Calculate the initial ferric ion concentration, [Fe*]o, in the reaction mixture obtained by combining 2.00 mL of 0.00218 M Fe* (aq) with 500µL of 0.00185 M SCN¯ (aq): Give your answer in millimolar (mM) to three decimal places. You may assume that volumes of dilute, aqueous solutions are additive.

Q: Distinguish between homogeneous catalysis and heterogeneous catalysis. Describe some important heter...

A: Catalysts is a substance that is added in a reaction vessel in order to increase the speed of the re...

Q: A 4.05 g sample of an unknown gas at 33 °C and 1.05 atm is stored in a 3.05 L flask. What is the den...

A:

Q: Hydrogen is prepared commercially by the reaction of methane and water vapor at elevated temperature...

A:

Q: Gaseous butane (CH;(CH,),CH;) reacts with gaseous oxygen gas (02) to produce gaseous carbon dioxide ...

A:

Q: What is the pOH of a buffer made of 1.7E-1 M (CH3)3N(aq) and 5.4E-1 M (CH3)3NHCl(aq)? K for (CH3)3N ...

A:

Q: Calculate the pH of the following solutions.  0.40 M phthalic acid

A:

Q: 2. Assign the absolute (R or S) configuration to each stereocenter in the molecules depicted below. ...

A:

Q: HCI (а) H3C-CEN: H20 '2 H30* tert-BuO¯ A (b) B Br2 tert-BuOH (с) 2 CHя—с—он HO-CH2-CH2-CH2-OH H* +

A:

Q: Determine the (H*]. [OH-], and pH of a solution with a pOH of 7.25 at 25 °C. [H*) = 1.8 x10-7 = [-HO...

A: Given that  POH= 7.25  We have to determine [H+] , [OH-]  and PH of a solution  Complete solution is...

Q: A virus has a mass of 9.0 x 10 12 mg and an oil tanker has a mass of 3.0 × 10´ kg. Use this informat...

A: Mass of virus = 9.0× 10^-12 mg Mass of tanker = 3.0× 10^7 kg    

Q: 4. Give the IUPAC name or draw the correct structure for the following CH3 CH2 CH2 CH3 CH3 CH2 CH3 C...

A:

Q: Indicate whether each of the following compounds dissolves in water to give ions, molecules, or both...

A:

Q: A chemical engineer is studying the following reaction: HCN(aq)+NH3(aq) → CN (aq)+NH(aq) At the temp...

A:

Q: Problem 6: Propose a synthesis of the following compound from the starting materials shown below in ...

A: GIVEN:-

Q: Given the reaction: 4 Fe(s) +302(g) → 2 Fe203(s) A H= -1652 kJ, what is the enthalpy change when 2.0...

A: The correct option is:  

Q: EXERCISE 3.2 Predict the structures of the following ions. Include a description of distortions from...

A: Dear student, since you have asked a question which has multiple subparts according to guidelines we...

Q: HO HO Но Circle the ester and box the carboxylic acid functional groups in the structures below.

A: Ester group The ester group is R-COOR'. Where R and R'  is alkyl groups may be same may be different...

Q: 2. A Mg(OH)2 solution has a concentration of 4.0x10-5 M. Calculate the molarity of each ion in solut...

A: since, 2 mol OH- is produced from 1 mol Mg(OH)2 hence molarity will be doubled for OH-

Q: Which of the following would have the greatest dipole? a) Cl-Br 47. b) N-F c) 0-F d) P-S

A: • The given bonds are-         Cl-Br , N-F , O-F and P-S    • We need to determine which bond has gr...

Q: If 27.1 grams of bromine and 12.0 grams of chlorine combine to form bromine monochloride, how many g...

A: Given :-  Bromine + chlorine ---> bromine monochloride  Mass of Br2 = 27.1 g  Mass of Cl2 = 12.0 ...

Q: 8. The pH at one-half of the equivalence point in a weak acid – strong base titration was determined...

A: Given,  pH at one-half of the equivalence point in a weak acid-strong base titration = 4.13  What is...

Q: The carbon chlorine bond in chloromethane (CH3Cl) has a bond distance of 178 pm.  Assuming a 100% io...

A:

Q: A standard galvanic cell is constructed in which a Cu2+ | Cu half cell acts as the cathode. Which of...

