1) Samples containing iron(II) ion can be titrated with solutions ion under acidic conditions. Cr₂O72- +6Fe2+ + 14H+ → 2Cr³+ + 6Fe³+ + 7H₂O (a) Which ion is oxidized in this reaction? (b) Which ion is the reducing agent in this reaction? (c) If a 1.916 g sample containing iron(II) sulfate is dissolved and requires 34.1 mL of 0.0100 M K₂Cr2O7 solution to titrate it, what is the percent iron(II) sulfate in the sample? Iran (I) Surfte 1-9169 of Impur

Q: A solution contains 5.81x10-³ M magnesium nitrate and 8.75x10-3 M lead acetate. Solid potassium…

A: Addition of potassium fluoride to the solution containing magnesium nitrate and lead acetate causes…

Q: A solution contains 1.37x10-2 M cobalt(II) nitrate and 1.14x10-2 M lead acetate. Solid ammonium…

A: • Here, the aqueous solution of mixture of two salts i.e. cobalt(ll) nitrate and lead acetate is…

Q: 6. A buffer solution contains 0.120 moles of propionic acid, HC3H5O2, and 0.100 moles of sodium…

A: Here we are required to find the pH of the acidic buffer solution which is prepared by mixing 0.12…

Q: 8. What is the mass of gold (in g to one decimal place) is produced with a 6.0 A current for 3.0…

A:

Q: Predict whether the following will fully dissociate, partially dissociate, or not dissociate and…

A: Electrolytes are those substances which dissolves in water or polar solvent to form ions and conduct…

Q: determine the pH of the resulting solutions when the 2 reagents are mixed together.  25.00mL of…

A:

Q: Consider the reaction H₂(g) + Cl₂(g) →→2HCI(g) Use the standard thermodynamic data in the tables…

A:

Q: A 67.3 g piece of iron at 525°C is put into 614 grams of water at 15.0°C. What is the final…

A:

Q: A solution contains 6.15×10-3 M cobalt(II) nitrate and 5.76×10-3 M zinc acetate. Solid sodium…

A: • Here, the mixture of two salts i.e. cobalt(ll) nitrate and zinc acetate are given in aqueous…

Q: What is the bet charge for an atom with 26 protons, 27 neurons and 24 electrons?

A: An atom is the smallest indivisible particle.  Here we are required to find the net charge over an…

Q: The drinking water standard for lead is 0.05 mg/L total soluble lead. One method for removing heavy…

A: Drinking water standards define the quality of water in terms of suspended matter, excessive salts,…

Q: The following cell notation contains two half-reactions. Pt | Fe2+ (aq), Fe3+ (aq) || Sn4+ (aq),…

A:

Q: Consider the reaction: C(s,graphite) + O2(g) → CO2(g) Using standard absolute entropies at 298 K,…

A: we have to calculate the value of delta S for the system

Q: What is the major organic product of the following reaction? (nomenclature hint: 1-hexene would mean…

A: This is an example of elimination reaction where alkyl halide undergo elimination via E1 mechanism…

Q: (a) Tsomane and Nyiko were given a task of synthesising methylenecyclohexane 2. After a brief…

A: Given :-  Reactant:-Cyclohexanon Reagent :- CH2PPh3 Medium :- THF  Product :- 1- etheneylcyclohexane…

Q: Using the literature values provided below, calculate /\H for this rection.

A:

Q: For the gas phase decomposition of nitrosyl chloride at 400 K 2 NOCl2 NO + Cl2 the following data…

A:

Q: 10) Consider the reaction below: = CO(g) + H₂(g) → C(s) + H₂O(g) Ke 17.9 @ 125.0°C Assuming you…

A: Given reaction: At 125 oC, Kc = 17.9 The volume of the flask = 500 mL = 0.5 L Moles of C(s) = 0.5…

Q: How many covalent bonds do carbon atoms always have? two O three O four one

A: Well, we know Carbon has total 6 electrons & it is having electronic configuration - 1s22s22p2…

Q: When the extent of reaction, , equals 1, the reaction is at equilibrium. True False

A: Equilibrium is attained when concentration of both reactants and products become equal i.e.…

Q: Answer Bank can have different units, such as molarity per second (M/s), inverse seconds (s-¹), or…

A:

Q: List the alkyl halides in order of decreasing reactivity towards the Sn1 reaction

A: SN1 reactions proceed via formation of carbocation in a first order reaction in which the reactivity…

Q: When gaseous F₂ and solid I₂ are heated to high temperatures, the I₂ sublimes and gaseous iodine…

A:

