In the preparation of a standard stock solution for protein analysis, 50 mg of bovine serum albumin (BSA) was dissolved in deionized distilled water to a final volume of 10 mL. What is the weight of BSA in 0.60 mL stock solution?

Q: Although not a transition metal, lead can form Pb2+Pb2+ and Pb4+Pb4+ ions. Write the formula for the...

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Q: Is the following, C20,2 CO22, an oxidation or a reduction half-reaction? eTextbook and Media Save fo...

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Q: Why is light of at least a certain frequency needed to cause the photoelectric effect? O A certain q...

A: Photoelectric effect :- J.J Thomson observed that when a photon of having certain frequency strikes ...

Q: Which of the following HC is most soluble in water? A) Benzene and derivatives B Alkyne C) Alkane D)...

A: The correct option is option A.

Q: Part Il Sive the Systematic IUPAC names of the ff compounds. (Disregard letter e) Br (d) OH Br

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Q: hybridization

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Q: 5) Suggest the reagents required to produce the ff compounds: А. H. - CH3 В. С. :0: air,

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Q: 6KNO3 How many moles of KNO, qre Produced If 439 of Ni(NO,)3 reacts

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Q: Accurate, Erroneous, Impossible Read carefully the given partial names in IUPAC alkane nomenclature ...

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Q: Problem 64 - IR spectrum Problem 64 C10H120 50- MW = 148 40- 30- 20- 10- 3500 3000 2500 2000 1500 10...

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Q: 3. Calculate the molarity, molality and mole fraction of water in each of these solutions Solute Den...

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Q: Part A Calculate the percentage by mass of the indicated element in the following compounds. Hydroge...

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Q: . What is the corrosion rate of zinc in mdd?

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Q: ОН A `NH2 NH2 Which labelled carbon (A or B) is chiral? (A) B B) A

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Q: The percent by mass of oxygen in C3HsO is %. (Enter your answer to four significant figures.)

A: Percent mass of an element in a compound can be calculated by using the following formula: Percent m...

Q: e equilibrium constant, Kp, for the following reaction is 0.497 at 500 K: 디s(g) PCI3(9) + Cl2(g) lcu...

A: Kp is equilibrium constant

Q: Balance the following equation: C8H1803() + O2(g) --> H20(g) + CO2(g) O C3H1803() + 802(g) --> 9H20(...

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Q: BUFFERS CH3COOH and CH3COONa NH,OH and NH&Cl H3PO4 and NaH2PO4 H2CO3 and NaHCO3 NH3 and (NH4)2CO3

A: Buffers are the solutions which resist the pH change.  Acidic buffer is the mixture of weak Acid/bas...

Q: At a certain temperature this reaction follows second-order kinetics with a rate constant of 0.0152M...

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Q: Balance the given equation using half – reaction method (electron transfer method). Crl3 + H2S Crl2 ...

A: Chromium is reduced, sulpher is reduced and Hydrogen is oxidised. 

Q: The most important part of driving all scientific discovery forward is effort (to try). For  the hyp...

A: A hypothetical reaction :  1(CHEM) + 2(IS) ----> 3(TRY)  How does the rate of disappearance of (C...

Q: Draw the expanded structural formula of an organic compound with sixteen carbons using the following...

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Q: 1. For sodium perchlorate, AH =U= -382.9 and AH) =AHRydrationm =-369.5. What is AH,oln ? Is it an en...

A: Given that, for sodium perchlorate, ∆H0fs = U =-382.9 KJ/mol. Also, ∆H0faq =∆H0hydration = -369.5 kJ...

Q: Under certain conditions the rate of this reaction is zero order in ammonia with a rate constant of ...

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Q: Which statement about the charge-minimized Lewis structure of the thiocyanate anion (SCN) is true? (...

A: Given is the lewis structure of SCN- ion which shows that carbon atom has formed two sigma(σ) bonds ...

Q: 4. Justify the following statement: (i) The symmetric H-bonds are stronger than asymmetric ones

A: Symmetric hydrogen bonds are stronger than assymetric hydrogen bonds. The reason is as given below.

Q: Vinegar contains ~5 wt% acetic acid. How many grams of vinegar are required to react with 5g of NaHC...

