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1.) The solubility of an ionic compound M2X3 (molar mass = 320. g) is 2.1 multiplied by 10-17 g/L. What is Ksp for the compound?
Consider a distillation column that is fed 1000 kg/hr of an equimolar mixture of benzene and cyclohexane. Theof the benzene distillate stream is to contain 90 % with a benzene mole fraction of 0.95.
A 100. mL sample of 0.200 M aqueous hydrochloric acid is added to 100. mL of 0.200 M aqueous ammonia in a calorimeter whose heat capacity (excluding any water) is 480. J/K. The following reaction occurs when the two solutions are mixed.
Suppose that 0.35 mol of hydrogen gas and 0.35 mol of clorine gas are placed in a 1L reaction vessel at a certain temperature, and the following reaction comes to equilibrium
how much heat is absorbed when 63.7g h2o at 100 c and 101.3 kpa is converted to steam at 100 c.
A flask is filled with vapor by boiling a volatile unknown liquid in the foil covered flask. As it boils away, the vapor of the unknown pushes the air out of the flask through a tiny pinhole opening and eventually the flask is filled with an atmos..
Hydrogen gas was cooled from 150C to 50 C. It's new volume is75 mL. What was it's original volume?
Tums, a drugstore remedy for acid indigestion, contains CaCO3. Write an equation for the reaction of Tums with gastric juice (HCl)
When the gas is not flowing the pressure is the same everywhere in the pipe. How high above the bottom of the manometer would the mercury be in the am connected to the pipe?
A gas-filled balloon having a volume of 4.00 L at 1.2 atm and 25°C is allowed to rise to the stratosphere (about 30 km above the surface of Earth), where the temperature and pressure are -23°C and 3.00 multiplied by 10-3 atm, respectively. Calcula..
A helium-filled balloon at sea level has a volume of 2.5 L at 0.989 atm and 33°C. If it is released and rises to an elevation at which the pressure is 0.900 atm and the temperature is 29°C, what will be the new volume of the balloon?
what is the number of valence electrons for nh4+ and what is the lewis structure for that molecule. and how many remaining electrons are there and how do you find the formal charge.
If 45.8 grams of aluminum metal are reacted with excess HCl, what volume of H2 gas would be generated at 23.0 ºC and 1.00 atm pressure?
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