Which of the following is a correctly balanced reduction half-reaction? * 2Sb + 3H20 + 6e- → Sb203 + 6H^+ 2HCN + 2e- - C2N2 + 2H^+ O NO3^- + 3H^+ + 3e- HNO2 + H20 O Sb205 + 6H^+ + 4e- 2Sb(OH)^2+ + H20

Q: For the reaction in the box, what is the structure of the missing reactant? H;C OH он ? H;CO H,SO, Ó...

A: Carbonyl compound (aldehyde and ketone) reacts with an alcohol to form hemiacetal in the presence of...

Q: Find the pH of (OH-] = 0.0025. O pH = 11.2 O pH = 11.4 O pH = 11.0 O pH = 2.60

A: We know that,  POH is negative logarithm of OH- concentration.

Q: grams

A:

Q: А. В. С. нн Lo-CH2 CH2 CH3 H OHH2 но— с-он H H H2 SH H H fo B.

A:

Q: solution is prepared by dissolving 40.00 g of NaCl (f.w. = 58.44 g mol–1), a non-volatile solute, in...

A: Given : Mass of solute = 40g Density = 1.000g/ml

Q: 3. Devise a separation scheme similar to the scheme in Figure 4.2. for the following four compounds....

A: The functional groups of a molecule are the key components and it is used to provide the notable che...

Q: Below are some objectives. Check if each objective possesses the SMART characteristics. If not, plea...

A: Answer - Since you have posted multipart of question as per the guidelines i have solved first three...

Q: 2. Consider the compound X-it has a Ka of 2.5 between ether and water, You are presented with 10 gra...

A: Kd = concentration of X in ether / concentration of X in water = (mass of X in ether / volume of eth...

Q: Draw the structure of each conjugate base, and indicate which is more stable. Provide a brief explan...

A:

Q: Your lab-mate observes a large amount of streaking and blurring of their samples when they visualize...

A: It is the major problem that YTLC plate seems to be blurred in the UV light.  But you can overcome t...

Q: mass

A:

Q: The rate constant for this second‑order reaction is 0.540 M−1⋅s−1 at 300 ∘C.   A⟶products How long...

A: Given: Reaction is second order. Rate constant of the reaction = 0.540 M-1s-1. And the concentration...

Q: Which of the following is not totally dissociated when mixed with water? HC1 а. d. HF b. НBr е. HNO;...

A: The acid which is not totally dissociated when mix with water is given below.

Q: A chemist adds 0.45 L of a 2.9 × 10 M copper(II) fluoride (CuF,) solution to a reaction flask. Calcu...

A:

Q: Balance each of the following equations. Please answer 1-4. 1. C12H22O11 + O2 --> CO2 + H2O 2. Ca2...

A:

Q: Match the molecule to the set of spectra given. 100- 75 100 125 150 200 180 160 140 120 100 80 60 40...

A:

Q: Steam reforming of methane ( CH, ) produces "synthesis gas," a mixture of carbon monoxide gas and hy...

A: KC is equilibrium constant

Q: the following acids and bases as strong acid/strong base/weak acid/weak base. b) Write equations sho...

A: Weak acid in aquaous solution gives fewer number of H3O+ ion and there is a equilibrium between diss...

Q: Below are some objectives. Check if each objective possesses the SMART characteristics. If not, plea...

A: In the given questions some objectives are given. 1. Position of an element in periodic table gives ...

Q: Label the following as aromatic, antiaromatic, or nonaromatic

A: Rule for Aromaticity :- 1) Compound must be cyclic  2) Compound must contain all the atom in same pl...

Q: CH2 он Tyrosine Draw the structures of tyrosine as different pH values. Please refer to the lecture ...

A: Solution -

Q: Need solution to all parts urgently   The solubility of 1,1,2-trichloroethane in water is 4500 mg/...

A: In this question , we will use Henry's law equation which is       P( partial pressure of gas) = S(s...

Q: What is a major product of the reaction in the box? Mg D20/DCI ? Br A) OD B) C) D) H. D D

A: When grignard reagent react with D2O then halogen replaced by D atom

Q: How many molecules are in 119.78g of C4H10?

A: Given weight = 119.78 gram

Q: What is a nucleophile? Provide some examples of nucleophiles that would work well in the SN2 reactio...

A: We have to tell about nucleophile.  

Q: Calculate the fluid intake in milliliters (mL) for the following lunch. (Assume a glass holds 8 oz.)...

A: 1 glass = 8 Oz  1 Oz = 29.57 mL

Q: Buffer solutions, O tend to maintain a relatively constant pH. will always have a pH of 7. cause an ...

A: The pH of the blood is 7.4 and blood is the buffer of carbonic acid (H2CO3) and carbonate ion (HCO3-...

Q: 3. Calculate the volume of each solution, in liters. C. a 0.4 M solution containing 290 g of aluminu...

A:

Q: A toy top has a mass of 32.0 g Cu. How many atoms Cu are in this spinning top, given that the averag...

A: Given : Mass of copper = 32g  

Q: A toy top has a mass of 32.0 g Cu. How many atoms Cu are in this spinning top, given that the averag...

A: We know , in 1 mole of any atoms , there is avogadro number of atoms i.e. 6.022×1023 number of atoms...

Q: Determine which solvent is best for distinguishing the following pairs of chemicals based on their a...

A: In solubility case one have to recall one parameter that is polarity. And polar compounds always dis...

Q: A second order reaction has an initial concentration of 1.53 M.  If the half-life of the reaction is...

A: The solution is as follows:  

Q: Give the structural formula of the compounds H to J. Boc20 THF, 0°C (1) TBDMSOT† H H2N (2) Bu NF, Br...

A: 6. The required product is shown below.

Q: Predict the product of the reaction of methanal with Grignard reagent.

A: The grignard reaction is an organometallic reaction in which alkyl magnesium halides (grignard reage...

Q: Select the correct definition for each of the following terms: (i) thermal energy    energy that r...

A: All of these are different types of energies. They are defined in the following step.  

Q: n nuclear reaction:

A:

Q: Calculate the activation energy of the alternate pathway, assuming the reaction rate increases bay a...

A: logkcku=EU-EC2.303×R×Tthe activation energy for  uncatalyzed reaction =EUthe activation energy for  ...

Q: I. Directions: Draw the lewis structures of the neutral atom and the ion of each element. Determine ...

A: The determination of the valence electron count of all the given atoms is the important step to solv...

Q: A 7.2g sample of potassium chloride is dissolved in 100g of water at 65*C. The solution is cooled to...

A: Solubility Vs Temperature graph of different salts

Q: Careful measurements of the potential of the cell Pt|H2(g.pe)|NaOH(aq,0.0100 mol kg-4),NaCl(aq, 0.01...

A:

Q: If the reactant provided is neutral what can be done in basic conditions to produce a nucleophile. P...

A: Neutral molecule is Ethanol. Basic condition is taken is NaOH. It forms ethoxide . Which act as nucl...

Q: Molecule ЕPG Hyb (circle if 2D Lewis Structure 3D Lewis Structure MG polar) ВА CIF3 XeC3- NOZ

A: The Lewis structures for the given molecules ClF3 XeCl22- NO2- are shown in the next step.

Q: of atoms of

A:

Q: For each of the following acids or bases below a) Label the following acids and bases as strong acid...

A:

Q: type of reaction

A:

Q: Question 3 OH но Но OH OH но но HO но но ÓH Which is the correct IUPAC name of the structure given? ...

A:

Q: nuclear equation

A:

Q: Questions: 1) What is the basis for the identification of the amines in the test? 2) Devise a separa...

A: This question is about the seperation of primary amines, amines and tertiary amines. This question p...

Q: A solution made up of 2.00 g of an unknown solute and 275 mL of water (d = 1.00 g/mL) has an osmotic...

A: Given: Mass of solute = 2.00 g The volume of solution = 275 mL Osmotic pressure = 0.872 atm Tempera...

Q: The decomposition of N2O5 can be described by the equation   2N2O5(soln)⟶4NO2(soln)+O2(g) Consider...

A: