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Discuss why the p-nitrophenol is stronger acid than phenol itself. Would p-methoxyphenol be a stronger or weaker acid than phenol? Explain.
Determine the critical angle for the fiber? Approximate the energy loss in the longer cable by employing the reduction in signal amplitude one fiber was 15 cm, and the fiber was 20 m.
Determine the numbers of mL of acetic acid would you require per liter of solution (with the rest of the volume coming from the acetate solution) to generate a pH of 4.88 where the pKa of acetic aci
Determine the ionization energy of an excited state hydrogen atom in which the electron occupies the n = 2level. Hint: The ionization energy is defined as the energy needed to completely remove a
Write down the symbol for this ion (give the symbol for the nucleus and give the ionic charge as a right superscript.) One isotope of a metallic element has mass number 117 and has 67neutrons in th
The vapor pressure of H2O is 175 torr at 63.5C, and that of ethanol, C2H5OH, is 400 torr. A solution is made by mixing equal masses of H2O andC2H5OH.
Determine the numbers of milli grams (mg) of APS are weighed out to make the 1 ml of a 10% (w/v) APS stock solution? Ammonium per sulfate (APS) is used as the initiator of polymerization of acryl a
How many hours must be assigned to every activity to maximize number of calories burned? Determine maximum number of calories he will burn?
Determine the final concentration of all three components in the 1x working solution? Report Tris base and glycine in m Mand SDS as w/v percent.
The Coomassie Brilliant Blue staining solution, which is used to visualize the proteins in the polyacrylamide gel contains. 40% (v/v) methanol, 1% (w/v) Coomassie Brilliant Blue and 10% (v/v) glacia
It is synthesized from K2PtCl2 (aq) and aqueous ammonia in a reaction that procedure KCl and cisplatin (aq). 5.00 ml of 0.0120 M K2PtCl4 (aq) is mixed with 3.00ml of 0.0562 M aqueous ammonia
In the 19th century, this manufacture resulted in significant pollution of Onondaga Lake. Solvay, NY, 60 miles northeast of Ithaca, is named after a process of manufacturing sodium carbonate (Na2CO3
Discuss how much ice was added? The heat of fusion of water is 6.01 kJ/mol and the specific heat is 4.18 J/(g C). A quantity of ice at zero degrees Celsius was added to 33.6 g of water in a glass a
Determine the numbers of lab coats could be cut from a 13 meter by one meter piece of cloth if 245 centimeters of cloth are required for a lab coat.
At alpha =0.05, can you support claim that proportion of U.S. adults who favor mandatory testing to estimate how well schools are teaching students is less than it was nine years ago?
Determine the value of gold in got the 20.0 cm long by 8.5 cm wide by6.0 cm tall, if the mass of a cubic cm of gold is 19.3 grams and the price of gold is $356 per ounce?
Lithium reacts with water, giving a solution of lithium hydroxide and releasing the hydrogen gas. Write down a balanced equation for the reaction by using the complete formulas for the compounds wi
A particle having a charge of 1 nC moves in the uniform magnetic field ~B = 2:0T^i. Determine the magnetic force (both direction and magnitude) on the particle if its velocity is:
The element europium exists in nature as two isotopes: 153 Eu has a mass of 152.9209amu and 151 Eu has a mass of 150.9196 amu. The average atomic mass of europium is 151.96 amu.
An element consists of 24.10% of an isotope with mass 205.9745 amu, 1.40% of an isotope with mass 203.973 amu, 52.40% of an isotope with mass 207.9766 amu and 22.10% of an isotope with mass 207.975
Determine the numbers of milligrams of dye are weighed out, to make a 1 ml of a .5% (w/v) bromophenol blue stock solution which will later be added as a tracking dye to sample buffer.
A conducting rod of 1.2 m pivoted at its end is rotating at constant frequency 25Hz. When the magnetic field is around 0.125T, determine the electromotive force induced among the ends of the r
Explain what volume of 10x transfer buffer stock, 100% water and methanol are added to make one liter of a 1x working solution of transfer the buffer? A 1x working solution of transfer buffer conta
A photoelectric experiment is conducted by the sodium surface with the work function of 2.28 eV. i) If the surface is illuminated with light having a wavelength of 410nm, determine the speed and kin
Assume number of accidents occur at the certain intersection for the given week has the Poisson distribution with parameter lamda unknown. Determine the unbiased estimator of lamda.