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Why is it extremely dangerous to attempt to carry out a distillation in a completely closed apparatus (one with no vent to the atmosphere)?
The vapor pressure of pure CH2Cl2 (with molecular weight 85 g/mol) is 133 torr at 0?C and the vapor pressure of pure CH2Br2 (with molecular weight 174 g/mol) is 11 torr at the same temperature.
Sulfur dioxide reacts with chlorine at 227 oC: SO2(g) +Cl2(g) ↔ SO2Cl2(g) Kp for this reaction is 5.1 x 10-2 atm-1. Initially, 1.00 g each of SO2 and Cl2 are placed in a 1.00 L reaction vessel.
The enthalpy change for converting 1.00 mol of ice at -50.0 degrees C to water at 70.0 degrees C is ____ Kj. The specific heats of ice, water, and steam are 2.09 J/g-K, 4.18 J/g-k and 1.84 J/g-k, respectively.
How many grams of oxygen gas are required to produce 7.68 kJ of heat when hydrogen gas burns at constant pressure to produce gaseous water?
determine the pressure exerted by 1.80 mol of gas in a 2.92-L container at 32.0 degrees celsius.
Calculate the work done in joules, when 4.5 L of argon expands to 11 L at constant temperature against an external pressure 545 torr.
how many grams of bromine are required to react with 37.4 grams of aluminum chloride?
when perfoming a distillation some of the material will vaporize but will not collect in the reservoir of the Hickman head
Working with ideal gas law, The pressure of a sample of gas at a constant temperature of 25 degrees C is increased from 1.0atm to 1.3atm
How many grams of methanol must be added to 7.50kg of water to lower its freezing point to -15.0^circ C? For each mole of solute, the freezing point of 1 {rm kg} of water is lowered 1.86 ^circ {rm C}
find the specific solubilities (in g/100g H2O) in both cold and hot water for AgCl, PbCl2, and Hg2Cl2.
What is the pH of a buffer prepared by adding 0.809 mol of the weak acid HA to 0.406 mol of NaA in 2.00L of solution? The dissociation constant of is 5.66*10-7
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