Question 16 A of 6hours, How long will it be until only 6.3 xlo mg remain in the bedy?

Q: gaseous mixture contains the following (%n/n is percent by mole): 15%n/n O₂, 23%n/n N₂, 4%n/n CH₄,…

A: Ideal gas equation is : PV = nRT  At constant temperature and pressure :  V ∝ n

Q: CN + 4 Ph A, 5 A 6

A:

Q: Hydrogen peroxide decomposes by the following reaction.  The reaction is rapid with the addition of…

A: Entropy is degree of randomness or disorderness.  If the number of Gaseous moles increases then…

Q: For a chemical equation, A ßà B, where the equilibrium constant is 1, K = 1, which statement below…

A:

Q: What are the pertinent chemical equations in the standardization of sodium thiosulfate solution?

A: In the determination of Biological Oxygen Demand using the Modified Winkler Method, the…

Q: The reaction of 2-methylpropene with HBr in ether is described below. Answer the following questions…

A: Given reaction is :  Which product is the anti-Markovnikov product = ?

Q: How do Lewis bases/acids affect the pH of a solution? If they are bases, they should cause the OH-…

A: Lewis acids and bases are described by the Lewis theory of acid-base reactions as electron-pair…

Q: 2-aminophenol hydrochloride is pictured at right. As is, the acid is fully protonated, the H from…

A: 2-aminophenol hydrochloride, HO-C6H4-NH3+Cl- is a diprotic acid with pka values of 4.70 and 9.97.…

Q: 1, a) Identify the intermolecular forces present in 1) Ne il) CO ii CH3CI iv) CHOHV Naci vi NH vi)…

A: Here we have to predict intermolecular forces present in the following compounds.

Q: er 2 800 705 kJ 600 497 kJ PE (kJ) 400 200 175 kJ 100 Reaction Progress Ceated by E Lee for Virtual…

A:

Q: Friedel-Crafts acylation of p-xylene,

A:

Q: 2-aminophenol hydrochloride is pictured at right. As is, the acid is fully protonated, the H from…

A: 2-aminophenol hydrochloride, HO-C6H4-NH3+Cl- is a diprotic acid with pka values of pKa1 = 4.70 and…

Q: What is the pH of a substance with a hydrogen ion concentration of 1.0 x 10-8 M?

A: Consider the given information is as follows: Concentration of hydrogen ion = 1.0×10-8 M     pH = ?

Q: Complete the table below. Element Electronic Distribution Last sublevel Orbital Quantum numbers of…

A: Electronic configuration of an atom can be defined as the arrangement of electrons in orbitals of an…

Q: Select either atom that forms the glycosidic bond in this molecule, sucrose. • Gray = C; white = H;…

A: C(gray)of one molecule gets connect with O(red) of another molecule and forms glycosidic bond

Q: draw a complete synthesis from starting material. List out all solvents and reagents used and draw…

A: Here we have to write the major products formed in the following sequence of reactions.

Q: Define: Anisotropy, Heisenberg's uncertainty principle.

A: Anisotropic property is the property of crystal. Heisenberg uncertanity principle shows the…

Q: The solubility of KCI in water is @ 344 g/L. What would be the best method for preparing a 100 mL…

A: A question based on solutions that is to be accomplished.

Q: Transmittance/% 100 50- A B 3000 2500 2000 1500 1000 500 Wavenumbers //cm Figure 2. IR spectrum of…

A:

Q: -Define: mole, electropositive element, polymorphism, Anisotropy, Heisenberg's uncertainty…

A: Atom is defined as smallest particle which can not be further divided into small particles.

