Calculate the wavelength of a photon (in meters) that has a frequency of 2.83 x 1013 s-1.

Q: Explain how a polyamide is able to bind to minor grooves and disrupt transcription.

A: Polyamide is a polymer in which a repeating unit is an amide group with a general chemical formula C...

Q: Write the equation for the preparation of soap from stearic acid and NaOH. Explain the reaction.

A: Given,  Write the equation for the preparation of soap from stearic acid and NaOH. Explain the react...

Q: A solution of HCN was prepared in 2.5 L of water.  The pH of this solution at 25°C was determined to...

A: We have to calculate the moles of HCN.  

Q: Q17) Calculate the osmotic pressure of 25% of the urea solution at a temperature of (37°C). R=0.0821...

A:

Q: Why is hexane more volatile than water? Explain by mentioning the differences in their structure and...

A: Substances with strong intermolecular forces have lower vapor pressures and are less volatile, while...

Q: If a commercially available insulin preparation contains 1.5 ppm of proinsulin, how many mcg of proi...

A: The mass of solute in mg present in a one-liter solution is known as ppm (parts per million) concent...

Q: Answer the following questions: 1. Why do liquids assume different shapes on the surface of the wax...

A: As per the guideline, since you have asked multiple questions, we have solved the first question for...

Q: The solubility of iron(II) hydroxide, Fe(OH)2, is 1.43×10–3 gram per liter at 25 °C.  Write a balan...

A:

Q: rate is

A:

Q: Manipulating equilibrium constant expressions and equilibrium constants Write an expression for the ...

A:

Q: 22. (a) The one-pot synthesis of a spirodiindenopyridine-indoline catalyzed by p- toluenesulfonic ac...

A: Given that the one-pot synthesis of a spirodiindenopyridine-indoline catalyzed by p-toluene sulfonic...

Q: 1. Draw a figure of the equilibrium between aqueous carbon dioxide and gaseous carbon dioxide in the...

A: Concept:  Carbon dioxide exit in gaseous state and it is represented by CO2(g). When CO2(g) is disso...

Q: Briefly outline why cinnamaldehyde, cinnamic acid and cinnamyl alcohol travelled different distances...

A:

Q: Calculate the percentage ionization of 0.0075 M butanoic acid ( Ka= 1.5 X 10-5).

A:

Q: Describe how an ICP plasma torch (atomizer) operates, why it may be necessary to use one, and some a...

A: ICP plasma torch consists of a mixture of gases which are electrically neutral (containing cations a...

Q: The reaction of peroxydisulfate ion (S,05) with iodide ion (1) is s,0g (aq) + 31 (aq) → 2s0, (aq) + ...

A: The sum of the exponent term in the rate law for a chemical reaction is known as the order of the re...

Q: 3. A 0.997-gram sample of chromium combines with 0.179 grams of nitrogen to form a binary nitride co...

A:

Q: How many grams of lodine should be used in preparing 5000 mL of 1:20 solution?

A: 1:20 means 1 g of Iodine is dissolved in 20 ml. So we have, 20 ml dissolves 1 g Therefore,  1 ml dis...

Q: bogut complete problems ing the colligative proper hes encircle of ancwer A. So lve your pand is dis...

A:

Q: A general chemistry student, Molly Cule, needs to dissolve two solutes (CH2O and CH3CH3). Her choice...

A: There is a thumb rule in chemistry that LIKE DISSOLVES LIKE. This means polar solute is soluble in p...

Q: nd on measuring its resistance it is found to be y ohm, w ment if resistance of aqueous solution of ...

A: For cell 1 Resistance(R1) = y ohm Specific conductance(k1)=  = x ohm.cm-1 For cell 2,  Resistance (R...

Q: Part II. Use the provided initial rate data to derive the rate law for the reaction whose equation i...

A:

Q: Calculate the pH of a 0.87 M methylamine solution.

A: pH of solution is defined as negative logarithm of hydrogen ions. 

Q: phosphoric acid reacts

A: 3Cu + 2H3PO4>>>>Cu3(PO4)2 + 3H2

Q: A 10.0 g of calcium chloride dihydrate, CaCl2•2H2O, in enough water to make exactly 500.0 mL of solu...

A: Given  Mass of solute( CaCl2.2H2O) = 10.0 g Volume of solution = 500.0 mL    = (500/1000) L We know ...

Q: 1. Observing pH Changes in Water and Buffer Solutions upon Addition of HCI and NAOH Solutions soluti...

A:

Q: Precipitates used in the gravimetric determination of uranium include NazU2O7 (MM = 634.0 g/mol), (U...

A: Calculate : which weighing forms having the greatest mass of precipitate from a given quantity of ur...

Q: Enter your answer in the provided box. Given the same reactant concentrations, the reaction CO(g) + ...

A:

Q: What is the compound name of the skeletal structure below?

A:

Q: Be sure to answer all parts. For a certain reaction, the frequency factor A is 7.0 x 10° s and the a...

A: To solve this question, use the formula for rate constant which contains k, A, Ea and T terms in it.

Q: At a certain concentration of N2 and H2, the initial rate of reaction is 2.0 x 105 M / s. What would...

A:

Q: What is the ratio strength (w/v) of a solution made by dissolving 16 tablets, each containing 1.5 g ...

A: Solution - According to the question - Given - w = 1.5 g v = 1250 ml (1.25 L) Formulas =  = w/v  1.5...

Q: Be sure to answer all parts. The reaction 2A B is second order with a rate constant of 51.0/M-min at...

A: Using summary of second order kinetic in chemical kinetics.

Q: grams

A:

Q: Enumerate at least five real-life of the collision theory of chemical kinetics

A: Collision theory states that the rate of a chemical reaction is proportional to the number of collis...

Q: What is the percent composition of H in C9H20? Record your answer to 2 decimal spaces.

A:

Q: The equilibrium constant K, for the reaction HCN(aq) =H*(aq) + CN (aq) is 4.9 x 10-10 at 25 °C. Calc...

A: The equilibrium concentration can be calculated as follows

Q: If 25.00 mL of saturated Ca(OH) 2 solution was titrated with 0.050 M HCI and 17.68 mL of 0.050 M was...

A:

Q: CH3 H3C CH3 H2C CHO 2

A:

Q: Rep

A: Y=mx+c where m= slope and C= intercept on y axis ie. m=∆H/R    and C=∆S/R

Q: The Ksp value for Cu(OH)2 is 1.6x10‑19 at 25oC, what will the equilibrium concentration of [Cu2+] in...

A:

Q: A wittig reaction experiment: Week 1 -》 preparation of phosphonium salt  Materials : triphenylphos...

A:

Q: Calculate the pH of a buffer solution prepared by mixing 50mL of 0.600 M hydrocyanic acid, HCN and 2...

A:

Q: What are the criteria for buffer system?

A: Buffer system - - > Buffer system is defined as a solution which resist the change in pH when add...

Q: molality of

A:

Q: 1. A gaseous compound that actually exists in the environment. 2. It is made up of small particles t...

A: 1. REAL 2. REAL 3. BOTH 4. IDEAL 5. IDEAL 6. IDEAL 7. BOTH

Q: Which of the following solutions is a buffer system? 0.10 M HI and 0.10 M K 0.10 M HF and 0.10 M KI ...

A: A buffer solution is a solution that resists change in pH  even upon the addition of small amount of...

Q: 18 Estimate the difference between ΔHreaction and ΔUreaction (in kJ/mol) for the reaction: 6Li(s) + ...

A: For question 18, given reaction: 6Li(s) + N2(g) →2Li3N(s) We have to calculate the difference betwee...

Q: A solution consisting of 0.0050M Cu(NO3)2 and 0.0100 M EDTA at pH 6 is placed in a cell with a Cu wi...

A: Since you have asked multiple questions, we will solve the first question for you. If you want any s...

Quantum Chemistry

Quantum chemistry deals with the properties of chemical systems and their reactions. The branch of chemistry which is more concerned with quantum chemistry is physical chemistry. It is a more sophisticated field of theoretical physics which is concerned towards the application of physical concepts towards various chemical aspects such as, formation of atoms, chemical structure descriptions, chemical bond strength, hybridization, conjugation etc. Quantum chemistry mainly studies the various states i.e., ground state, excited state, transition states of the individual atoms or molecules taking place during any chemical reaction. The laws of motion explained by various scientists, which are termed as “classical mechanics” were not acceptable in terms of electrons, protons, atoms, light etc. Thus, a new theory named “quantum mechanics” emerged to understand the basic framework of various atomic and subatomic particles.