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A gas with a volume of 525 mL at a temperature of -25 Celsius isheated to 175. What is the new volume of the gas if pressure andnumber of moles are held constant?
what is the vapor pressure of the solution at 20 °C? Values at 20 degress celsius
how many grams of ethyl alcohol c2h5oh must be added to 1.000 kf of water so that the solution will not freeze until
What would happen to the solubility of potassium chloride in water as the water temperature increased from 25 degrees celsius to 100 degrees celsius?
Dry coke is combusted with dry air to generate the solid refuse, the flue gas and the superheated steam. Calculate the heat transfer to of from the process. Use a constant Cp for the inert of 8.5 J/g and assume everything at 1atm.
what is ture when equal masses of a and b are reacted?
Carbon monoxide gas burns in oxygen to form carbon dioxide gas. Write a balanced equation for the reaction and determine the volume of oxygen needed to react completely with 561 mL of CO at 40.0°C and 1.00 atm.
a 0.042 m solution of a monoprotic acid is 12 percent ionized. calculate the ionization constant of the
At high temperature, ammonia reduces copper(II) oxide to the free metal: Step 1: 2NH3(g) + 6CuO(s) => N2(g) + 3Cu2O(s) + 3H2O(g) Step 2: 2NH3(g) + 3Cu2O(s) => N2(g) + 6Cu(s) + 3H2O(g)
What mass of potassium bromide residue remains if 500.0 mL of 0.200 M potassium bromide solution are evaporated to dryness?
Calculate the pH of a solution that is 0.295 M in sodium formate (NaHCO2) and 0.205 M in formic acid (HCO2H). the Ka of formic acid is 1.77x10^-4.
in an experiment a student gently heated a hydrated copper compound to remove the water of hydration. the following
how many moles contain each of the following?1.25 x 1015 molecules co23.59 x 1021 formula units sodium nitrate2.89 x
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