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Ammonium bromide decomposes according to the equation NH4Br (s) ? NH3 (g) + HBr (g) Some solid ammonium bromide is introduced into an empty reaction container; after equilibrium is established, the total pressure is 26.4 torr. Calculate the total pressure if the volume of the reaction container is then (i) doubled; or (ii) reduced 7-fold.
What mass of carbon dioxide is present in 1.00m^3 of dry air at a temperature of 25c and a pressure of 731torr? Calculate the mass percentage of oxygen in dry air.
Where would we predict benzene to absorb if we treated the pi-electrons as particles on a ring (radius 1.39 A)? What is the % error? I'll give you a hint.
what would the coefficent of Al(NO3)3 be in the balanced equation?
Bombardment of boron-10 with a neutron produces a hydrogen-1 atom and another nuclide. What is this nuclide
What mathematical expresssion will yield the correct volume at 177 degrees celsius and 400mgHg?
A half-cell containing which of the following metals would produce the greatest emf when it is coupled with a half-cell containing aluminum metal
When 0.100g of graphite is burned completely in a bomb calorimeter(heat capacity =3.344kJ/?C), containing 3000 g of water, a temperature rise of 0.21?C is observed.
calculate the heat released when 176g of water at 23.0 degrees celsius are converted to ice at -10.0 degrees celsius?
The best means of personal protection from radiation for emergency responders is the implementation of three basic principles: time, distance and shielding. Please show your work when answering the following questions.
Calculate the amount of heat required to completely sublime (turn from solid to gas) 25.0 g of solid dry ice (CO2) at its sublimation temperature. (the heat of sublimation is 32.3 kJ/mol)
Which of the following molecules is polar?
determine what mass of AgCl silver chloride can be formed from 1.03L of a 0.132M solution of AgNO 3 silver nitrate
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