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Q: A certain reaction is second order in N, and first order in H,. Use this information to complete the...

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Q: how much heat will be given off when 18.5g of C2H4 is burned in oxygen form CO2(g) and H2O(g) for th...

A: The combustion enthalpy of C2H2 of 18.5 g can be calculate with the help given stoichiometric equati...

Q: Example 3 A sample of zinc anode corrodes uniformly with a current density of 4.27 x 107 A/cm² aqueo...

A:   Step = 1st Solution      The following reaction:            Zn→ Zn 2+ + 2e Corrosion Rate =     (...

Q: Which one contains greater number of molecules?  25 g of H2O or 25 g H2S?  Explain your answer.

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Q: Question states. Select all forms that would definitely produce the photoelectric effect from a piec...

A: When a photon of electromagnetic radiation with sufficient energy falls on the surface of the metal,...

Q: OH The double bond is E or Z? AE B) z

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Q: Choose a balanced chemical equation for the reaction of molecular oxygen with beryllium metal to for...

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Q: Copper (II) sulfate pentahydrate, CuSO4 • 5 H2O, has 5 moles of H2O for each mole of CuSO4 in the so...

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Q: Problem 48 C10H200 Problem 48 - 13C NMR spectrum (CDC13, 125 MHz) MW = 156 34.5 45.0 22.2 23.1 20.1 ...

A: 13C-NMR: 13C-NMR provides information about the types of carbons of unknown. The peaks in the range ...

Q: 30- 25 22.285 20- atm 15 10- 5- 50 100 150 200 250 300 seconds created Is BF, being created or destr...

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Q: About half of the hydrochloric acid produced annually in the United States (3.0 billion pounds) is u...

A: Solution given below

Q: Problem 64 C1,H120 MW = 148 Problem 64 - 1H NMR spectrum (CDC13, 50 2H 2H EDC13 1H DC13 ntents

A: 1H-NMR provides the information about the number and types of hydrogens of unknown compound.  

Q: How can we make solids dissolve faster? Exercise 3.6 Ex In this exercise, you will think about the f...

A:   1.Which factor that affects dissolving is being tested? Answer :   continuous stirring cause more ...

Q: (G) (F) |(H) da. HSO, (C) HNO, (A) (1) FCI, (B) (D) (E) 1. KMOOR (J) 2. HCT

A: Ans -   A)  Substitution Reaction in five memered                         cyclic ring on benzene B) ...

Q: H3CHN A H2N H3CO- O- ENH H3COCH2CH2C CH2CH2CH2OH E H3CH2CH2CH2C CH2CH,COOH OH

A: 39. If each doubly bonded carbon atom in a compound is attached to different atoms/groups, 'E-Z' nom...

Q: Which of the following reactions is correctly balanced? A) CO + O2 → CO2 B) N2 + H → 2NH3 C) 2H2O...

A: Given :-  A) CO + O2 → CO2 B) N2 + H → 2NH3 C) 2H2O + C → CO + 2H2 D) Zn + 2HCl → H2 + ZnCl2  To ide...

Q: 2 chlorobutane +sodium hydroxide = alcohol

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Q: Which atom is used as a reference in classifying the strength of electron-attracting and -withdrawin...

A: Electron attracting and withdrawing effect  involve inductive effect, mesomeric effect. These effect...

Q: The molality of a KMNO4 solution is 0.933 at 25°C. What is the mole fraction of potassium permangana...

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Q: 3. Propose an efficient synthesis to get the final product using malonic ester Hint: 6 steps to get ...

A: Solution                   If effcient synthesis to get the final product using malonic Ester..

Q: How many mL of 15.8 M nitric acid should be diluted to 0.250 L to make 3.00 M HNO3?

A: Given  Initial Molarity of HNO3  ( M1 ) = 15.8 M  Final Volume ( V2 )   =  0.250 Liter              ...

Q: Net ionic ea Ca 2+ Có • Cuco3 d) 0.1 M CaCl2 and 0.1 M AGNO3 observations: *ャ 2- 26. Write a molecul...

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Q: Q4: Identify the structural effect present on the given molecule.

A: The structural effect present in compound depend on the functional group present in present 

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