Calculate the concentration of cobalt(III) ions in a solution formed by mixing 150.0 mL of 0.500 M CO(NO3)3 with 200.0 mL of 4.00 M NH 3 solution given Kf of [Co(NH3)6]³+ is 4.5x10³3.
Q: Be sure to answer all parts. The equilibrium constant (Kp) for the reaction below is 4.40 at 2000.…
A:
Q: Transmittance (%) 4000 3000 1500 Wavenumber (cm-¹) 2000 1000 500
A: Given IR spectrum of unknown compound
Q: Draw the product(s) of the following reactions. H₂ Pd/C CH3CH₂-CEC-CH3 . Consider E/Z…
A: Alkyne gets reduced to alkane by reacting with H2,Pd/C
Q: Predict the major product of the following reaction. HBr peroxides • You do not have to consider…
A: Alkene gives an electrophilic addition reaction with hydrogen halide to form an alkyl halide.
Q: When barium acetate dissolves in water, what ions form? A. Ba2+ + C2H3COO- B. Ba+ +…
A: Barium acetate is moderately water soluble.
Q: consider an experiment where 4.55mL of an unknown H2O2(aq) solution reacted with the yeast at 19.1 C…
A:
Q: The compound shown here is classified as what type of organic compounc `ОН A) aldehyde B) ketone C)…
A: A functional group is an atom or a group of atoms the presence of which defines the physical and…
Q: Fiдеге 7-1 Row 1 3 3 A д В о 141
A: In chair form of cyclohexane as the number of methyl groups in axial position increases the…
Q: Which of the following aqueous solutions are good buffer systems? (Select all that apply.) 0.18 M…
A: In the given question we have to identify the aqueous solution that is good buffer system. buffer…
Q: 2.74 g of canola oil were titrated with KOH. It required 13.92 mL of 0.0040 M KOH to reach the…
A: 2.74 g of canola oil were titrated with 13.92 mL of 0.0040 M KOH to reach the equivalence point.We…
Q: In this problem, we consider in more detail the calculations for op and a for the particle in the…
A: Given, E=pz22m and E=n2h28ma2 to show: pz=nh2a
Q: Determine the alkalinity of a 1M solution of (a) H2CO3 (b) Na2CO3 For this problem, pKa,1 = 6.3 and…
A: The alkalinity of a solution means its pOH value.
Q: Which molecule(s) would not work well in a Claisen condensation? ethyl acetate acetic acid ethyl…
A: Claisen condensation reaction is a C-C bond forming reaction. It occurs between two esters or one…
Q: The acid dissociation constant K of alloxanic acid (HC, H, N₂O₂) is 2.24 × 107. Calculate the pH of…
A:
Q: Use the Lewis-Electron Dot Structure to illustrate the formation of compounds. (a) lonic Bonds Na₂S…
A:
Q: 9. Synthesize one of the following compounds starting with the reagent provided and other compounds,…
A:
Q: What is the shiny metallic substance coating that form in the walls of the test tube when mercury…
A: The products formed on heating mercury (II) oxide are mercury element and oxygen gas.
