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A solution of volume 0.500L contains 1.68g NH3 and 4.00g (NH4)2SO4 . How many milliliters of 12M HCl must be added to 0.500 L of the original solution to change its pH to 9.00?
calculate the inimum temperature at which this process will be spontaneous under standard conditions. Assume that Delta Ho and Delta So do not vary with temperature.
If it takes 3 breaths to blow up a balloon to 1.2 L, and each breath supplies the balloon with 0.060 moles of exhaled air, how many mols of air are in 3 liters
In the titrating vinegar expirment briefly explain if the following errors would result in high or low expermental determination of the molar concentration of ch3cooh
Calculate the total mass of the protons and electrons in 19/9F. Use 1.007825 amu as the mass of 1/1H(mass of a proton and an electron). Express your answer in atomic mass units to 6 significant figures
Nitroglycerin, an explosive compound, decomposes according to the equation below? Nitroglycerin, an explosive compound, decomposes according to the equation below.
From the data below, calculate the total heat (in Joules) needed to convert 0.333 mol of gaseous Ethanol (MW - 46.07 g/mol) at 300 degrees Celsius
A buffer solution contains 0.15 mol of propionic acid (C2H5COOH) and 0.28 mol of sodium propionate (C2H5COONa) in 1.50 L. 1.) What is the pH of this buffer?
A 2.00-g sample of white solid was vaporized in a 345-mL vessel. If the vapor has a pressure of 985 mmHg at 158°C, what is the molecular mass of the solid?
If I have 7.6057 grams of helium gas held at a temperature of 5 atm and in a container with a volume of 50 liters, what is the temperature
what is the expected freezing point of a 0.50 m solution of li2so4 in water? kf for water is
What is the final concentration of copper in the flask b)what is the uncertainty in the value of the copper concentration?
5-hydroxypental gives a sixmemebered ring hemiacetal. Write a mechanism for the formation of the hemiacetal catalyzed by sulfuric acid.
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