A sample of C, H, has 4.64 x 1024 H atoms. How many carbon atoms does the sample contain? number of carbon atoms: What is the total mass of the sample? mass: 21 Catoms gC H.

Q: For a particular redox reaction, NO is oxidized to NO and Fe³+ is reduced to Fe²+. Complete and…

A:

Q: 1. Draw the Condensed and Line Angle structural formula of the IUPAC name given. A.)  3 -…

A: In this question we have to tell the condensed and line angle formula for the given IUPAC name of…

Q: Consider the following reaction at 298K. Hg2+ (aq) + Zn(s)→→→→→→ Hg({) + Zn²+ (aq) The standard…

A:

Q: An allylic free radical halogenation occurs to give the major product shown. Note NBS is a source of…

A: The reaction mechanism given is,

Q: What is the calculated value of the cell potential at 298 K for an electrochemical cell with the…

A:

Q: voltaic cell is constructed from a standard Zn2+ Zn half cell (E° red -0.763V) and a standard Br₂ Br…

A: In this question, we have to fill the given boxes from the given information.

Q: 7. Write a chemical equation showing how each of the following species can behave as indicated when…

A: The species which increases the H+/H3O+ ion concentration acts as an acid  The species which…

Q: How many moles of chloride ions are contained in a 908 mL solution of 0.198 M MgCl2? Report your…

A:

Q: Determine if the acid-base neutralization reaction of hydrochloric acid (HCl) with sodium hydroxide…

A: Given: The reaction of NaOH and HCl at 37 oC. Assuming that the ΔHo and the ΔSo of the reaction is…

Q: 2. In each of the following sets of diatomic molecules, draw the molecular orbital correlation…

A: In this question some diatonic molecules are given and asked their HOMO LUMO orbitals, magnetic…

Q: Chemistry Need to write about the green chemistry princliples of the aldol reaction. These are some…

A: one of the principle is prevent means that in the aldol reaction there is no unnecessary materials…

Q: Check the box next to each molecule on the right that has the shape of the model molecules (check…

A: The structures of all the molecules are given in the following step.

Q: Which alkyl bromide would give the highest yield (be the best choice) to do an alkylation reaction?…

A:

Q: 7 15) The dissociation of molecular bromine into bromine atoms is represented as Br2(g) 2Br(g) At…

A: First we will calculate the equilibrium concentration of Br2 ,after it's  initial value can be…

Q: QUESTION 13 A fictitious electrochemical cell has anode A and cathode B with a standard cell…

A:

Q: If 45 mL of a 6.5 M HNO3 solution is added to 55 mL of water, what is the new concentration?

A:

Q: H₂(g) + Cl₂(9) 2HCl(g) Use the standard thermodynamic data in the tables linked above. Calculate AG…

A:

Q: Which is the major product/products of the following reaction? NaOEt Multiple products

A: Note : The reaction is E2 elimination. For E2, H and Cl in antiperiplanar geometry is required. (see…

Q: How many atoms of oxygen are present in (5.096x10^0) moles of aluminum carbonate?

A: Given : no.of moles of aluminium carbonate = 5.096 × 100 mol  To calculate : no.of oxygen atoms

Q: Estimate AS for the following reactions: a. 2 C10H22 (1) +31 O2 (g) b. HCI (g) + NH3 (g) ---- NH4Cl…

A: Note : Since you have posted multiple questions, we are entitled to answer the first only. Please…

Q: 50.0 mL of a 6.0 M stock solution of K2SO4 is diluted to make a 2.0 M solution.  How many mL of…

A:

Q: 7) Calculate the rate constant, k, of the first order reaction of the decomposition I-131, a…

A: Half life of a first order reaction is -- T1/2 = 0.693/ k Here K is rate constant.

Q: Calculate the [H +] for the hydrogen half-cell of the following voltaic cell if the observed cell…

A:

Q: 1.BH, THE 2. Oxidation -OH, H₂0, H₂02 1. Na H 2.CH3I

A: We have to write the product given reactant

Q: Check the option(s) in which a chemical reaction is always spontaneous (ASuniv> 0), regardless of…

A: To identify: The situation where the chemical reaction is always spontaneous.

Q: Write the equation for Keq for the following as a homogeneous equilibrium (only the aqueous phase)…

A:

Q: Calculate E E, and AG for the following cell reactions 2 2+ (a) Mg(s) + Sn²+ (aq) = Mg²+ (aq) +…

A:

Q: Identify if the solution is acidic, basic, or neutral. pH = 4 ✓pOH = 2 pH = 8 pOH = 4 pOH = 7 pH = 6…

A:

Q: Select the meta-substituted dibromobenzene Br Br Br Br Br & & & & Br Br Br A B C D

A:

Q: 2. Provide valid products for the following reactions. OH NaOCI HO OH Acetic Acid NaOCI TEMPO 3.…

A: 2. Oxdiation of primary alcohols to acid FG using NaOCl and acetic acid. Oxdiation of primary…

Q: 4. Use the information below to calculate Sº 3 PbBr2(s) Pb²+ (aq) + 2 Br(aq) Substance AHºf (kJ/mol)…

A: From thermodynamics , we have  ∆G° = ∆H° - T∆S°  So to calculate S° of PbBr2 (s) , we need ∆S° .  To…

Q: Which of the following molecules contains a C4 axis and a h plane: CCl4; [ICl4]; [SO4]2; SiF4; XeF4?

A: XeF4 is a square planer molecule,conatin 4 F and 2 lone pairs in an octahedral shape. So there is…

Q: 11) Consider the following equilibrium at 295 K: NH4HS(s) NH3(g) + H₂S(g) The partial pressure of…

A: This question is related to chemical equilibrium. Kp is equilibrium constant in terms of pressure…

Q: .......OH ОН

A:

Q: How many different carbocations will form from an SN1 ionization mechanism on the molecule below.…

A: In this question we have to tell how many different carbocation will form for the given molecule.

Q: A 9.00 L tank at 3.47 °C is filled with 5.15 g of sulfur hexafluoride gas and 18.5 g of sulfur…

A: We need to calculate mole fraction and partial pressure of sulfur tetrafluoride and sulfur…

Q: O

A:

Q: What statement/s is correct about a 0.0010 M solution of Na2SO4 ? Show how you got your answer in a…

A: Given, 0.0010 M solution of Na2SO4 we need to find the correct statements from given options a-e

Q: 21. Given dissolve in 450.0 mL of solution, draw a mole concept map and calculate each of the…

A:

Q: For pentane, the AH of vaporization is 26.22 kJ/mol and the AS of vaporization is 87.88 J/mol-K. At…

A:

Q: For a particular reaction at 240.4 °C, AG = -486.75 kJ, and AS = 284.22 J/K. Calculate AG for this…

A:

Q: A galvanic cell was constructed with a nickel electrode that was dipped into 1.4 M NiSO4 solution…

A: Given-> Ecell = 0.502 V E°cell = 0.487 V [Ni2+] = 1.4 M [Cr3+] = ?

Q: A chemist prepares a solution of calcium bromide (CaBr₂) by measuring out 241. g of calcium bromide…

A: Given : mass of CaBr2 = 241. g               Volume of solution = 350. mL  To calculate :…

Q: Structural, Geometric and Optical Isomers: For visual clarity, brackets [] and charges on the…

A: Given complex compound and we have to find the relationship between them.

Q: How many moles of CH4 are present in 137.96 g of methane?

A: Given :  Mass of CH4 = 137.96 g  molar mass of carbon = 12.011 g/mol molar mass of hydrogen = 1.0080…

Q: If the original gravity is 1.03 and final gravity is 0.96, calculate the percent alcohol content…

A: As per the guidelines, As you didn't specify question you want hence I'm answering first question…

Q: Which of the following pieces of equipment delivers the most accurate volume of solution. A Buret B…

A: We are to discuss which of the given instruments can measure volume of solution most accurately.

Q: the calculated value of the cell potential 296 101 an electrochemical cell with the following…

A:

Q: 3. A 4.326 g sample containing ethyl mercaptan (C₂H_SH) was treated with 50.00 mL of 0.1287 M 1₂ in…

A:

Q: coffee-cup calorimeter contains 50 mL of water with an initial temperature of 24.8°C. An unknown…

A:

Mole Concept

Mole concept is a method to determine the amount of any substance that consists of some elemental particles using a grouping unit called ‘mole’. The mole concept enables one to handle the large amount of small elementary particles. The mole concept can be used in many calculations related to mole calculation, molar amount, mole ratio, and so on, which are significant in chemistry.