If a commercially available insulin preparation contains 1.5 ppm of proinsulin, how many mcg of proinsulin would be contained in a 25 mL vial of insulin?

Q: Part II. Use the provided initial rate data to derive the rate law for the reaction whose equation i...

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Q: 5,5-dimethylhept-3-ene was reacted with HBr. Provide the reaction mechanism of this reaction.

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Q: by the tube for trapping H20 shows a 13.7-mg increase. A second sample of 121.8 mg is treated with c...

A: Here by applying principle of conservation of atom ,we can determine the percentage of each element ...

Q: change the value of an equilibrium constant?

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Q: If 20.0 g of H, reacts with 40.0 g of CuO which reactant is limiting?

A: Limiting reactant is the reactant which is present in less amount and is consumed first in the react...

Q: 2,3-Dimethylfumaric acid has a molecular formula C6H8O4. It undergoes oxidative cleavage to form two...

A: GIVEN:- 2,3-Dimethylfumaric acid has a molecular formula C6H8O4. It undergoes oxidative cleavage to ...

Q: 6. A buffer is prepared by adding 20.0 g of sodium acetate (CH3COONa) to 500 mL of a 0.150 M acetic ...

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Q: The table below shows the temperature data for a corn field in the month of April. From thace data, ...

A: Growing degree units : During the growing season of plants and crops , it is the unit to monitor gro...

Q: 3. a) Give reagents and reaction conditions for X and Y for reaction below (2 marks ) b) Give the IU...

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Q: 6. Enumerate and describe the types of precipitates. 7. How will you control the size of precipitate...

A: 6) Precipitation is the process of transforming a dissolved substance into an insoluble solid from a...

Q: Complete the following table. Mass of Sample Moles of Sample Molecules in Sample Total Atoms in Samp...

A: The question is based on mole concept The formula used and solution is given in the picture

Q: What is the ratio strength (w/v) of a solution made by dissolving 16 tablets, each containing 1.5 g ...

A: Solution - According to the question - Given - w = 1.5 g v = 1250 ml (1.25 L) Formulas =  = w/v  1.5...

Q: но. 10 HO 11 12 H30* H,0 14 15 H3O* H,0 16 17 H3O* H,0

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Q: molality of

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Q: .CI CI A B O A О в Neither, they react at the same rate

A: Elimination Reaction : 

Q: Q2 : At 25°C, K = 3.40 x 10-3 S m-1 for 0.00100 M NH4OH. Values of Lo are: NH4C1 = 0.01497, NaOH = 0...

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Q: Enter your answer in the provided box. The reaction 2A B is first order in A with a rate constant of...

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Q: Enter your answer in the provided box. A sheet of gold weighing 9.6 g and at a temperature of 13.6°C...

A: Given,  Mass of Gold, mAu = 9.6 g  Temperature, TAu = 13.6 °C  Mass of iron, mFe = 18.0 g  Temperatu...

Q: The rate of a certain reaction is given by the following rate law: rate = k[H,][1.] Use this informa...

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Q: What is the pH of a solution that is  0.41 M in sodium acetate and 0.65 M in acetic acid? (for aceti...

A: Buffer solution: The solution that resists the change in pH is known as a buffer solution. The buffe...

Q: How many grams of lodine should be used in preparing 5000 mL of 1:20 solution?

A: 1:20 means 1 g of Iodine is dissolved in 20 ml. So we have, 20 ml dissolves 1 g Therefore,  1 ml dis...

Q: If concentration is in mol/L and time is in seconds, what will be the units of the rate constant k f...

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Q: Using standard heats of formation, calculate the standard enthalpy change for the following reaction...

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Q: When silver metal, Ag, is exposed to hydrogen sulfide gas, H2S, it tarnishes. Is the reaction of Ag ...

A: Oxidation means increase in oxidation no. whereas reduction means decrease in oxidation no.  RA = re...

Q: phosphoric acid reacts

A: 3Cu + 2H3PO4>>>>Cu3(PO4)2 + 3H2

Q: Complete the following reaction by drawing the structure of the major product(s) expected.

A: The given reaction is of oxidation of alkene to alcohol in presence of water and H2SO4.  

Q: 9. Consider the titration of a sample of a weak acid with a strong base (titrant). What is the signi...

