Briefly describe the activities that occur in each step of the drug discovery and development process (i.e. preclinical, clinical, NDA review, post-marketing). What is the purpose of the IND and the NDA and when are they filed with the FDA?

Q: sample of Nitrogen gas (N2) has a volume of 2.0 L at an initial temperature of 10.0C. The same…

A: Dear student ,   since you have posted multiple questions we will allow to solve only first question…

Q: A mixture of xenon and oxygen gas is compressed from a volume of 99.0 L to a volume of 98.0 L, while…

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Q: Å 44 CHY CH₂COOH 3M₂OH (5x) "H

A: Ketones with the presence of alpha hydrogen atom undergo keto-enol tautomerism in acidic medium. The…

Q: The chemical structure of dimethyl ether ((CH₂)₂0) i is shown below. Highlight each atom that is in…

A: Organic compounds are the compounds that contain carbon and hydrogen atoms.

Q: Direction: Write the oxidation half-reaction and reduction half-reaction, and shorthand…

A: Oxidation means loss of electrons and reduction means gain of electrons.

Q: An EDTA solution was allowed to react with Pb²⁺ to produce 0.25 M PbY²⁻, 2.67×10⁻⁸ M Pb²⁺ and an…

A: Balanced equilibrium for the reaction of EDTA(Y4-) with Pb2+ is: Pb2+(aq) + Y4-(aq)  ⇌  PbY2-(aq) ;…

Q: When a polymer is formed by adding monomers, a molecule of __________________ is lost. These…

A: The simplest unit which binds together to form a polymer is known as a monomer. One of the monomer…

Q: 1. What is the coordination number of the central metal atom? 2. What formula should appear inside…

A: Given,              amminechlorobisethylenediaminechromiumIIIsulfateRequired,…

Q: For the following reaction, 4.24 grams of water are mixed with excess silicon tetrafluoride. The…

A: Given mass of water = 4.24 gram silicon tetrafluoride is in exess so the Limiting reactant will be…

Q: 5) n-pentane burns with 56.8% excess air. What is the operating air-fuel mass ratio Hint: First find…

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Q: 3,4-dimethylpent-2-ene A₂ 2

A: Reactant is an alkene. When an alkene reacts with chlorine, it gives a dichloro product.

Q: Consider the redox equation. CuCl₂ + Al → AICI3 + Cu 1. Which is the oxidizing agent? [Select] IL…

A: The addition of electrons or decreases in the oxidation state is known as a reduction reaction and…

Q: II. Identify oxidizing agent and reducing agent in the reactions. 1. 2Na2S₂O3 + I2 → Na2S4O6 + 2Nal…

A: Oxidation is a process of loss of electrons and reduction is a process of gain of electrons.

Q: An unknown compound has the following chemical formula: NO where x stands for a whole number.…

A: In any chemical reaction, the ratio of amount in moles of two or more compounds is called as Mole…

Q: For the reaction below, identify the acid, the base, the conjugate acid, and the conjugate base.…

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Q: Identify the mechanism by which each of the reactions above proceeds from among the mechanisms…

A: Organic chemistry is branch of chemistry in which we deal with organic reaction. Organic reactions…

Q: A sample of Al2(SO4)3 contains 14.2 g of oxygen, find the number of moles of Al2(SO4)3

A: Given :  Mass of oxygen atoms = 14.2 gm

Q: Numbers 7,8 and 9 only thank you

A: Given following Reactions -    (7) Fe2O3  + CO -----> Fe + CO2  (8) CO + I2O5 ----> CO2 + I2…

Q: Consider a ring which was electroplated with gold (Au, MM = 197 g/mol) using an Au(III) salt with a…

A: Given :  Molar mass of Gold = 197 gm/mol  Current (I) = 0.328 A  Time (t) = 4 min = 240 sec  F =…

Q: Answer the following questions: In a laboratory scale, a biochemist was asked to study the structure…

A: #(a): Given the desired pH of the buffer solution = 7.45  Total concentration of the buffer, C =…

Q: Which pair of compounds will form a solution? A. Benzene (C6H6) and hexane (C6H14) B. Na2SO4 and…

A: The correct answer is given below

Q: The boride Nb3B4 is made by the direct combination of niobium and boron at high temperature. How…

A: Niobium boride is formed by the reaction of niobium and boron. The equation for the balanced…

Q: For the reaction below, identify the acid, the base, the conjugate acid, and the conjugate base.…

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Q: 1. What should be the reaction at the cathode? a. Fe³+ (aq) + e- → Fe²+ (aq) Ag (aq) + e → Ag(s) b.…

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Q: At 25oC, the equilibrium constant for the reaction 2 A(aq) ----> B(aq) + C(aq) is 1.91 . If the…

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Q: 7. Consider the following reaction: CH₁ (g) +4 Cl₂ (g) → CCl4 (g) + 4 HCl (g) When 1.65 L Cl₂ (g) at…

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Q: What is the number of neutrons in I-131?

