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When hydrogen gas and nitrogen gas react to form ammonia, the enthalpy change is recorded as 45.92 kJ per mole of ammonia formed. How many moles of hydrogen gas and nitrogen gas are needed in order to produce 15.31kJ of energy?
One Kg of air is compressed from V=2.0m^3 and P=400kPa to .... V=.547m^3 to P=1200kPa. find the work during the compression process
A modern chealting agent used for this purpose is succimer (C4H6O4S2). Suppose you are trying to determine the appropriate dose for succimer treatment of lead poisoning.
How many grams of urea (NH2CONH2) must be added to 450 g of water to give a solution with a vapor pressure 2.50 mmHg less than that of pure water at 30C? The vapor pressure of pure water at 30C is 31.8 mmHg. Assume urea is nonvolatile.
In trans-1,2-dibenzoylethylene, even though the conjugated C=O group frequency coincides directly with the expected C=C stretching frequency, we would not have expected to observe the latter stretching mode in the infrared spectrum. Why
what is the specific heat for the metal if it takes 48.0j to raise the temperature of an 8.60g piece of unknown metal
write the decay reaction for each of the following processesa a decay of 232u and 234pu 92 94b szlig- decay of 45ca and
Question- At a given temperature, you have a mixture of benzene (vapor pressure of pure benzene = 745 torr) and toluene (vapor pressure of pure toluene = 290 torr). The mole fraction of benzene in the vapor above the solution is 0.590. What is the..
if you prepare a 1.00 nh4clo4 solution of beginning with water at 21.5 what is the final temperature of the solution in
Write a mechanism for the reaction of an alkyl halide with alcoholic silver nitrate which depicts the type of substitution which occurs. Explains how this mechanism accounts for the relative rate of reactivity of 1°, 2°, and 3° halides in this rea..
The density of oxygen gas (O2, M= 32.00 g/mol) in a new oxygen gas cylinder, measured at T= 20 degrees Celsius, is 0.1632 g/ml. Find the following-
If the liquid effluent from the press could be fed to the spray dryer without afffecting the tasteof the product, by what percentage would the production rate of instant coffee be increased
What is the purpose of putting anti-freeze in your car radiator? (Anti-freeze is usually Ethylene glycol)
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