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A 40.0ml sample of 0.150 Ba(OH)2 is titrated with 0.400M NH)3 . Calculate the pH after the addition of the following volumes of acid, and plot the versus milliliters of added.
18.8ml30ml40.4ml
Each polypeptide in the alpha keratin dimer has 3.5 residues per turn, resulting in the slight winding, or twist, around the other polypeptide
The normal boiling point for acetone is 56.6 degrees Celsius. At an elevation of 5300 ft the atmospheric pressure is 630 torr. What would be the boiling point of acetone (enthalpy of vaporization=32.0 kj/mol) at this elevation? What would be the v..
Write a Lewis structure for each of the following molecules.
The rate constant of a chemical reaction increased from 0.100 to 3.10 upon raising the temperature from 25.0 to 51.0. Calculate the value of 1/t2-1/t1
How many distinct locations are there for a double bond in a five-carbon linear chain. What is the correct name for the compound, CH3CH2CH=CHCH2CH=CHCH3
Urea, NH2CONH2, is a nonvolatile nonelectrolyte. Calculate the boiling point of a solution of 30.0g of urea in 250g of water
Determine how much fluorine was formed if A sample of NaF(sodium fluoride) produced 26.5 grams of sodium upon decomposition? express your answer (in grams)
How much heat is required to raise the temperature of 48.5g of water from its melting point to its boiling point. Express your answer numerically in kilojoules. Can someone answer this for me in decimal form
The decomposition of urea in 0.1 M HCl is first order in urea and first order overall. When [urea] = 0.200 M , the rate at 61.0 °C is 8.56 x 10-5 M/s. What is the concentration of urea in this solution after 4751 s if the starting concentration is..
Draw the structure of camphor and show which C-C bond must be broken to form the unwanted by-product
a sample of gas occupies a volume of 400 ml at 0.740 atm and 70 oc. calculate the pressure of the gas if its volume is
A solution is 40% acetic acid by mass. The density of this solution is 1.049 g/mL. Calcu late the mass of pure acetic acid in 480 mL of this solution at 20 C
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