You wish to figure out if the given reaction took place, which frequency would be the best to monitor in order to determine that?  3300 cm-1 , 1715 cm-1 , 2950 cm-1 , or 2200 cm-1

Q: Two carbon atoms present in the fossils are used to calculate the age of the fossils bones (and, in…

A: The half life of C-14 is given as 5730 yrs that is, the number of atoms of C-14 present initially…

Q: Why are transition states of reactions the maximum energy states of the reaction?

A: Transition state:The transition state of a chemical reaction is a particular configuration along the…

Q: unimolecular reaction,

A: This question is related to kinetics.

Q: 1311, used to treat thyroid cancer, has a first order half-life of 6.99 × 105 s. How long does it…

A: Radioactive decay follows first-order kinetics. The decay constant (λ) and half-life of a substance…

Q: Give a clear handwritten answer...

A: This is an example of oxymercuration-demercuration of alkyne. The results in anti markovnikov…

Q: Calculate the half-life (in minutes) for a radioactive substance which loses 42.5% of its original…

A: After 1 hour it loses 42.5% of its original intensity, which means after 1 hour 57.5% of the…

Q: 6) Radioactive substances decay by first-order kinetics. How many years would be required for a…

A: By using the formula for First order kinetics we can solve this problem.

Q: A second order has a half-life of 50s. How long will it take for the reaction to be 30% complete?

A:

Q: A bowling ball that has a radius of 11.0 cm and a mass of 7.50 kg rolls without slipping on a level…

A: In the given scenario, we are presented with a bowling ball rolling without slipping on a level…

Q: The estimated half-life for P-O bonds is 1.3 x 105 a (a = annum = year). Approximately 10⁹ such…

A: Half-life of P-O bonds = 1.3 x 10^5 a (a = annum = year)Approximately 10^9 such bonds are present in…

Q: Radioactive gold-198 is used in the diagnosis of liver problems. The half-life of this isotope is…

A: Radioactive disintegration reactions are first order reactions. Half life of first order reaction is…

Q: Consider the following mechanism: Cl2 → Cl+ + Cl- Cl- + H2S → HCl + HS- Cl+ + HS- → HCl + S What…

A: The reaction steps given are, 1) Cl2 → Cl+ + Cl- 2) Cl- + H2S → HCl + HS- 3) Cl+ + HS- → HCl + S

Q: A certain signal molecule S in brain tissue is degraded by two different biochemical pathways: when…

A: Given: Half-life when only path 1 is active = 6.0 s. And half-life life when the only path 2 is…

Q: A dye degradation experiment was carried out and the rate law was determined to be: rate=k[A]2. The…

A: Rate = K[A]2 So, it is a second order reaction.K + =  1[A]+ - 1[A]0[A]0 = 1[A]+ = 0.00125t = 60 sec…

Q: The rate at which a certain drug is eliminated by the body follows first-order kinetics, with a half…

A:

Q: An organic fluorophore has a mean observed lifetime of 0.5 ns. What is the approximate rate constant…

A:

Q: The data below show the concentration of N2O5 versus time for the following reaction: N2O5 (g) →…

A: The time v/s concentration of reactant data given is,

Q: In formaldehyde, the transition n> n*(T,) occurs at 397 nm, and the n>r*(S,) transition comes at 355…

A: Given two states labelled as T1 and S1 having different energies. two transitions occur from energy…

Q: Note that our data is ABSORBANCE versus time, not CONCENTRATION versus time. Absorbance and…

A:

Q: b) Calculate the Q values of the basic D-D reactions. Assuming the initial Kinetic energy of the…

A:

Q: 2. Consider the following reaction for the formation of HCl in the presence of light. Cl2 + CHCI3 →…

A:

Q: A chemistry student at GGC synthesized a new sulfonamide (S7) drug to help treat malaria. Using a…

A: The absorbance v/s time data given is,

Q: What is difference between long range and short range order, briefly discuss with 3 states of matter

A: Long-range order and short-range order is the type of solids. These are the types of arrangement of…

Q: For Part B: Use the rate law determined above (integer values for the orders of reaction - m, n, and…

A: Rate Law determined in Part A is: Rate=kacetoneH+ where k =2.60×10-5 M-1s-1

Q: What role does tunnelling play in electron transfer?

A: Tunneling is a quantum mechanical phenomenon when a particle is able to penetrate through a…

Q: For a molecule, the phosphorescence lifetime without quenching is 1.0 s while with a quencher…

A: Given:Phosphorescence lifetime without quenching (τ0​) = 1.0 sPhosphorescence lifetime with quencher…

Q: A certain signal molecule S in muscle tissue is degraded by two different biochemical pathways: when…

A: The formula for half-life of parallel decay is given by   Where, t1/2 combined = half life when both…

Q: 4. Given the mechanism of the combustion process below, find the rate law expression of the unstable…

A: The steady-state approximation is a method used to derive a rate law. The method is based on the…

Q: Normally, DNA has the familiar double helix coiled configuration. The uncoiling of DNA is a 1st…

A: Using the given half-life period, rate constant, k can be determined.

Q: Platinum are good catalyst but can be poisoned. Platinum can be completely poisoned if the CO…

A: Platinum are highly active catalyst for many heterogeneous processes. Also they have high affinity…

Q: The decay behavior of a radioactive substance obeys first order kinetics: In (N/N,) = -kt, where N…

A: Given: Half-life of radioactive nuclei = 10 min = 600 sec Initial amount = No Amount at time ‘t’ = N…

Q: Consider the unimolecular decomposition of a nonlinear molecule containing five atoms according to…

A: According to RRK theory: P=1-E*Es-1-----1P = steric factor = kbEkb = 3.0 X 10-5E = available energy…

Q: Explain the transitions occurring when acetaldehyde (CH3-CHO) is exposed to EM  radiation.

A: The given compound is acetaldehyde (CH3CHO) whose IUPAC name is ethanal and the structure of the…

Q: The reaction A C is first order in the reactant A and is known to go to completion. The product C is…

A: Given: wavelength = 550 nm Time (s) Absorbance 0 0.000 10 0.444 20 0.724 100 1.188 200…

Q: The following stands for the frequency factor in the Arrhenius equation.    Ea  R   A k

A:

Q: Consider the transition with a frequency of 6.00*10^14 Hz (Hz=s-1). What is the molar transition…

A: The process of excitation of electrons from a lower energy level to a higher level in a molecule is…

Q: 9. True or False: The steady-state approximation is valid when the decay rate of the intermediates…

A: Steady state approximation is used to determine the rate laws of reactions in chemical kinetics.

Q: The rate at which a certain drug is eliminated by the body follows first-order kinetics, with a half…

A: The rate at which a certain drug is eliminated by the body follows first order kinetics with a…

Photochemistry

Photochemistry is the part of chemistry that studies the various mechanisms of reactions that are triggered by the presence of light energy. It also helps to study the changes involved in a molecule that can undergo the absorption of radiation.