Q: It is quite common for a solid to change from one solid state structure to another at a temperature…
A: Entropy change is the change in entropy associated with the process. Phase transition refers to…
Q: If two wavefunctions, y(x) and p(x), are orthogonal, this means that they have the following…
A: We have to select the property for orthogonal wave functions
Q: Germanium configuration has an electron of [Ar] 4s² 3d10 4p². What is its maximum spin multiplicity?…
A: Since, Maximum spin multiplicity = 2S + 1 where, S = total spin then,
Q: E. Chlorine monofluoride can react with fluorine to form chlorine trifluoride: (1) CIF(g)+F2(g)…
A: The thermochemical equations can be treated as algebraic equation which can be added, subtracted,…
Q: An aqueous solution has an hydroxide ion concentration of 1E-6 M (10-6 M). Remember to use e…
A: Since, Negative logarithm of concentration of H+ ion is known as pH of the solution. i.e. pH =…
Q: Determine the POLARITY of molecules and TYPE/S of INTERMOLECULAR FORCES that exist in each of the…
A: According to Q&A guidelines of Bartleby, we are supposed to answer only the first 3 sub-parts of…
Q: A buffer contains 0.12 mol of propionic acid (C₂H₂COOH) and 0.17 mol of sodium propionate (C₂H,…
A:
Q: OH What is the organic product formed in the reaction shown here? OH H*, heat A) propyl butanoate B)…
A: Given
Q: 13-15. What mass of oxygen gas, O2, from the air is consumed in the combustion of 500 g of octane,…
A: In this question, we will be the mass of oxygen gas in gram unit from the given mass of octane. Mass…
Q: Coenzyme Q-10 (CoQ-10, a nonelectrolyte) is a supplement used to improve cardiac function. When…
A: Given : Mass of CoQ-10 = 1.325 g Volume of acetone = 375.0 ml Osmotic pressure = 0.100 atm…
Q: -order reaction has rate constants of 4.6x10 -2 s-1 and 9.6x10-2 s-1 at 0°C and 20.°C,…
A: Ea is activation energy of first order reaction
Q: Determine if the following salt is neutral, acidic or basic. If acidic or basic, write the…
A: Given:- Salt is => RbClO Basic salt :- If a salt gives strong base and weak acid on Reaction…
Q: What is the balanced equation of the dehydration of 2-methylcyclohexanol using H3PO4?
A: What is the balanced equation of the dehydration of 2-methylcyclohexanol using H3PO4
Q: Using the formula M1V1 = M2V2, how many millimeters of 6.0M sodium hydroxide are required to…
A:
Q: Draw the starting molecule to produce this ester when treated with RCO3H. Drawing RCO3H
A: Cyclic ketone on reaction with peracid (RCO3H) forms lactone.
Q: Draw the correct molecule in the box to the right. Label the relevant peaks in the spectra with the…
A: The question is based on the concept of organic spectroscopy. we need to analyse the spectra and…
Q: The substance N,N-dimethylaniline is a weak nitrogenous base like ammonia. Complete the following…
A:
Q: Part A 7.00x10-2 M HNO3 Express your answer using three decimal places. pH = Submit —| ΑΣΦ Part B…
A: pH : it can be defined as the negative logarithm of hydrogen ion concentration. pH = -log[H+] when…
Q: Solve the following problems. Show your complete and detailed solution. Cafoda primeines autom 1. A…
A: Since you have posted multiple questions we will answer the first one for you. If you want a…
Q: 16-18. How many L of 2.0 M nitric acid (HNO3) is required to react with 75.0 g of cuprous oxide…
A:
Q: Practice Questions: Directions: Write the compound that would form when the two ions are combined.…
A: ♣ Solubility rules for ionic compounds :1. Salts containing nitrate ion NO3- are always soluble in…
Q: The density of calcium is given as a rate of 1.55g/mL. What is the density of calcium in pounds per…
A: The density of calcium is given as a rate of 1.55g/mL. What is the density of calcium in pounds per…
Q: (CH3)2C=CH2 (CH3)2C=CH2 (CH3)2C=CH2 (CH3)2C=CH2 (CH3)2C-CH2Br 1) Br2 2) H₂O HBr Peroxides CHCl3 KOH…
A:
Q: 47. Consider the reaction: MISSED THIS? Read Section 16.7; Watch KCV 16.7, IWE 16.7 NH4HS(s) NH3(g)…
A:
Q: Write a balanced chemical equation for the combustion of octane (C8H18).
A: Answer : Heat of combustion (∆combH°) : One mole of substance is burned in the presence of excess…
Q: The reaction C₂H₂(g)→2C₂H₂(g) has an activation energy of 262 kJ/mol. At 600.0 K, the rate constant,…
A:
Q: Calculate the pH of a solution that is composed of 90.0 mL of 0.345 M sodium hydroxide, NaOH, and…
A:
Q: Hess Law Act. 1 Find the AH for the reaction below: A) HCl (9) + NaNO₂ (58) → HNO₂(g) + Nack(s)…
A:
Q: a chemical equation is given below. how would you classify this reaction 2NH3 h2so4->(nh4)2SO4 A.…
A: Different type of chemical reaction: a) Precipitation reaction: In precipitation reaction an…
Q: 50.0 mL of 0.100 M HOAc is titrated with 0.100 M NaOH. Calculate the pH at the beginning of the…
A: An acid-base titration is the titration used to determine the unknown concentration of an acid or…
Q: 2) Based on the number of atoms N, how many normal vibrational modes does CH4 have (CH4 is…
A: 2) Based on the number of atoms N, how many normal vibrational modes does CH4 have (CH4 is…
Q: Are all sodium salts neutral? Why or why not? Explain using data from this lab.
A: Please find your solution below : Salt is a chemical compound found by the reaction of an acid with…
Q: 3.5L of CO2 @STP to mol=
A: Given , Volume of CO2 at STP = 3.5 L
Trending now
This is a popular solution!
Step by step
Solved in 4 steps with 2 images
- 1. A 0.9882 gram sample of iron ore is dissolved, the iron reduced to Fe2+, and the solution was titrated with 36.40 mL of 0.02065 M KMnO4 in acid solution. (a) Write the titration reaction. (b) Calculate the %FeO (M.M. = 71.85) in the sample.A solution of Na2S is mixed with a solution of CuCl2. A black precipitate is formed. Write the net ionic equation for the reaction, and identify theblack precipitate.0.683 grams of iron mineral dissolves with acid. Fe2+ is titrated with Ce(SO4)2 solution. Calculate the iron percentage (Fe: 56 g/mol) since 38.5 mL of 0.161 M titrant is consumed in the titration.
- When 38.0 mL of 0.1250 M H2SO4 is added to 100. mL of a solution of PbBr2, a precipitate of PbSO4 forms. The PbSO4 is then filtered from the solution, dried, and weighed. If the recovered PbSO4 is found to have a mass of 0.0471 g, what was the concentration of bromide ions in the original solution? (Molar Mass of PbSO4 = 303.28g)Calculate the pH of a solution that is 0.100 M in Fe(NO3)3.1. A sample containing magnetite, Fe;O4, was analyzed by dissolving a 1.5419-g sample in concentrated HCI, giving a mixture of Fe2+ and Fe³+. After adding HNO3 to oxidize any Fe2+ to Fet, the resulting solution was diluted with water and the Fe+ precipitated as Fe(OH)3 by adding NH3. After filtering and rinsing, the residue was ignited, resulting to 0.8525 g of pure Fe2O3. Calculate the: a) % (w/w) Fe b) % (w/w) Fe;O4 in the sample.
- To determine the amount of magnetite, Fe3O4 in an impure ore, a 1.5419 g sample is dissolved in concentrated HCl to obtain a mixture of Fe2 + and Fe3 +. After HNO3 is added to oxidize Fe2 + to Fe3 + and diluted with water, Fe3 + is precipitated as Fe (OH) 3 by adding NH3. 0.8525 g of pure Fe2O3 is obtained by filtering, rinsing and burning the precipitate. Calculate the percentage of Fe3O4% in the sample. (Fe = 55,847g / mol, O = 15,999g / mol)1. A sample containing magnetite, Fe;O4, was analyzed by dissolving a 1.5419-g sample in concentrated HCl, giving a mixture of Fe²+ and Fe+. After adding HNO3 to oxidize any Fe2+ to Fe+, the resulting solution was diluted with water and the Fe precipitated as Fe(OH)3 by adding NH3. After filtering and rinsing, the residue was ignited, resulting to 0.8525 g of pure Fe2O3. Calculate the: a) % (w/w) Fe b) % (w/w) Fe;O4 in the sample.The arsenic in a 1.22-g sample of a pesticide was converted to As by suitable chemical treatment. It was then titrated using Ag+ to form Ag3AsO4 as a precipitate. (a) What is the oxidation state of As in As ? (b) Name Ag3AsO4 by analogy to the corresponding compound containing phosphorus in place of arsenic. (c) If it took 25.0 mL of 0.102 M Ag+ to reach the equivalence point in this titration, what is the mass percentage of arsenic in the pesticide?
- When solid Fe metal is put into an aqueous solution of NiSO4, solid Ni metal and a solution of FeSO4 result. Write the net ionic equation for the reaction. (Use the solubility rules provided in the OWL Preparation Page to determine the solubility of compounds.)The acid ionization constant for Co(H 2O) 62+(aq) is 3 ×10-10. Calculate the pH of a 0.10 M solution of Co(NO3)2.What is the oxidation state of Cl in CaOCl2 ?