A: 9. A weak acid is titrated with a strong base.  Here, we have to select the correct option for the s...

Q: What molar ratio of salt to acid would be required to prepare a buffer solution with a pH of 5.9? Th...

A: Since you have asked multiple question, as per our company guidelines we are supposed to answer the ...

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

A: According to Bronsted and Lowry concept an acid is a hydrogen containing species ( a molecule, a cat...

Q: A liniment contains 15 % (v/v) of methyl salicylate. How many mL of the liniment can be made from 1 ...

A: This question can be solved by using the concept of dimensional analysis .  1 pint = 473 ml 

Q: Why are carboxylic acids more acidic than alcohols? The increased inductive effect of the alkyl grou...

A: Acidic strength of organic acids can be compared with their pKa value which is determined experiment...

Q: Consider the gas-phase hydration of hexafluoroacetone, (CF3)2CO: At 76oC, the forward and revers...

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Q: Identify whether the statement is true or false. All exothermic phase changes have a negative value ...

A: Entropy is the measure of randomness or disorderness.

Q: Q9 solubility products for the following compounds: (a) SrF,, 6.3 x 10 g/L, (b) Ag:PO1. 5.7 x 10 Fro...

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Q: Be sure to answer all parts. The reaction 2A B is second order with a rate constant of 51.0/M-min at...

A: Using summary of second order kinetic in chemical kinetics.

Q: The thermal efficiency of an ideal Rankine cycle is: a) always less than the thermal efficiency of a...

A:  Carnot cycle : It is a theoretical cycle operating between two reservoir (hot reservoir at T1 and c...

Q: Enumerate

A: Yes the formation of the new substances is evidenced by the color changes and formation of the bubbl...

Q: Isobutyric acid has a 5 in H2O solvent 1/3 of its solubility is diethyl ether. Imagine 4.0 g of 1BA ...

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Q: Draw and then rank order these polymers from highest tensile strength to lowest: polytetrafluoroethy...

A: Ans. polytetrafluoroethylene (PTFE): Polytetrafluoroethylene, or PTFE, is made of a carbon backbone ...

Q: 17. In the given reaction: Haig) + Izg) = 2Hlg) Ke= 47.2 at 500°c. If the initial concentrations are...

A: Given: The initial concentration of H2 = I2 = 0.250 M Initial concentration of HI = 0 M Kc = 47.2

Q: Which of the following glycosidic linkage is found in maltose? *   A. Glucose (a1-2B) Fructose B. Gl...

A: Glycosidic linkage is the linkage between two monosaccharide units through oxygen atoms with the los...

Q: A student dissolves 12.3 g of potassium chloride (KCl)in 250. g of water in a well-insulated open cu...

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Q: A0.55 M solution of HX, a weak acid, is made. a) Write the reaction of the acid in water and identif...

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Q: A 0.8102-g sample of impure Al2(CO3)3 decomposed with HCl; the liberated CO2 was collected on calciu...

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Q: Enumerate at least five real-life of the collision theory of chemical kinetics

A: Collision theory states that the rate of a chemical reaction is proportional to the number of collis...

Q: At a certain concentration of N2 and 03, the initial rate of reaction is 7.0 x 104 M / s. What would...

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Q: Write the reaction rate expressions for each reaction: a. H2(g) + I2(g) - 2HI(g) b. 2H2(g) + O2(g) -...

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Q: A buffer solution was prepared by mixing 25 mL of 0.05M KCN with 25.0 mL of 0.05M HCN. To the soluti...

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Q: Calculate the Mg (OH) 2 content of MOM, 13.2 g of which was dissolved in 55.00 mL of 1.2642 N H2S04 ...

A: Mg(OH)2 is first reacted with H2SO4. The excess H2SO4 is then reacted with NaH.

Q: What is the pH of a buffer made from 0.580 mol of CH₃NH₂ (Kb = 4.4 × 10⁻⁴) and 0.100 mol of CH₃NH₃I?

A: Given- Moles of CH3NH2=0.580mol Moles of CH3NH3I=0.100mol Kb=4.4×10-4

Analytical Tools

Analytical tools or analysis tools help one to get into a conclusion or results from the data collected. Analytical tools can be applied for simple data sets and also in the case of big data analytics.