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A buffer contains equal amounts of a weak acid and its conjugate base and has a pH of 5.25. Which of the following values would be reasonable to expect for the pH after addition of a small amount of HCl?
A volume of 725 mL of a gas is collected at 105 degrees C and 746 torr. The gas sample weighs 1.92 grams. what is the gas.
How many different types (sets) of hydrogens are there in 2,2-dimethylpentane
Charge is carried from one electrode to the other by metal atoms passing through the solution e. none of the listed choices are correct
How do you write and balance this chemical equation a mixture of benzoic acid (C7H6O2 or C6H5COOH) and 4-t-butylphenol (CH3)3CC6H4OH
What problem might be encountered if 1- bromo-2,2-dimethylpropane, BrCH2C(CH3)3, were used as the halide in the synthesis of a barbiturate?
What is the mechanism for the oxidation of an aldose to an aldonic acid
What sequence of steps represents the best synthesis of 4-heptanol (CH3CH2CH2)2CHOH?
The average kinetic energy of the molecules in a gas sample depends only on the temperature, T. But given the same kinetic energies, a lighter molecule will move faster than a heavier molecule.
say you removed an ice cube at -10 ordmc weighing 36 g from your freezer. now you place the ice cube in a 90 g sample
1. how much energy is required to warm 175 ml of water at 18.5degc to 85.0degc? assume the specific heat of water to be
0.02 grams of AgNO3 is dissolved in 1.0 L water. What is its concentration as parts per million
calculate the pH of the solution that results when 40.0 mL of 0.100 M NH3 is mixed with 20.0 mL of 0.100 M HCl solution.
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