Q: The combustion of ammonia in the presence of excess oxygen yields NO2 and H2O:…

A:

Q: In the reaction shown by the chemical equation below:   2 Au (s)  +  3 Zn2+ (aq)  à  3 Zn (s)  +  2…

A: Option c is correct  Zn is reduced  Zn2+ after accepting or gaining 2electron form zinc metal and…

Q: How many of the nine C, alkane constitutional isomers are named using the following base-chain…

A: Constitutional isomers are also called structural isomers.  Isomers which are having same molecular…

Q: Which letter on the energy diagram represents the chemical energy of the products? (B). (A) (C) (D)…

A:

Q: Pick the intermolecular force MOST responsible for the stability of the a-helix in proteins.…

A: There are different structures of protein-  1- primary structure 2- secondary structure 3- tertiary…

Q: Consider an unknown metal M. If the density of M is 19.3 g/cm3 and radius is 137 pm, find out the…

A: The correct answer is given below

Q: NH fe step 8 lease wite step by mechanism.

A:

Q: What is the [H30 ] In a solution that has a [OH ]= 2.5 x 10-8 M?

A: We are Given : [OH- ] = 2.5 × 10-8 M

Q: NH2 H a: S N- HO HO. O A:R, B:S O A:S, B:R A:R, B:R A:S, B:S IZ

A:

Q: 1. Name the following molecules: a) CH b) CCCH(CH,)CH, H,CHO CH CH CH- -CH 2. Draw the following…

A:

Q: Balance the following redox reaction occurring in basic solution:…

A:

Q: Which of the following voltaic cells will produce the greater quantity of electrical charge per gram…

A: In order to find the total electric charge per gram of anode, we have to identify the anode, the…

Q: i need the answer quickly

A: Since you have posted multiple questions, the answer for first question is given below. Kindly…

Q: A 1.0-g fat was titrated against a 0.500-M KOH and consumed 13.0-mL of the titrant. A blank analysis…

A:

Q: NH2 H. a: -N- HO HO. A:R, B:S A:S, B:R A:R, B:R A:S, B:S

A: Lowest priority below the plane clock wise rotation R configuration  Lowest priority above the plane…

Q: Calartade the oxyagon oxर्ववनीका राखलमका नी कांकगमीतक्की०क. OYपुडना वकावाले म domand for the OKY४তnा

A: Theoretical oxygen demand (ThOD) is calculated as the amount of oxygen that is required to…

Q: According to the following reaction, disappearance rate of oxygen is 5.75 x 10-2 mol L-1 s-1.…

A:

Q: What to do: Read each statement below and identify if it defines electrode potential, reduction…

A: A question based on electrochemistry that is to be accomplished.

Q: In the lab you mix 75 mL of NaOH solution with a pOH of 2.45, with 125mL of a 0.018 M solution of…

A: Answer: For a saturated solution value of Qsp will be equal to Ksp. If Qsp is greater than Ksp then…

Q: How atmospheric haloes were formed?

A: Clouds in sky are made of crystals of ice. Ice is solid state of water. Water exist in three states-…

Q: 3. Use the changes in oxidation numbers to identify which atoms are oxidized and which are reduced…

A:

Q: 0.100M solution of monoprotic weak acid has a pH of 3.00. What is the pKa of this acid?

A: Let , weak monoprotic acid = HA  pH = 3.00  [HA] = 0.100 M

Q: if 0.030 mole of HCl is added to 0.50 L of the buffer solution (0.24M NH3 and 0.20M NH4Cl) What is…

A:

Q: What is the difference between the enthalpies of the products and the reactants? AH O AG O Am O AS…

A: Which one of the following is correct

Q: What methods were used to distinguish the isomers of dibenzaldehyde? Explain why these methods pick…

A: What methods were used to distinguish the isomers of dibenzaldehyde? Explain why these methods pick…

Q: Br でHa C H30H

A:

Q: How are emulsions stabilized?

A: When a surfactant adsorbs on the interface the interfacial tension between the two phases decreases.…

Q: Compared to their neutral atom counterparts, ions will have smaller or larger atomic radii due to…

A: Here is your answer...... Concept:

Q: Why are alcoholic solutions (alcoholic NH2OHꞏHCl, alcoholic KOH, alcoholic HCl) used in the…

A:

Q: 1. At what position and on what ring would you expect the following substances to undergo…

A: Here we have to predict the ring in which  elctrophilic aromatic substitution occur and positions at…