Q4. A person digested 90 g fat and lost 2 g fat in feces. What is digestibility coefficient (DC) for protein?

Q: In the reaction of hydrogen gas and oxygen gas to form water, the glowing splint provides _________ ...

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Q: The drawing below shows a mixture of molecules: key carbon O hydrogen nitrogen O sulfur oxygen chlor...

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Q: 2. Appropriately combine the measured enthalpies of reactions (2) and (3) to predict AH, for the fol...

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Q: Agent Precipitate Precipitate Ag+ Insoluble Dilute HCI chlorides Insoluble chlorides Pb2+ Dilute HCI...

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Q: 1. How much heat is released when 165 g of liquid benzene, C6H6 (1), cools from 78.0°C to 12.0°C? (S...

A: The mass of benzene is = 165 g The decrease in the temperature of the liquid benzene is = 78.0oC to ...

Q: 8. A gas composed of methane and ethane has a specific gravity of (0.75). What is the weight percent...

A: The mass density of an ideal gas is related to the molar mass, pressure, and temperature of the gas....

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Q: Draw an energy level diagram for the orbitals involved in the lowest energy charge transfer transiti...

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A: Comparison of Rf values between acetanilide and Acetaminophen 

Q: Statement 1: Multiple extraction using small portions of the solvent is less effective a single extr...

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Q: Fill in the blanks: Safe distillation is promoted by using that prevent bumping during heating. It i...

A: Distillation is a process of purification where liquid is converted to vapour and the vapours are th...

Q: If the following enthalpies are known: A+ 2 B- +2C + Donding AH = - 95KJ B+X C AH = + 50kJ %3D What ...

A: According to Hess's law change of enthalpy in a chemical reaction is same regardless of whether the ...

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Q: How many peaks can you identify from the NMR spectrum? To which does each chemical shift peak corres...

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Q: Use the molar mass of Ca3(PO3)2 to calculate the number of formula units in 10.0 g of CP.  Give your...

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Q: cite literature that gravimetric analysis is used to test the purity of squash soup product

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A: Given,  (a). Balance the reaction, do not leave any fractions, don't leave anything blank, then answ...

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A: To provide the sequence of elementary steps of the given reaction

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A: Organic reactions are those in which organic reactant react to form organic products.

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Q: Concentration of diluted asprin solution (M2). Show calculations below using equartion from Beer's L...

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Q: Calculate the concentration of sodium jons in solution after 30.0 mL of 3.35 M NaCI and 70.0 mL of 1...

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Q: A gas that has a volume of 30 liters, a temperature of 46.0°C, and an unknown pressure has its volum...

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Q: Balance the reaction, do not leave any fractions, don't leave anything blank, then answer the questi...

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Q: Type the procedure for calibration of burette

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Q: What functional group can you get from its IR spectrum? Support your answer by identifying prominent...

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Q: After an afternoon party, a small cooler full of ice is dumped onto the hot ground and melts. If the...

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A: The concentration and absorbance data below were collected for compound X. A sample of compound X of...

Q: Classify each acid as strong or weak. If the acid is weak, write an expression for the acid ionizati...

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Q: What volume in L of a 0.724 M Nal solution contains 0.405 mol of Nal ?

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Q: Which of the following statements is FALSE regarding reactions in dynamic equilibrium? O a. At equil...

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Q: If the same amount of energy in the form of heat is added to 19.5 g samples of each of the metals be...

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Q: When 1.350 g of benzoic acid (C7H,O2) burns completely in excess O2 gas at constant pressure and 298...

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Q: Identify each substance as an acid or a base and write a chemical equation showing how it is an acid...

A: Given-> (a) -> HClO4  (b)->Mg(OH)2 (c)->CH3COOH  

Q: For the reaction N2(g)+3H2(g)⇌2NH3(g) Kp = 5.10×10−3 at 345 ∘C. What is Kc for the reaction at thi...

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Q: The reaction between Pl3, PSCl3 and Zn powder gives P3ls as one of the products. The sołution state ...

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Q: Draw the structure of the tripeptide alanyl-glutamyl-glycine (AEG).

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Q: Statement 1:To mix the contents, shake the funnel gently, and open the stopcock. Statement 2: Remove...

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Q: Acetone (b.p 560c) and ethanol (b.p. = 78°C) can best be separated by simple distillation. Select th...

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Q: At equilibrium, the amount of product is increasing. True False

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Q: there are 275g of rubbing alcohol in 500.0g of solution. answer questions 2a and 2b using this info....

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Q: A solution contains 1.0 × 10-3 M Pb2*. Drops of a 5.0 x 10-1M solution of NaBr were added through a ...

A: To find that precipitation is formed or not .,  

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Q: 9. Phosphorus reacts with oxygen gas to produce tetraphosphorus decoxide. 4 Po + 5 0g) P,O106) (s) I...

A: