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In the following conditions calculate the moles of hydrogen and the pressure in each flask where the volume is negligible. Each flask is originally 275K with .455 mols of hydrogen gas and .7atm of pressure. Then one flask is heated to 500K while the other remains at 275K
How many grams of commercial acetic acid (97% by mass) must be allowed to react with an excess of to produce 83 of acetyl chloride , if the reaction has a 81.2 yield?
Brass is a copper and zinc alloy containing 31.8% zinc by mass and having a density of 8.73 {\rm \frac{g}{cm^3}}. A fitting composed of common brass has a total volume of 335.6 {\rm cm^3}
What is the molarity of a solution made by dissolving .34 moles of NaCl in 455 mL of water?
Draw the Lewis structure of the lowest energy imidazolium ion. This is the lowest energy product formed when imidazole is protonated.
A sample of neon has a volume of 270 mL when it is at a pressure of 831 mmHg. What will be the volume when the pressure is increased to 1238 mmHg?
The solution was boiled to remove CO2, following which the excess HClO4 was back-titrated with 10.12ml of dilute NaOH. In a separate experiment, it was established that 27.43 ml of HClO4 neutralized the NaOH in a 25ml portion. Calculate the molari..
The tetrahedral intermediate in the Fischer esterification of formic acid (HCO2H) with 1-butanol has the structure
Calculate the enthalpy per mole of sodium hydroxide for the dissolution process. Assume the specific heat of the solution is the same as that for pure water.
calculate the mass in kilograms of 3.99 liters of acetic acid. the density of this substance is 1.05g/mL ?
A chemist wants to prepare .50 M HCL. Commerical hydorcloric acid is 12.4 M. How many milliliters of the commerical acid does the chemist require to make up 1.50 L of the dilute acid?
Compute the partial pressure of N2 at the surface of theH 2 O in mmHg. The Henry's law constant for nitrogen gas =1.3x 10^-3 mol/L x atm? at 25 degrees Celsius
why is vapor unlikly to behave as an ideal gas near the temperature at which the vapor would liquefy
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