C-OH COOH 100° Amide HO `NHCH

Q: Be sure to answer all parts. How many moles of cobalt (Co) atoms are there in 2.00 x 10 (2.00 billio...

A: No of atom is equal to mole × avagadro number

Q: Why aree ther differences in the frequencis Ne the Mo'theory to justiby acetome (1731 cm-!) answer. ...

A: The streching frequency of carbon depends upon  υ = (1/2π)(κ/μ)1/2  υ = streching frequency π = pi =...

Q: equilibrium concentration at

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Q: Molecular Equation below. Make sure to steps for balancing whole chemical equations. Must include re...

A: A question based on stoichiometry that is to be accomplished.

Q: C(s) + CO,(g) 5 2CO(g) K, = 1.90 atm

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Q: An atom has an of electronic configuration 1s2 2s2 2p6 3s2 3p6 4s1 3d9. Estimate the number of its m...

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Q: H2SO4

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Q: Be sure to answer all parts. Caleulate the molecular mass or formula mass (in amu) of each of the fo...

A: Molecular mass - The sum of the atomic masses of all atoms in a molecule. 

Q: At a certain temperature, the equilibrium constant K for the following reaction is 9.34 x 10°: H,(g)...

A:

Q: 2. To make 5 mL of 2M Tris (MW = 121.1) solution you would add: a) 01211 b)12.11 g of Tris in a fina...

A: 5ml of 2M tris (MW= 121.1g)  Concentration (C)= 2M  Volume(V) = 5ml = 5x10-3 L  Number of moles(n) =...

Q: OH Нeat MeO Me Me OMe Он HO Me MeO MeO Me Me MeO Me A B Me Me D Me

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Q: Which of the following processes is exothermic, given the following: N2(9) + 2 O2(g) → N204) AH°= 9,...

A: Given -> N2(g) + 2O2(g) --> N2O4(l).      ∆H°= 9.67 kJ/mole N2(g) + 2O2 (g)--> 2NO2(g).    ...

Q: Clik in the answer box to activate the palette. Determine the empirical formula of a compound contai...

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Q: A HCN – NaCN solution has a pOH of 8. The HCN concentration is 0.2F. Find the concentration of the N...

A: Consider the given information is as follows; pOH = 8 Ka of HCN = 4×10-10 Concentration of HCN = 0.2...

Q: If 38.6 mL of 0.25 M hydrochloric acid are needed to completely neutralize 26.0 mL of a solution of ...

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Q: When 30.5 mL of sulfuric acid solution was completely neutralized in a titration with 0.593 M NaOH s...

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Q: Which of the following statements is/are correct at 25 °C? 1. Benzoate (C,H,O2) requires a Ka to det...

A: To calculate the pH of weak acid and base we need their Ka and Kb values.  Kb of lactate ion can be ...

Q: For the reaction, N2(g) + 2 O2(g) ➞ 2 NO2(g) , the enthalpy change is 33.9 kJ/mole of NO2 formed. Wh...

A: Enthalpy is a thermodynamic property which is an extensive additive property we are required to find...

Q: a. Cyclooctatetraene (COT) is shown below. Assume the molecule is planar, use the Hückel molecular o...

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Q: The value of K, at 25°C for proplonic acid (CaisCOgH) is 1.34 x 10. What is the pH of a 0.02019M aqu...

A: Answer: This question is based on the understanding of Henderson-Hasslebalch equation that we use fo...

Q: 1. Chemical potential energy is found in the. between atoms and is transformed into energy during ch...

A: Specific heat of Fe = 0.451 J/g degC Specific heat of Pb = 0.129 J/g degC

Q: How much heat (kJ) is evolved when 4.50 g of Fez03 is reacted with excess carbon monoxide using the ...

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Q: A HCN NACN solution has a pOH of 8. The HCN concentration is 0.2F. Find the concentration of the NaC...

A: Given data is as follows: The pOH of the buffer solution = 8 The concentration of HCN = 0.2 F The Ka...

Q: In nature, COT adopts a "tub-shape," as was shown in class. Assuming the molecule distorts to this n...

A: In the given problem we are required to predict whether the cyclooctatetraene is aromatic, non aroma...

Q: acid-base titration

A: Titration of acid with called acid base titration Or neutralisation . In which a primary standard su...

Q: Substances A, B, and C can all act as oxidizing agents. In solution, A is green, B is yellow, and C ...

A: Given :  A , B and C all are oxidising agents and reduces to A- , B- and C- respectively.  In soluti...

Q: Mercury and oxygen react to form mercury(II) oxide, like this: 2 Hg(1)+O2(g)–→2 HgO(s) At a certain ...

A: Kc is the ratio of  product of concentration of products raised to their stoichiometric coefficient ...

Q: A 4.00 L flask at 25 °C is filled with 0.266 moles of X2 and 0.344 moles of Y2 and allowed to react ...

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Q: Properties of alkanes, alkenes and alkynes

A: The correct answer is given below

Q: Complete the reaction scheme below with the missing structure and any other necessary reagents. You ...

A: The answer is as follows:  

Q: How is the term "organic" used among farmers and food stores today? Carbon's atomic number is six. W...

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Q: is NaHSO4 polar or nonpolar?

A: Given -> NaHSO4      

Q: The overlap of atomic orbitals shown here will give rise to a molecular orbital with what type of ch...

A: Concept : Atomic Structure  1) positive part of wave function + positive part of wave function leads...

Q: A 27.0-mL solution of 0.120 M CH3COOH is titrated with a 0.230 M KOH solution. Calculate the pH afte...

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Q: Write balanced equations for the dissolution reactions and the corresponding solubility product expr...

A: We have to find the expression for solubility product. 

Q: What is the mass of 4.50 x 1044 Cu atoms?

A: Given :- number of Cu atoms = 4.50 × 1022 atoms  To calculate :- mass of Cu (in g)

Q: For the particles of an atom, which two particles have the same mass?

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Q: Consider the following reaction and the tabulated thermochemical data at 298 K. 4 NH32) + 5 O2g) → 6...

A: Answer: This question is based on the relationship between Gibbs free energy change, standard Gibbs ...

Q: Show the mecanism for the protection of the diol by forming an acetal with acetone. Remember this re...

A: Diol is used for protection of carbonyl group .  

Q: Calculate the standard enthalpy change for the reaction 2C8H18() + 1702(g) 16CO(g) + 18H20(). Given ...

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Q: 1. ACID/BASE. Supply the missing reactants and products and balance eac equation. All are acid-base ...

A: Balanced reaction are:

Q: Earth’s atmosphere by volume. What is the partial pressure of argon  when the total pressure is 760 ...

A: Total pressure = 760 mm Hg Mole fraction of Argon = 0.0093  Partial pressure = mole fraction × Total...

Q: A technician tritated a vinegar sample. Data Below: Concentration of NaOH = 0.500 M Final buret re...

A: Given :  Concentration of NaOH = 0.500 M Final buret reading = 32.46 mL Initial buret reading = 23.8...

Q: Pick the MOST and LEAST basic compounds below

A: According to Lewis concept of acid and base, acid is substance which can accept lone pair of electro...

Q: What is the mean speed, K, of N2 molecules in air at 25°C?

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Q: Consider the problem below: (Equation 1) H2(g) + F2(g) ---> 2 HF(e) AH = -542.2 kJ/mol %3D (Equation...

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Q: How do you write out a balanced chemical equation?

A: To write a balanced equation, the reactants go on the left side of the arrow, while the products go ...

Q: 4.The elementary and irreversible reaction 2A B+C takes place in 50°C and the rate constant is 1 min...

A: Given elementary reaction is :  2A -----------> B + C  Rate constant = k = 1 min-1 M-1  Initial m...

Q: Consider a 1.00 L of 1.50x10-3 M hydrocyanic acid (HCN, K,=4.9x10-10). 1. Write the equilibrium expr...

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Q: At a particular temperature 8.0 mol NO, gas is placed in a 1.0-L container. Over time the NO, decomp...

A: Given, No of moles of initial moles of NO2 = 8.0 mol  At equilibrium concentration of NO = 3.7 M