A: The correct statement about galvanic cell is given below

Q: The Lewis structure of the molecule, NH,O*, contains a) b) c) d) 1 double bond and 4 single bonds 5 ...

A: The Lewis structure of a molecule describes the distribution of valence shell electrons around each ...

Q: Fill in the orbital energy diagram for the carbon atom. 티 2s- 1s Retry Entire Group 9 more group att...

A:

Q: # How many Kinds of cnemically non- eauivalent hydr ogens are there in each of +ne tollowing compoun...

A:

Q: Which of these acid definitions does NOT involve hydrogen ion? A) Arrhenius b)   Bronsted – Lowry   ...

A:

Q: a) Lead-acid batteries can deliver, for a few seconds, huge surge currents, a useful i car and truck...

A: One coulomb of charge consists of 6.24×1018 electrons. Number of electrons present in 400 C=400×6.24...

Q: .48 Copper .52 Oxygen What is empirical formula

A: Empirical formula of a compound is written by the simplest ratio of various elements present in the ...

Q: A sample of mixture of Na,SO3 and Na,S,03 is dissolved in water and reacted with HCl. The equations ...

A: G

Q: statement. (e) Why methyl chloride absorbs at lower wavelength than methyl iodide?

A: Wavelength of   Methyl chloride is approx. 172-175 nm and Wavelength of methyl iodide approximate 25...

Q: The compound aluminum acetate is a strong electrolyte. Write the reaction when solid aluminum acetat...

A: In the presence of water, strong electrolytes are completely dissociated into their constituted ions...

Q: a. What is the name of this type of lipid? b. How many ester bonds are present in this molecule? c. ...

A:

Q: Which alcohol below has the lowest acidity * a) methanol b) Ethanol c) Isopropanol d) Tert-butanol e...

A:

Q: (b) Calculate the CFSE in following complexes: 1) Ni(NH3)j* (ii) [Fe(CN)s}*

A: Given,  Calculate the CFSE in the following complexes :  (i). [Ni(NH3)4]2+  (ii). [Fe(CN)6]3-   

Q: Na Mg 38 48 58 68 78 88 – 18 28 AI SI P S CI Ar Arrange the following ions in order of decreasing io...

A:

Q: (c) Explain crystal field splitting in the case of tetrahedral complexes.

A: Crystal field splitting in tetrahedral complexes:

Q: In your own words, discuss the reason why stray light should be minimized. How does stray light affe...

A:

Q: For the given orthorhombic figure below , calculate its atomic packing factor. b=0.495 nm a=0.286 nm...

A:

Q: 1. Using FAAS, the instrument response to a 10 mg L-1 Cd standard solution is 0.2565 au (absorbance ...

A: Cd solution :-  Initial concentration = C1 = 10 mg L-1  Initial absorbance = A1 = 0.2565 au Final co...

Q: Provide curve arrow mechanism for the following reaction and include all major and minor produce AIC...

A: Friedel-Crafts Alkylation refers to the replacement of an aromatic proton with an alkyl group. This ...

Q: Why, the rates of reactions involving Co and Cr" be different from those involving other first-row t...

A: Co and Cr is first row transition metal but rate of reaction is different than other first row eleme...

Q: Fill in the orbital energy diagram for zinc. 3d 4s Зр E 3s 2p 2s Common Greek(upper) Greek(lower) Ar...

A:

Q: Ca(s)                      Ca(g)                                                    DHat = +190 kJ/m...

A:

Q: The compound ammonium sulfate is a strong electrolyte. Write the reaction when solid ammonium sulfat...

A: A strong electrolyte completely ionizes in water.

Q: Why does benzoic acid have a higher melting point than naphthalene? Relate it to their structure and...

A:

Q: How does ammonia, dimethylglyoxime (DMG), and 8-hydroxyquinoline (8HQ) interact with your cations, l...

A: In paper chromatography, substances are distributed between a stationary phase and a mobile phase. T...

Q: m Calculate the kinetic energy of a 67. g bullet moving at a speed of 499.

A: Given : mass of bullet = 67. g             speed = 499. m/s  To be calculated :- kinetic energy (J)

Q: What are the reaction products of (R)-3-methylcyclohexene in the reaction sequence of hydroboration-...

A:

Q: Gaseous butane (CH;(CH2),CH3) CH3) reacts with gaseous oxygen gas (02) to produce gaseous carbon dio...

A: