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A 27 g sample of ammonium carbamate (NH4(NH2CO2)), was placed in an evacuated 0.25 L flask and kept at 25?C. At equilibrium, 16.4 mg of CO2 was present.NH4(NH2CO2)(s) ?? 2NH3(g) + CO2(g) .What is the value of Kc for the decomposition of ammonium carbamate into ammonia and carbon dioxide?
Rhombic sulfur turns into monoclinic sulfur, Calculate the transition temperature for this change at a pressure of 1 bar.
In the welding shop of the XYZ Manufacturing plant you have a cylinder with a volume of 548L of a compressed gas, and the pressure gauge shows 238 psig at the room temperature 25 C.
If the 53 g aluminum block is initially at 25^circ C, what is the final temperature of the block after the evaporation of the 1.02 galcohol? Assume that the heat required for the vaporization of the alcohol comes only from the aluminum block and t..
adiabatic bomb calorimeter with a heat capacity of 5.343 kj/K. The reaction resulted in an increase of 1.173K. Calculate delta U, delta H, and delta A
Estimate the osmotic pressure of human blood at 37°C. Assume blood is isotonic with a 0.16 M NaCl solution, and assume the van't Hoff factor i is 1.9 for NaCl.
A gas occupying a volume of 246 mL at a pressure of 0.970 atm is allowed to expand at constant temperature until its pressure reaches 0.541 atm.
Determine the mass of the steel bar if the final temperature of the system is twenty one degree Celsius?
2.00 L of H2 at a pressure of 368 torr and 1.00 L of N2 at an unknown pressure. If the total pressure in the flasks is 336 torr after the stopcock is opened.
If 420 Joules are added to 20 grams of water to 30oC, what will be the final temperature of the water?
how much product could form assuming no loss of grignard reagent to side reactions and addition of excess benzophenone.
What is a possible molecular formula of the hydrocarbon?
What is the volume of Ammonia gas is dissolved in 40.0 mL of 15.0 M NH 3 solution at STP and Determine what is the vapor pressure of a solution made by dissolving 65.4grams ammonia in 259 grams of H 2 O at 55.0 ºC?
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