A patient is given a 0.05 mg dose of Tal which has a half-life of 6 hours. How long will it be until only 6.3 X10'³ my remain in the body?

Q: One or more of the monomers below are needed to make the polymer Choose which one(s). OH но NH2 H2N…

A: Given,

Q: 1. Which of the following statements is false considering the reaction below? 2NO + 2H2 () 2N2 +…

A: A question based on kinetics of reactions in solution that is to be accomplished.

Q: A certain liquid X has a normal boiling point of 108.00 C and a boiling point elevation constant A…

A: Boiling point is the temperature at vapour pressure of liquid become equal to atmospheric pressure.

Q: 25. For which of the following we CAN NOT draw a stable Lewis structure (Structure is NOT possible)…

A:

Q: School Websites solution is saturated in both potassium chlorate and carbon dioxide ga om…

A:

Q: PAmuonhaa position uniertainty of107m. Calulate it minimum energy usingunepty princple(OIf…

A: Given,        ∆x = 10-7mMass of neon = 1.88 ×10-28 kg                  ∆x .∆p ≥h/4π  ∆p = 6.63×10-34…

Q: What is the hydroxide ion concentration of 4.13 x 10^-2 M NH3? (Kb= 1.8 x 10^-5)

A:

Q: 1. Given the following systems at equilibrium: Write Keg. a) 302(g) → 203(g) b) N2O3(g) → 2NO2(g) +…

A: Equilibrium is a state of reaction at which rate of forward reaction become equal to rate of…

Q: Chemistry Yes or No: Topic - HPLC 1.We need the void time so that we have a measure of the retention…

A: Concepts of HPLC.

Q: How long will it take to plate out 1.5 g Ni from aqueous Ni²+ with a current of 100.0 A? HOW DO WE…

A: According to the Faraday's first law of electrolysis mass of an element deposited at any electrode…

Q: 2. Which would provide the largest error in the determination of the reaction order in the…

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

Q: 4) What fraction of a -1.20 to 1.4 o? for gousian datribution lies within a

A: We have to find What fraction of a population lies for a gaussian distribution within -1.20 to 1.40?

Q: The standard free energy change for the reaction CH4(g)+2O2(g) -> CO2(g) + 2H2O(l) is -194.8 kcal at…

A:

Q: 1. Freon in an air-conditioning unit has volume of 0.30 L. it is allowed to function in a room where…

A: The relation between pressure and volume at a constant temperature is given by Boyle's law.  It…

Q: 2. A cylindrical tank with piston on top confines a 543.78 K of hydrogen gas in a 1.34 m' space…

A: Pressure , temperature and volume are interrelated for a gas by various laws.

Q: which of confugate baseg betow is the stongest bege ? egusing thistable Acid T-8X10 -5 6.3 X10 HOAC…

A:

Q: One kmol of CO is heated to 3500 K at a pressure of 2 atm. What percentage of the original CO, is…

A:

Q: CH3 (ii) H. CH3 H3C H3C H3C° .CH3 CH3 CH3 ко H H;C H. H. `NH CH3 CH3 H H;C H3C H. CH3 `CH3 HO, `H…

A:

Q: Substance X is known to exist at 1 atm in the solid, liquid, or vapor phase, depending on the…

A: Given:

Q: Calculate AGO and K for the following reactions. Ag(S2O3)23 + Fe(CN)64 + Ag(s) + 2S2O32- + Fe(CN)63-

A:

Q: Write definitions of the terms atomic number and mass number. Which of these can vary without…

A: Atomic number :-  Atomic number is the number of a chemical element in the periodic system, whereby…

Q: ABSOLUTE HUMIDITY 1. the amount of water vapor in grams per cubic meter of air at a given…

A: Concept of absolute humidity.

Q: 3. (a) A solution of 20.91 % by weight H2SO, has a specific gravity of 1.150. Wwhat is the normality…

A:

Q: 2 H2 (9) + O2 (9) 2 H20 (g) Hydrogen gas and oxygen gas react to form water vapor as shown in the…

A: The balanced reaction given is, =>

Q: (b) The reaction (R)-2-chloro-3-methylbutane with KOH shown below, resulted in a mixture of three…

A:

Q: A drop of food coloring is added to water. With time, it spreads evenly through the water so that…

A: When a drop of food colouring material added with water then on increasing the time, the food…

Q: Which of the following is the function of atomizer in the emission system of Atomic Absorption…

A: GIVEN:   Which of the following is the function of atomizer in the emission system of Atomic…

Q: Ethyl alcohol is burned producing carbon dioxide and water. What is the entropy change for the…

A:

Q: At a particular temperature, the solubility of In,(SO,), in water is 0.0078 M. You have found Ksp to…

A: Answer: At a given temperature, solubility of a compound is the maximum amount of solute that can be…

Q: 1. Which of the structures is the most acidic? Provide a concise explanation using your observations…

A: Alcohols can be defined as the organic compounds in which hydroxyl group is attached to carbon atom.

