you know that the Volumetric assay reached the Endpoint?
A: In volumetric analysis, endpoint means there's just one excess drop of the titrant.
Q: Calculate A:G° of H2O(G) at 298.15K given the following information. AÇH°, kJ/mol Aşš°,J/mol•K…
A:
Q: Calculate delt G for a.) CH3NH2(aq) + H2O (l) -> CH3NH3+ (aq) + OH-(aq) T= 25C kp= 4.4x 10-4
A: NOTE-As the given question contain multiple independent parts, we will solve the firs t part for…
Q: From the following reaction and data, find (a) S° of SOCl₂ and (b) Tat which the reaction becomes…
A:
Q: 2V (1/2)W + X DH1 = 10 kJ/mol %3D (3/2)W + 4X → 2V + X + 3Y DH2 = -30 kJ/mol %3D Z + 4V – X DH3 = 20…
A:
Q: Calculate the ΔH°rxn for the following reaction. SiO2(s) + 4HCl(g) → SiCl4(g) + 2H2O(g) ΔH°f…
A: Heat of reaction is difference of energy of product and energy of Reactant. If heat of reaction is…
Q: What is the accepted value for the Ksp of Ca(OH)2, including the conditions for its determination
A: Given What is the accepted value for the Ksp of Ca(OH)2, including the conditions for its…
Q: Determine the Kb
A:
Q: - How many grams of sodium hydroxide (M.wt=58.5) can be added to 2.5 liter of a solution mixture of…
A: Given a buffer solution consisting of mixture of 0.3M ammonia and 0.15M ammonium chloride.
Q: Titanium has an allotropic transformation form HCP to BCC at 915 °C. If the HCP c/a ratio is 1.58…
A: The ration of c to a is 1.58 The number of atoms per unit cell in HCP = 6 Atomic weight of Titanium…
Q: C2H6 delta Hf= -84kj, O2 delta Hf= 438kj, CO2 delta Hf= -393.5kJ , H2O deltaHf= -241.8KJ 2.…
A: The expression for the calculation of change in enthalpy is shown below: ∆H =Σn∆Hf(products) - Σm∆Hf…
Q: Find the AHn for the following reaction: B2 H6 (g) + 6 Cl2(9) → 2 RC13(g) + 6 HCl(g) given the…
A: B2H6(g) + 6 Cl2(g) --> 2BCl3(g) + 6HCl(g)
Q: Component A Component B Functional Group Combustiblity Molecular Mass Alcohol Functional Group…
A: Component A is more soluble in water compared to component B.
Q: Calculate the ΔG°rxn using the following information. 2 H2S(g) + 3 O2(g) → 2 SO2(g) + 2 H2O(g)…
A:
Q: Find the ΔH (kJ) for imaginary reaction 2WT3 + L = W2T4 + LT2 2WT3 + 2 WX = W2T4 + 2XWT ΔH = -86…
A: Using Hess's law, Rxn(4) = rxn(1) + rxn(3) - 2 × rxn(2) □H4 = □H1 + □H3 - 2×□H2 = (-86) + (-501.8)…
Q: 1. H* [-H20] HO HO OH (excess) но. 2. NalO4 CH3 3. Ph3P=/ ČH3 OH H* [-H20] HO, ČH3 1. H* (-H20] он I…
A:
Q: Find the deltaH for the reaction below, given the following reactions and subsequent deltaH values:…
A: Enthalpy is additive in nature
Q: your result:- ) 0.350 M chloroacetic acid? Given, Ka=1.36x10³, Kw=1×1014 ) 0.420 M sodium…
A: 1) for the weak acid H+= √ka×C 2) for the salt of strong base and weak acid we use salt hydrolysis…
Q: 2. Using values of AH°; and S°, calculate AG°xn for the following reaction: NH3 (g) + HNO3(aq) →…
A: In this question, ∆H°f and ∆S°f for a reaction is given and ∆G°rxn is to be calculated. The given…
Q: Calculate AH° for the following reaction, after it is properly balanced with smallest whole-number…
A:
Q: Which of the following processes have a ΔS > 0? Group of answer choices CH4(g) + H2O(g) → CO(g) + 3…
A:
Q: 35. Rank the following groups in order of decreasing priority according to the Cahn-Ingold- Prelog…
A:
Q: Calculate the ΔG°rxn using the following information. 3 NO2(g) +…
A:
Q: 2. Using values of A¡Gº, determine the value of A,G° at 25 °C for the reaction 2 KC1O3 (s) → 2…
A:
Q: An unknown acid, HB, has a ∆G°rxn of 22.5 kJ/mol at 298 K. What is the Ka of HB? Using e^…
A: Given ∆G°rxn = 22.5 kJ/mol Temperature = 298K
Q: the percent (w/w) of ascorbic acid in this product if a 2.1994 g
A:
Q: Which reaction MUST have a positive Delta S? O N2 + 3H2 -> 2NH3 Ca + FeCl2 -> Fe + CaC12 O 2A1203…
A: Entropy change will be positive when randomness increases.
Q: Calculate the ΔH°rxn for the following reaction. SiO2(s) + 4HCl(g) → SiCl4(g) + 2H2O(g) ΔH°f…
A: Given: SiO2(s) + 4HCl(g) → SiCl4(g) + 2H2O(g) ΔH°f [SiO2(s)] = –910.9 kJ/mol; ΔH°f [SiCl4(g)] =…
Q: What would be the observation following mixing BaCl2 and Pb(NO3)2?
A: Mixing of BaCl2 and Pb(NO3)2 Pb(NO3)2(aq) + BaCl2(aq) -> PbCl2 (s) + Ba(NO3)2 (aq)
Q: What is the Ksp expression for the following reaction? Bi2S3(s) ⇄ 2 Bi3+(aq) + 3 S2−(aq) Group of…
A: A SOLID cannot express a concentration, and thus the expression simplifies to Ksp = [Bi3+]2[S2−]3
Q: A. For each pair of compounds, fill in the appropriate information needed to distinguish them.…
A:
Trending now
This is a popular solution!
Step by step
Solved in 2 steps
- Identify the Brassicasterol peak of the GC-MS of Burn Morel mushrooms (Tomentosa) and the M (+/-) peaks that are present. Include the mass and signature intensities of the peaks main product.In reversed phase partition chromatography Select one: a. the least polar compound elutes first b. the smallest molecular weight compound elutes first c. the most polar compound elutes first d. the largest molecular weight compound elutes first e. the lowest boiling compound elutes first f. the highest boiling compound elutes firstA thin layer chromatography experiment is planned to determine the Rf values of four compounds. List the following compounds in order of increasing Rf values from shortest to longest. (If B is shortest, then A, C, and D is longest, enter BACD )
- The following Rf values were computed from a normal phase chromatography experiment. Arrange them from most polar to least polar. I - 0.25 II - 0.84 III - 0.56 IV- 0.67 Group of answer choices II > IV > III > I I > III > IV > II I > II > III > IV IV > II > III > IExplain briefly the differences in Rf values of the pigments that you have separated from spinach juice. What properties must the pigment have to travel further in the chromatogram? Consider the structures of cholesterol and ?-carotene. Which do you think will have the highest Rf value if the solvent used was acetone - hexane (20:80)? Why?It's important to mark the solvent front with a pencil after the plate is finished being developed in order to calculate an Rf. Group of answer choices True False
- How would you change the mobile phase to decrease the Rf for both spots? If you started with 1:10 ethyl acetate to hexane and Rfa = 0.70 and Rfb = 0.20. A) 1:7 ethyl acetate to hexane B) 100% ethyl acetate C) 1:6 ethyl acetate to hexane D) 1:15 ethyl acetate to hexaneIdentify the Campesterol peak of the GC-MS of Burn Morel mushrooms (Tomentosa) and the M (+/-) peaks that are present. Include the mass and signature intensities of the peaks main product.Based on the chromatograms, Symmetry C18 (top) is less selective than Symmetry Shield RP18 (bottom) for the analytes given, true or false?
- Please answer G, H, I in the attached image. ThanksA student performed TLC experiment to find out the unknown compound C which was obtained during a Column Chromatogarphy, she analyzed the compound using two different solvent mixtures. Three standard compounds, X, Y, and Z, were used. The Rf values she obtained are given below. Which out of the three will be compound C? Justify your answer.The following Rf values were computed from a normal phase chromatography experiment. Arrange them from most polar to least polar. I - 0.25 II - 0.84 III - 0.56 IV- 0.67