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Suppose 1.00 L of water absorbs enough radiation to rise the temperature of the water from 20.0 C to 30.0 C. Water absorbs IR radiation with a wavelength of 2.8 micro meters.
The decomposition of H2O2 is expressed as H2O2 ---> H2O +1/2 O2; after 10 minutes, the volume of O2 formed is 8 ml and at the end of the reaction is the 36 ml. Identify the rate of the re
The rate of reaction among two atoms 'A' and 'B' is expressed as the rate = k [A][B]2. When concentration of both the reactants A & B is doubled, discuss what happens to reaction rate?
Let R be the equivaence relation defined by partition {{1}, {2,4},{3}} on set of X = {1234}. Determine list of members of R and draw the digraph of R.
Write down the thermo chemical equation for the formation reaction of CaCO3 (s). [From the standard states of the elements; determine the heat of formation value for calciu
Determine the numbers of mL (to the nearest mL) of 0.168-M KF solution should be added to 560. mL of 0.237-M HF to prepare a pH = 3.30 solution?
What is the molarity of the KMnO4 solution when a 21.40 ml volume of a KMnO4 solution was required to titrate 25.00 ml of a 0.0400 M oxalic acid solution?
Describe the direction in which the retention time would change (longer or shorter) for a substance in a GC experiment when the experiment parameters are changed as shown below:
Although the mechanism of the coupling process is not well understood, it is known that the rate appears to depend on the square of the concentration of the halide.
2 kinds of carbonyl acceptor structures in addition to benzoate esters can be used in reaction with phenyl magnesium bromide to afford triphenyl methanol. What are they?
An organic compound contains H, C, N, and O. Combustion of 0.1023g of the compound in excess the oxygen yielded 0.0991 g of H2O and 0.2766 g of CO2.
Write down the electron configurations for the following ions, and calculate which have noble-gas configurations: (a)Mn3+ (b) Se2- (c) Sc3+ (d) Ru2+ (e) Tl+ (f) Au+
An ideal gas of volume=0.1m^3 and at 400K and 1bar pressure is allowed to expand to the 0.11m^3 at constant temperature. How can calculate the increase in entropy of the gas?
Equity is worth $5,500. Firm has 550 shares of stock outstanding and net income of given value $770. Compute new earnings per share if firm utilizes its excess cash to complete stock repurchase?
A 4-level system at 1000K which is having the N particles with energy levels (ε1 - ε0) = 0.15eV, (ε2-ε0) = 0.45eV, and (ε3-ε0) = 0.75eV. Each leve
Is it possible to determine the percentage abundance of each isotope? Why or why not? Assume that an unknown element "X" exists naturally as three different isotopes. The average atomic mass of elem
Determine the order of the reaction if at 518oC, the rate of decomposition of a sample of gaseous acetaldehyde, initially at a pressure of 363 Torr, was 1.07Torr s-1when 5% had reacted and 0.76 Torr s
In lieu of the dividend of $1.70, company has said it is going to repurchase $49,300 value of stock instead of paying dividend. Find effect will transaction have on equity of firm?
The carbonium ion mechanism for SN1 reactions suggests an optically active starting material would give totally racemized product. In many cases, however, SN1 reactions actually give more of the produ
The stack gas leaves the furnace at 900 degrees C and is cooled to 450 degrees C in a waste heat boiler, a heat exchanger in which heat lost by cooling gases is used to produce steam from liquid wat
Determine the product when 2,5dibromohexane reacts with the two AlCl3: hint Make a6-membered ring cyclic. In other words, bring the alkyl chain around to make a fused ring onto benzene.
A line in the spectrum of neon has a wavelength of 837.8nm. Explain in what spectral range does the absorption occur?Determine the frequency of this absorption.
Determine how to use the stoichiometry between the KHP and NaOH from the balanced equation below to find the moles of NaOH?? Potassium hydrogen phthalate NaOH and (KHP)
Producers I, II, and III supply 37%, 45%, and 18%, respectively, of compact disks utilized by company. Find probability that randomly selected label made by company will have defective compact disk?
A weighed sample of iron (Fe) is added to liquid Bromine (Br2) and allowed to react totally. The reaction forms a single product, explain which can be isolated and weighed.