A: Given, Element : I-131 Number of neutrons = ? Note: In the modern periodic table, iodine (I) belongs…

Q: High fructose corn syrup is used industrially as a sweetener in everything from carbonated beverages…

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Q: H₂O H₂ SO 4

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Q: For an ideal system, the reduction of the chemical potential of the solvent molecules due to the…

A: Colligative properties are important properties of solutions as they describe how the properties of…

Q: (v) lodine pentoxide decomposes to form iodine and oxygen: 2 1205(s) 2 12(g) + 5 O₂(g) Calculate the…

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Q: Draw a structural formula for the substitution product of the reaction shown below. H3C H Br + Na ī…

A: The given reactant is an alkyl bromide which is an alkyl halide.  The reagent is NaI and the solvent…

Q: a sample of a gas was stored at 298K with a volume of 225 mL. If it is moved to a new location where…

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Q: What types of inter molecular forces occur at each labeled site (A-F)? D E NH₂ CH₂ CHO HỌC C=OH-N…

A: There are generally three types of interactions in the tertiary protein structures. i) H-bonding ii)…

Q: For the reaction cyclopropane gas yields propene gas at 500 °C, a plot of natural log of…

A: Chemical kinetics is branch of chemistry in which we deal with  speed at which rate of reaction…

Q: Distillation is best done at what speed? a) Very fast to avoid loss of material b) The rate of…

A: Distillation is a technique in which the mixture of non-reacting liquids can be separated. In…

Q: in the laboratory you dissolve 22.5 g of aluminum iodide in a volumetric flask and add water to…

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Q: In 2VO2+ (aq) + Zn(g) + 4H+ (aq) - 2VO2+ (aq) + Zn2+(aq) + 2H2O(l), 1. How many moles of electrons…

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Q: A gas mixture consists of Cl₂, SO₂, and Kr, where the mole fraction of Cl₂ is 0.55 and the mole…

A: We have to calculate the number of molecules of SO2

Q: 36). Which substance is a non electrolyte? a. CaSO4 b. KOH c. NaCl d. H2O2

A: Electrolytes conduct electricity in molten phase or in solution. Non-electrolytes does not conduct…

Q: c. List the given compounds in order of decreasing basicity. Give a reason for your answer. i. : NH3…

A: Nitrogen is less electronegative than oxygen and has ability to donate its electron pair

Q: Gravimetric means (volume measurement jor: the component to be analyzed .A True .B False .C .D

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Q: 10: H :O: CHO CÁC CHỊ CHO C CH3 Baeyer- Villiger reaction 0 H CH3C-0-C-CH3 CH3 8. CH₂C-0-H

A: Given reaction is :  Give the mechanism of the reaction = ?

Q: Zn(s) + HCl(aq) ----> Mg)+ CuSO4 (aq) ----> Mg()+ ZnSO4 (aq) ----> Cus)+ HCl(aq) ----> Cu(s)+…

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Q: A reaction A(aq)+B(aq) = C(aq) has a standard free-energy change of -5.18 kJ/mol at 25 °C. What are…

A: given Reaction A + B= C at 25 degree centigrade standard free energy change = -5.18 conc A= 0.30M,…

Q: Net Formation Reaction Be²+ + 4F BeF²- K, Expression (9) Kf (10) Initial Amounts 0.00050 M Be²+ and…

A: The balanced formation equation for BeF42- is: Be2+ + 4F-  ⇌ BeF42- ; Kf = ??  Initial…

Q: A raindrop has a mass of 50. mg and the Pacific Ocean has a mass of 7.08 x 10 kg. Use this…

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Q: A + 2B → C R = k[A][B]² What is the rate constant for the reaction given the rate law and data?…

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Q: which specimen can act as a bronsted-lowry acid?

A: An acid is a species that donates a positive charge easily and forms stable conjugate ions are…

Q: A molecule of chloroform, CHCl3, has the same shape as a molecule of methane, CH4. However,…

A: We need to explain the difference in boiling point of methane and chloroform