Volume (Weight of sample (g) NxmEw Weight V. 100 Volume 1

Q: For Cr23+ ion, calculate the wavelength of the light that is emitted upon the electron's transition ...

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Q: Ise the table 'Standard Reduction Potentials' located in the 'Tables', to predict if a reaction will...

A: Given -> Co is added in solution of 1 M Al^3+  

Q: Calculate the pH at the equivalence point for the following titration: 0.40 M HCl versus 0.40 M meth...

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Q: activity 1. Problem Solving Directions: Calculate the AS for each given reaction. Show your complete...

A: Change in entropy ΔS0 for a reaction is given by,      ΔS0rxn  = Σ S0products - Σ S0reactants     

Q: Please I want you to write a sample on ‘results and discussion on the identification of laboratory e...

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Q: Compare and contrast work energy and heat energy. How does this apply to thermodynamics? Use the pap...

A: Energy can take various forms. We all know that energy can change its form but can neither be create...

Q: PROBLEM SOLVING NUMBER 3

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Q: Consider the reaction: 2Sb(s) + 312(s) → 2Sbl3(s). Determine the limiting reactant and the theoretic...

A: First of all we will calculate moles of SB and I2. Limiting reagent is that substance which is prese...

Q: Which of the following additions will result in a decrease in the pH of the solution? O Adding ammon...

A: 1) adding ammonium nitrate to an ammonia solution.

Q: 3. Carbon tetrahydride (CH4) reacts with oxygen gas (O2) to produce carbon dioxide (CO2) and oxidane...

A: Given, Carbon tetrahydride (CH4) react with Oxygen (O2) gas to produce carbon dioxide (CO2) and wate...

Q: The molar heat of combustion, A Hi, of sucrose is -5643.4 kJ mol-1. If 0.250 moles of sucro: reactor...

A: □Hrxn = n × □Hc  =0.250 × (-5643.4) = -1410.85 kJ □Ssurr. = -□Hrxn/T

Q: 4. Consider the reaction of ammonium ions (NH*) and nitrite ions (NO,"), shown in Equation 19. NH,*(...

A: Answer: Order of reaction with respect to each reactant is actually its molecularity in the rate det...

Q: Answer the following questions about the Lewis structure for ammonium carbonate, (NH4)2CO3 There are...

A: Lewis structure of NH4+ ion is given by, Lewis structure of CO3-2 ion is given by,

Q: In each box please fnd and then write the correct element by name, its atomic number, atomic mass, a...

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Q: The atomic structure of four particles are shown. electrons protons neutrons 18 17 18 Q 18 17 20 17 ...

A: Isoelectronic species can be defined as the species which have same number of electrons in an atom. 

Q: In an alternate universe, these are types of electron cloud shapes a D cloud (shape in blue), and a ...

A: Answer: This question is based on the understanding of overlapping of orbitals that creates the bond...

Q: "c['H] NMR of product from aldehyde Z in CDC13 Draw and Label the Product There are four distinct ty...

A: H1 and C13 NMR of dibenzal acetone.

Q: Find the number of millimoles of solute in (a) 2.00 L of 0.0555 M KMnO4 (b) 750 mL of 3.25 x 10-3 M ...

A:                                               M = n (mol)V (L)              Molarity (mol/L) * V (L)...

Q: How do I calculate difference Ha? First page is my data. Part A is for the question

A: Run-1 (part-A) q = m c∆T q = heat of reaction m = mass  Volume of water = 100 mL and density of wate...

Q: Use the van der Waals equation of state to calculate the pressure P of 2.20 mol of H,O at 483 K in a...

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Q: The product (name) in the reaction with H20/ acid catalyst and H9SO4. Pls draw the whole reaction an...

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Q: What is the mass of oxygen atoms are in 4.36g of FeSO4?

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Q: 3. Consider the reaction shown below and the tabulated experimental data on initial rates. A +B+2 C ...

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Q: What is the weight of pyridine, CSH§N that must be dissolved in 250 mL of solutic to produce a hydro...

