(c) Trans-1-phenyl-1,3-butadiene has max = 280 nm (E 27,000). Calculate the concentration of a solution that has A - 0.643 at 280 nm in a 1 cm cell.

Q: Hydrogen is prepared commercially by the reaction of methane and water vapor at elevated temperature...

A:

Q: Question: PbS + NO3 Pb(NO3) + NO + S please balance this equation

A:

Q: After completing part II of the experiment, a student uses her calibration curve to find that the eq...

A: We would first write a reaction between Fe3+ and SCN- to form product [FeNCS2+]  , then we would dra...

Q: Gaseous butane (CH;(CH2),CH3) CH3) reacts with gaseous oxygen gas (02) to produce gaseous carbon dio...

A:

Q: While ethanol (CH;CH,OH) is produced naturally by fermentation, e.g. in beer- and wine-making, indus...

A:

Q: (c) Explain crystal field splitting in the case of tetrahedral complexes.

A: Crystal field splitting in tetrahedral complexes:

Q: Use the van der Waals equation of state to calculate the pressure P of 3.60 mol of H,O at 479 K in a...

A:

Q: For each of the following compounds, give the correct R/S notation for all stereocenters. ÇH(CH)2 H ...

A: R ans S nomenclature system is important nomenclature system to denoting enatiomsrs. This approach l...

Q: HCI (а) H3C-CEN: H20 '2 H30* tert-BuO¯ A (b) B Br2 tert-BuOH (с) 2 CHя—с—он HO-CH2-CH2-CH2-OH H* +

A:

Q: 5.56 x 10^-10

A:

Q: What is the 8 step synthesis for Ibuprofen? Please show a total of 8 steps only.

A: The objective of the question is to write the 8step synthesis of ibuprofen.

Q: EXAMPLE 3.5 HCP, like HCN, is linear, with a triple bond: H-C=P: IOF,- has a single lone pair on the...

A: There are many factors which can cause the distortion in bond angles in VSEPR shapes. These are the ...

Q: Why, the rates of reactions involving Co and Cr" be different from those involving other first-row t...

A: Co and Cr is first row transition metal but rate of reaction is different than other first row eleme...

Q: Chlorine can be prepared in the laboratory by the reaction of manganese dioxide with hydrochloric ac...

A:

Q: 5. Translate the following word equations into balanced chemical equations. Use molecular formulas f...

A: Given,   

Q: Select that fits as bronsted lowry concept from options. Give clear handwritten explanation.

A: Bronsted-Lowry acid-base theory: The Bronsted-Lowry acid-base theory states that the acid is a subst...

Q: Calculate the pH of a 0.859 M NaF solution. Assume Ka(HF) = 1.0 x 10-4

A:

Q: A sample of N, gas has a volume of 27.0 L at a pressure of 1.50 atm and a temperature of 23 °C. What...

A:

Q: The Pauli Exclusion Principle tells us that no two electrons in an atom can have the same four quant...

A:

Q: Write about ill effects of thalidomide and what followed its tragedy.

A:

Q: Under certain conditions, the substance bromine trifluoride can be broken down to form bromine and f...

A:

Q: The pH of a buffer prepared by adding 0.708 mol of the weak acid HA to 0.305 mol of Na in 2.00 L of ...

A: Given,  The pH of a buffer prepared by adding 0.708 mol of the weak acid HA to 0.305 mol of NaA in 2...

Q: A chemist determined by measurements that 0.015 moles of gallium participated in a chemical reaction...

A:

Q: HO HO Но Circle the ester and box the carboxylic acid functional groups in the structures below.

A: Ester group The ester group is R-COOR'. Where R and R'  is alkyl groups may be same may be different...

Q: The decomposition of N2O5 to NO2 and O2 is first order, with a rate constant of 4.80 x 10-4/s at 45°...

A: Calculate final concentration and time....

Q: Kindly show complete solutions. Report the final answer in the proper number of significant figure M...

A:

Q: 2 3. NEXT > Fill in the ICE table with the appropriate value for each involved species to determine ...

A:

Q: Calculate the kinetic energy of a 152. mg raindrop moving at a speed of 8.2 Round your answer to 2 s...

A:

Q: What is the pOH of a buffer made of 1.7E-1 M (CH3)3N(aq) and 5.4E-1 M (CH3)3NHCl(aq)? K for (CH3)3N ...

A:

Q: 2. Assign the absolute (R or S) configuration to each stereocenter in the molecules depicted below. ...

A:

Q: Calculate the pH of the following solutions. 0.40 M phthalic acid

A:

Q: write the rate law for the following reactions. (assume each reactions follow an elementary rate law...

A:

Q: What does acid do to marble (calcium carbonate)?

A: Calcium carbonate in marble would react with acid to form salt and water. so marble would be eaten (...

Q: 13.14 Suggest likely products for the following reactions: (а) ВСl; + EiOH —- (b) BF, + E1OН —— (c) ...

A: The correct answer is given below

Q: For each chemical reaction listed in the first column of the table below, predict the sign (positive...

A: Entropy is the randomness constituent. Let us discuss the increase and decrease in entropy. 

Q: Describe the organoleptic characteristics of an activated charcoal

A: Organoleptic characteristic properties are the aspects of food or other substances as experienced by...

Q: Calculate the equilibrium concentrations of all relevant C species if an action releases methane (CH...

A: We have to determine the value of equilibrium concentrations of all relavent C species if an action ...

Q: OH N. H

A:

Q: ng kinetic energy

A:

Q: What does acid do to marble (calcium carbonate)?

A:

Q: Of the following, a 0.1 molal aqueous solution of __ will have the lowest freezing point.   sucrose ...

A: Given :-  Compounds : sucrose Al(NO3)3 Na2SO4 NaCl K2CrO4  Molal concentration of all solutions ar...

Q: 1. CH3-CH2-0 (d) 2 CH3-CH2-c-o-CH2-CH3 2. HCI (е) Δ CHз —с—сн2 —с—он ОН (f) + Br2

A: Given  data :-

Q: What is the change in volume for a system under a constant 2 atm pressure that releases 807 J of hea...

A: given :-  heat released = 807 J  constant pressure = 2 atm  change in internal energy = -300.5 J  1 ...

Q: An unknown compound has the following chemical formula: Fe(NO,), where x stands for a whole number. ...

A: Molecular formula: In a molecular formula we describe the number of atoms of all the elements presen...

Q: Predict the major organic product for the following multistep sequence. Be sure your answer accounts...

A:

Q: Calculating kinetic energy Calculate the kinetic energy of a 569. kg roller-coaster car moving at a ...

A: Mass of roller-coaster car = 569.0 kg  Speed of car = 26.0 m/s 

Q: left left at equilibrium right right at equilibrium left right at equilibrium

A: A is represented by red sphere . B is represented by blue sphere . Reaction :-  A2 + B2 <--------...

Q: Part A Nitric oxide reacts with chlorine gas according to the following reaction: 2 NO (g) + Cl2 (g)...

A: The given chemical reaction is as equilibrium and the reaction is as follows: 2NOg + Cl2g ⇌ 2NOClg A...

Q: Draw the organometallic reagent with all covalent bonds. There are two ways this target molecule cou...

A:

Q: Nitrogen dioxide and water react to form nitric acid and nitrogen monoxide, like this: 3 NO,(g)+H,0(...

A:

Mass Spectrometry

This process is an instrumental method in which a sample is changed to fast moving positive ions by electron bombardment. The charged particles vary due to their different mass to charge ratio and are estimated with the help of this difference. It is also called mass spectroscopy.