Q: When ammonium sulfate dissolves, both the anion and cation have acid-base reaction: (NH4)2SO4(s)…

A: GIVEN: When ammonium sulfate dissolves, both the anion and cation have acid-base reaction:…

Q: II. Chemical Balance: A. Balance of the aqueous cupric ion - ammoniac cupric ion 1. Color of the…

A: Those metal which can exists in different oxidation states are known as the transition metal. These…

Q: X-rays of frequency 1.53 x 1016 Hz cause the emission of electrons from a material with a maximum…

A:

Q: Ethene is converted to ethane by the reaction CHalg) + H,(9) - C,Ho(g) CH, flows into a catalytic…

A: Given: Reaction: C2H4  +  H2    ------>    C2H6 Pressure (P)= 25 atm = 25 x 101325 Pascal…

Q: The following reaction is classified as CHa(g) + 202(g) and i3 --------> CO2(g) + 2H2O(g)

A: Alkanes can be defined as the organic compounds that contain single single bonds between  carbon…

Q: Which toxic substance is often used to extract gold and results in harmful environmental effects?

A: Metallurgy :- The extraction of metals from their minerals by applying different techniques is known…

Q: IC An analyte has a Rf value of 0.50, What does that indicate about the solubility of the analyte in…

A: Retention factor describes the ratio of time spent in the stationary phase relative to time spent in…

Q: t-Butanol has a freezing point of 25.82 oC and a freezing point depression constant of 8.37 oC/m.…

A: Given,  Freezing point of t-Butanol = Tf0 = 25.82 oC Freezing point depression constant of t-Butanol…

Q: Using the particle in a box model, the energy of the highest occupied energy level for a linear…

A:

Q: केळे वट के वण्य कलनएवन्नজा डि Cटक्d oड कe ककाषु टनप्रट १rज्पि ल कैकट कोनककब Coमालपलव . धोण् औ्रैकट…

A: In this question, we will find out the type of peak splitting pattern for methylene hydrogen.  You…

Q: 1. Heat HO HO, Box 35 Hint: Two things happen, the mass goes down 44 g/mole and then 18 g/mole HO,…

A:

Q: 2.50 g CH4 reacts with excess O2 in a bomb calorimeter containing 400.0 g of water. The temperature…

A: The heat absorbed by water in calorimeter is calculated by using formula   Q=mC∆T Where: Q =…

Q: At 25°C, the K, for a certain monoprotic acid HA is 6.2x10-10, what will be the K, value for the…

A: Here we are required to find the dissociation constant for the weak monoprotic acid HA

Q: [References) A factory wants to produce 1.00 x 10- kg barium from the electrolysis of molten barium…

A: Given:: Mass of Ba = 1.00×103 Kg = 1.00×106g molar mass of Ba = 137.327 g mol-1 Current = ? Time (t)…

Q: 4. Number these in order of ease of hydrolysis. 1= casiest to hydrolyze, 4 = hardest to hydrolyze.…

A:

Q: Balance the following redox reaction using the half-reaction method  MnO41- + SO32- = MnO2 + SO42-…

A: Here we required to balance the redox reaction by ion electron method.

Q: 1. Which of the following statements is false considering the reaction below? 2NO(g) + 2H2 (g) 2N2…

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

Q: Use the References to access importan Which of the properties below apply to the polymer that forms…

A:

Q: What temperature increase would be expected if the same 1.200 g sample of benzoic acid were…

A:

Q: What is true about the reaction below? a.) PF; K > 1 b.) PF; K 1

A: The reaction given is,

Vitamins and Coenzymes

A class of organic compounds needed in the human body for normal activities is known as vitamins. They are characterized into two parts depending upon their solubility in water. They can act as coenzymes, cofactors, or prosthetic groups for enzymes.