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To provide the constant effective bandwidths why must the slit width of a prism monochromatic be varied but a nearly constant slit width provides the constant bandwidth with a grating monochromatic
Determine the numbers of parameters are required to describe the geometry or energy of an NH3 molecule? And what are they? Discuss in detail.
How can write a detailed mechanism for the dehydration of 2-methylcyclohexanol, by using the curved arrow formalism, that accounts for the three products produced.
Calculate the percentage error that would have resulted if the pure-component specific gravities of H2SO4 (SG = 1.8255) and water had been used for the calculation instead of the given specific gravit
What is the liquid density when same cylinder floats vertically in a liquid of unknown density. The top of the cylinder is 20.7 cm above the surface of the liquid.
Determine the formal charges of the atoms consistent with each of the six proposed bonding structures of the neutral molecule NOF and complete the Lewis structure
Aluminum bromide is produced when aluminum burns in the bromine. In a certain experiment, 6.9 g of aluminum was reacted with an excess of bromine to yield 39.9 g aluminum bromide. Estimate the theo
Determine the minimum excitation energy from the ground state? Determine the probability of locating the electron between the x=0 and x=0.2 in the box?
Determine the numbers of atoms of chromium are used in the coating. Which is having the density of chromium=7.19g/cm3. An object is coated with a layer of chromium, 0.015cm thick. The object has a sur
Suppose we start with 0.0250 mol of N2O5 (g) in a volume of 2.0 L. The first order rate constant for the decomposition of N2O5, N2O5 (g) ---> 2JO2 (g) + O2 (g), at 70 degrees Celsius is 6.82 x10^
Explain which isomer is more reactive towards the dehydration and how would the isomer mixture affect product mixture?
Discuss what products would you expect to obtain from reaction of 1-methylcyclohexanol with the following reagents?
Explain how would you identify the contents of each tube. Hint: Pb^2+ (aq) + HNO3(aq) ----> Pb(NO3)2 (aq) + 2H+ (aq). Suppose you had two unlabeled test tubes, one contains Ag (NH3)2 and t
The following is a list of compounds that dissolve or react with water. Water can react as a base or acid. Choose a compound from above which water acts as a
Determine the numbers of milliliters of a .87% (m/v) NaCl (saline) solution were delivered? (the units of %(m/v) solutions are g/ml) if a patient received 2.6 g of NaCl in 8 hours.
Discuss how much energy is needed to heat 5.00g of ice from-10.0oC to 30.0oC? The molar heat capacity is 36.6J/(K.mol) for ice, the heat of fusion of water is 6.01KJ/mol, and 75.3J(k.mol) for liquid
Estimate the molar absorptive of KMnO4 at 520nm when a solution which is having the 6.23 ppm of KMnO4 had a transmittance of the 0.195 in a 1.00-cm cell at 520nm.
What is the absorbance of a 3.79 *10 -5 M solution of the complex at 470nm in a 1.00-cm cell when a solution containing the complex produced between the Bi (III) and theorem has a molar a
A aliquot which is having 2.50-ml of a solution that contains 7.9 ppm iron(III) is treated with an appropriate excess of KSCN to produce the Fe(SCN) 2+ complex and diluted to the 50.0 ml.
A mixture of H2O and CH4 is passed over a nickel catalyst at the1000 K. The emerging gas is collected in a 5.00L flask and is found to contain 2.60 g of H2, 8.62 g of CO, 43.0 g of CH4, and 48.4 g of
Determine the numbers of grams of the nonvolatile solute glycerol, C3H5 (OH)3, must be added to 113 g of methanol to obtain a solution with a vapor pressure of 139 torr when the vapor pressu
Describe why a molecule may have a polar end and a non-polar end. Is it because the level of covalence is different among certain bonds?
The bond between hemoglobin and CO absorbs radiation of1953cm^-1. (the units are recipricol of the wavelength in cm)Calculate the wavelength in nm and A. And find frequency inHz.
Estimate the number of steps it would take you by using a single dimensional equation, walking at your normal stride, to walk from the Earth to Alpha Centauri, a distance of 4.3 light years and the
The vapor pressure of ethanol is 800Torr at 80oC. At the same temperature the vapor pressure of water is 370 Torr. A sample which is having the 100 g water at 80oCis mixed with ethanol at the same tem