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the density of phosphorus vapour at 310 degrees celcius and 75 mmHg is 2.64 g/L. What is the molecular formula of the phosphorous under these conditions?
A certain second-order reaction has a rate constant of 1.10×10-3 at 27 C and an initial half-life of 226 . What is the concentration of the reactant after one half-life?
A rigid tank with a volume of 2.5 m3 contains 15 kg of saturated liquid-vapor mixture of water at 75 0C . The water is heated. Determine the temperature at which the liquid in the tank is completely vaporized.
Combustion analysis of naphthalene, a hydrocarbon used in mothballs, produced 8.80 g CO2 and 1.44 g H2O. Calculate the empirical formula for naphthalene?
what is the rate law? b) calculate the value of the rate constant c)calculate the initial rate for an experiment when both I- and OCl- are initially present at 0.15 mol/L
How much time (in minutes) will it take for the water heater to heat the 5.5 Liters of water from 23 Celsius to 49 Celsius?
Predict the effect of decreasing the container volume on the amounts of each reactant and product in the following reactions. (NOTE: Only ONE submission is allowed for this question.)
Determine what is the final volume the gas occupies If the pressure of a gas inside the cylinder changes from 840.0 mmHg to 360.0 mmHg,?
What volume of O2 at 988 mm Hg and 33 degrees celcius is required to synthesize 19.5 moles of NO2.
A student mixed 75.0 mL of water containing 0.75 mol HCl at 25 degrees C with 75.0 mL of water containing 0.75mo of NaOH at 25 degrees in a foam up calorimeter. The temperature of the resulting solution increased to 35 degrees C.
The activation energy for a particular reaction is 95 kJ/mol. By what factor will the rate constant increase when the temperature is increased from 50 oC to 62 oC?
what is the rate constant for this reaction at 398 K ? I know that the answer is 1.2 s-1 but I don't know how to get it . Can anyone explain it to me please?
How many kilocal are required to increase the temp of 15.6g of iron from 122C to 355C? the specific heat of iron is
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