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Your Engineer tells you a polymerization would work best at 5.95 m acrylic acid in water. You've got to instruct your technicians to set up the experiment. What is the wt % of acrylic acid in a 5.95 m solution? (Mm acrylic acid = 72.06 g)
Explain what is more soluble, a solution of free histidine or a solution of histidine tetrapeptide at pH 6 net charge +2
A cleaning solution is found to have a [OH-] = 3.2 x 10-12M. What is the [H3O+] and is the solution acidic or basic?
A sample of hydrogen gas was collected over water at 21°C and at a pressure equal to the atmospheric pressure of 748 mm Hg. The volume of the sample was 512mL. Explain how many grams of H2 are in the sample. The vapor pressure of water at 21°Cis 1..
Complete the following four questions show complete mechanisms.
Question- Calculate the ph at the equivalence point for the following titration- 0.20 M HCL vs. 0.20 M methylamine. The Ka of methylammonium is 2.3 x 10-11.
Aerosol cans have a label that warns the user not to use them above a certain temperature and not to dispose of them by incineration. Even an empty can contains residual gaseous propellant.
Write the complete stepwise mechanisms for reactions below. Show all intermediate structures and all electron flow with arrows.
How much time is required to produce 200g of alumimun metal for molten aluminum oxide dissolved in cryolite, if you use a 12.0 amp current.
Consider the oxidation of sodium metal to sodium oxide described by the balanced equation
How many grams of HCl are produced according to the following equation, H2 + Cl2 = 2 HCl, when 4.0 g of hydrogen reacts
An unknown noble gas effuses through a tiny hole into an evacuated space with a rate that is 0.578 times the rate of N2(g): rateunk/raten2=0.578. calculate the molar mass of the noble gas in g/mol using Gtaham's law of effusion (N=14.0)
Design a small-signal voltage amplifier using BJT's that meets the following specifications: 1) Voltage gain of 50 or more 2) Minimum input resistance of 15 k? 3) Output resistance less than 100 ? 4) Maximum unclipped output of 2V peak-to-peak 5) ..
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