Q: 1. What is the pH of a buffer prepared by mixing 20.0 g of acetic acid (HC₂H302) and 20.0 g of…

A: Given :  Mass of acetic acid = 20.0 g  Mass of sodium acetate = 20.0 g  Volume of solution = 2.00 L…

Q: Which of the following structure has the R configuration Н.С 1 OH O b. II O a. I 0 c. I and III 0 d.…

A: The concept used in this question is from STEREOCHEMISTRY of organic chemistry.  Here we have to…

Q: What are the major products obtained upon treatment of tert-butyl methyl ether with excess HI? O…

A:

Q: (a) Jerry, wanted to make compound 12 through elimination reaction of 10 using hydroiodic acid as a…

A:

Q: Question 22 Which of the following could set as an electrophile? 8 CN O NHĨ Ο NH, O H₂O*

A: Electrophile : The term "Electrophile" is made up of two words, namely - Electron and phlie .…

Q: 8. What is the mass of gol hours? Au³+ (aq) + 3e →

A: for given reaction number of electrons transfered (n) = 3. current (I) = 6.0 A time (t) = 3 hr = 3 x…

Q: 1. Name these compounds: но снсH,он ÓCH3 a) b) косҫнсн он OCH3 d) сно ансњон OCH3 CH,CH₂NHECHCH₂OH…

A:

Q: 2) Name the following and include any R/5 stereochem in the name i) он OH 2 ii) CH3 H H₂C fii) d…

A:

Q: Ⓡ (b) (c) 0 HO A H H₂PO4 heat KOCH₂CH₂ CH₂CH₂OH KHSO4 KOCICH.)). D H₂PO4

A:

Q: Is this molecule chiral or achiral? and please explain

A: Since, Chiral molecule are those whose all four group or atoms  are different and that atom which is…

Q: An oxidation-reduction reaction will proceed spontaneously toward products if the standard cell…

A: We are given a statement about redox reaction  and asked whether the statement is true or false

Q: Part A Predict whether each of the following molecules is polar or nonpolar. Drag the appropriate…

A: Polarity in the molecule is due to the difference in electronegativity of the atoms. Due to…

Q: d) c) b) a) O anone. H3C. H3C Will the O What purpose CH3 What function roug OEt Eto EtOH DIBAH OH…

A:

Q: The answer was incorrect and I don't understand why

A:

Q: Based on the cell notation given in the last question, write the correct cell reaction? O Fe³+ (aq)…

A: We need to find the cell reaction using the cell notation given.

Q: w 1 THF A Ph Ph Ph B 3 1. PCC 2. isopropyl magnesium vromide 3. H₂SO4 100 °C OH What is the name of…

A:

Q: A sample to be analyzed for the presence of ferric acetate was submitted to your laboratory. Which…

A: In the qualitative analysis of ions, the constituent ions of a mixture are separated by selective…

Q: (b) Provide retrosynthetic steps leading to ketone 9 from bicyclic compound 8. Provide all…

A: Retrosynthesis involves the a logical approach which involves breaking down of the target molecule…

Q: (a) (b) (c) OH OH LOH PBr3 HBr SOC1₂

A: Organic transformations:  [As per the rules, only the first three sub-parts can be answered]

Q: The maximum level of lead allowed in drinking water is 15 μg/kg. What is this concentration in units…

A: The question is based on unit conversion. We need show all the necessary calculation.

Q: The Solubility Product Constant for zinc phosphate is 9.1 × 10¯ The molar solubility of zinc…

A:

Q: (a) Tsomane and Nyiko were given a task of synthesising methylenecyclohexane 2. After a brief…

A: Path A will go through witting reaction.  And part B will go through elimination.  After comparison…

Q: 17) The partial chemical structure and ¹H NMR spectrum of 2-propanol (C3H80) are in the hydrogen…

A:

Q: Draw a log E – temperature plot for a linear, amorphous polymer. (a) Indicate the position and name…

A: “Since you have posted a question with multiple sub-parts, we will solve the first three subparts…

Q: For the reaction 2H₂O(1)→ 2H₂(g) + O2(g) AG = 472 kJ and AH = 572 kJ at 306 K and 1 atm. This…

A:

Q: ▼ Part A The equilibrium constant, Ke, for the decomposition of COCl2 to CO and Cl₂ is 0.68. If an…

A:

Q: The K, for the following reaction is 15 at 220 °C. CO(g) + 2H₂(g) = CH3OH(g) Part A If an…

A: Given: Kc = 15 Equilibrium concentration of CO = 0.49 M Equilibrium concentration of H2 = 0.15 M