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Use the abbreviations to write the sequences for all the possible polypeptides that can be made from the three amino acids: arg, gly, tyr.
A solution contains 4.56 g of KCl in 175 mL of solution. if the density of the KCl solution is 1.12 g/mL, what are the mass percent (m/m) and moarity (M) for the KCl solution
Experiment Initial Initial Initial [A], Mol/L [B], Mol/L Rate 1 0.10 0.10 1.4 x 10^2 2 0.20 0.10 2.8 x 10^2 3 0.20 0.10 5.6 x 10^2 What is the rate law for the reaction. A) rate= k [A][B] B) rate= k [A]^2[B]^2 C) rate= k [A] D) rate= k [A][B]^2 E)..
A pure titanium cube has an edge length of 2.65. How many titanium atoms does it contain. Titanium has a density of 4.50g/cm^3
the vapor pressure of pure water at 25 degc is 23.8 torr. what is the vapor pressure torr of water above a solution
Determine the rate of heat transfer to the heat engine if both devices are reversible and all of the power output from the heat engine is used to supply the refrigerator
a solution is prepared by adding 50.0ml of 0.050m HBr to 150.0ml of 0.10m HI .calculate the concentrations of all species in this solution HBr and HI are both considered strong aicds ?
Calculate the theoretical yield for the reaction if .80g of succinic anhydride and excess aniline was used. Whis is the percent yield if a student isolates 0.9g of succinimide
The pH of a bicarbonate-carbonic acid buffer is 7.80. Calculate the ratio of the concentration of carbonic acid (H2CO3) to that of the bicarbonate ion (HCO3-).
Question- What is the theoretical yield (in mol) of carbon monoxide when 2.13 mol oxygen reacts with 2.26 mol of methane to produce carbon monoxide and water
The volume of a sample of gas measured 15 degrees Celsius and 1atm is 2.0L. Explain what must the final temperature be in order for the gas to occupy 5.0 L at 760 mmHg
how many grams of sulfanilamide will remain dissolved in the mother liquor
For the neutralization reaction involving HNO3 and Ca(OH)2, how many liters of 1.55 M HNO3 are needed to react with 45.8 mL of a 4.66 M Ca(OH)2 solution?
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