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Q: Complete the table below by deciding whether a precipitate forms when aqueous solutions A and B are ...

A: Precipitate is the solid residue obtained at the bottom of the solution.

Q: ng carbocations

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Q: Question 22 What is/are the challenge(s) of imaging pancreatic beta cells? O the poor spatial resolu...

A: A multiple choice question based on general chemistry that is to be accomplished.

Q: H,CO A в H. D Proton NMR: 7.1 (doublet, 2H), 6.9 (doublet, 2H), 4.0 (quartet, 2H), 3.5 (singlet, 2H)...

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Q: 3. Place a piece of magnesium ribbon at the end of a glass tubing. Ignite it in the Bunsen flame. a....

A: Given: a piece of magnesium ribbon is burnt by bunsen flame

Q: Fill in the missing chemical formulae in the tables below. acid conjugate base base conjugate acid H...

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Q: Please Help

A: Since you have posted multiple questions, the answer for first question is given below. Kindly repos...

Q: What are the two components of a buffer solution? How do each of them maintain pH?

A: Answer: Buffer solution is the type of solution whose pH doesn't change on adding small quantity of ...

Q: 1. Calculate AH for the reaction: C2H4 (g) + H2 (g) ing data. a. C2H4 (g) + 3 02 (g) → 2 CO2 (g) + 2...

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Q: QUESTION: What is the total number of d electrons in a single (ground state) K atom?

A: Atom K = potassium  Atomic number of potassium = 19 Hence potassium has 19 electrons 

Q: Use the table of Bond Energies (BE) in the table below to calculate the Heat of Reaction, AHxg for t...

A: Given:

Q: Use the References to access important values if needed for this question. When the following skelet...

A: Concept  1) The species which oxidised others while reduced itself is called oxidising agent.  2) Th...

Q: 1.28 x 1023 molecules of C10H22 would have what number of carbon atoms? How many moles are there in ...

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Q: A 50/50 gas mixture of two gases in one container has to be a 50/50 split of each quantity except: v...

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Q: 7) The most important reaction that allows our cars to do work is octane (C8HI8) combustion. 2 08HI8...

A:   As per guidelines if multiple questions posted  first question is allowed to solve , please post i...

Q: 28. Calculate the overall net charge for the tripeptide leucine-lysine-histidine for pH = 1, 3, 5, 7...

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Q: NO2 ZON 'N. CH3 N. CH3 A о в

A: Answer: This question is based on the capacity of donating the lone pair in a reaction, higher that ...

Q: When the following skeletal equation is balanced under acidic conditions, what are the coefficients ...

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Q: If 4.7 g of sodium carbonate reacts with calcium hydroxide, what is the mass of the precipitate?

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Q: Answer the following questions about the Lewis structure for iron (III) hydrogen phosphate, Fe2(HPO4...

A: Lewis structure of Hydrogen phosphate ion is given by,  

Q: A 0.0670-g quantity of acetic acid is dissolved in enough water to make 50.0 mL of solution. Calcula...

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Q: This is an experiment of a salt hydrate CuSo4 xH20 obtained during a practical. Use these values to ...

A:            Mass of Crucible with salt hydrate = 23.564 g                             Mass of empty c...

Q: What is the maximum value of the secondary quantum number (ℓ) allowed for atomic electrons with a pr...

A: Quantum numbers :- Quantum numbers are like address of electrons inside the atom  There are four qua...

Q: C-OH COOH 100° Amide HO `NHCH

A: Here we have to write the major product formed in the following given reactions.  

Q: Formula Lewis structure Electron group Molecular Polarity (or ion) АХЕ Bond Notation geometry geomet...

A: • AXE notation :  A- Means crntral atom. You will always have this.X - Number of bonded pairs to the...

Q: Which diagram shows the outer shell electron arrangement in a molecule of methanol, CH3OH? A B H H H...

A: Octet Rule :-  During the formation of a molecule an atom of an element lose, gain or share electron...