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A steel bar is 2000mm long at 20 degrees celcius. a=11 x 10^-6 c^-1.
a) What is the length of the bar in mm, when it is heated to 700.0 Farenheit.
b) At what temperature the length of the bar will be 1200mm?
Problem- Write a balanced reaction that clearly shows the hydrolysis of val-phe dipeptide. Assume the pH is equivalent to the pI.
Problem- Draw the structures of salicylic acid and aspirin. Circle and identify three functional groups present in each compound.
A student weights out 1.000 g of iron (II) ammonium sulfate hexahydrate (MW = 392.14 g/mol). What is the minimum amount (in mL) of 1.00 M oxalic acid needed to react with all of the iron? Assume that the reaction goes to completion.
Consider the by-products that might be formed by E1 and/or E2 processes in the reaction of 2-methyl-2-butanol with HCL. Provide structures for these products.
ultraviolet light strikes a metal plate and ejects electrons having kinetic energy E = 2.04 eV. Calculate the binding energy of an electron at the metal surface.
What is the function of EACH of the following components in a membrane phospholipid? Fatty Acids, Glycerol
solid NaI is slowly added to a solution that is 0.010 M in Cu+ and 0.010 M in Ag+. which compound will begin to precipitate first?
If a stronger solution of sodium bicarbonate was used in experiment, would it require more or less acetic acid to neutralize and why? If a weaker solution of sodium bicarbonate was used, would the solution require more or less acetic acid to neutr..
Suppose that N2 gas may be described as van der waals gas. This gas (n=1.25 mol) is expanded isothermally and reversibly from a volume of 1 liter to 10 liters at 300K
Calculate the hydrogen ion concentration in a solution containing 7.89 g of strontium hydroxide in 600 mL of solution.
What is the molecular formula of each compound. (Type your answer using the format C6H12O6 for C6H12O6 and use the same order of the elements as in the empirical formulas.
sample of h2o with a mass of 46.0 grams has a temperature of -58.0 c. how many joules of energy are necessary to heat
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