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For the reaction: 2NO(g)+2H2(g)-->2H2O(g) at equilibrium in a 4.0L container at 25oC. Suppose 2.5 mol of each component initally is put into the container. At equilibrium 2.5 mol of NO is present. What is Kc for the reaction at the temperature?
How much heat does your body lose when 1.5 g of sweat evaporates from your skin at 25 C? (Assume that the sweat is only water.) The heat of vaporization of water at 25 C is 44.0 kJ/mole.
When a certain unknown hydrocarbon is completely combusted with excess oxygen, it is observed that 1.12 L of H2O gas and 3.36 L of CO2 are produced at STP. What is the empirical formula of the unknown hydrocarbon
Sulfuric acid is mixed with aqueous sodium hydroxide to produce water and sodium sulfate. Liquid C6H12 is burned in air.
The complete electron configuration of: Beryllium Fluorine Aluminum The noble gas configuration of: Iron Yttrium Bromine Fe+3 Ba+2 As-3
The rate constant for a certain reaction is = 6.10×10?3 . If the initial reactant concentration was 0.750 , what will the concentration be after 18.0 minutes
How many chiral centers are there in aldosterone. How many total stereoisomers are there in aldosterone
Calculate Q,W and delta U for the conversion of 1 mole of liquid water to steam at T = 100C and P = 1 atm. The heat of vaporization of water is 9720 cal/mol.
At constant pressure, in which of the reactions is work done by the system on the surroundings? By the surroundings on the system? In which of them is no work done?
If the activation energy for a given compound is found to be 103 kJ/mol, with a frequency factor of 4.0 × 10^13 s^-1, what is the rate constant for this reaction at 398 K
When filled withan unknown gas at STP, the container mass is 37.062g. Calculate themolecular weight of the unknown gas, and then state its probableidentity.
Determine the molar ratio of sodium borohydride to 9-fluorenone that you used in the experiment.
A sample of 28 Mg decays initially at a rate of 53500 disintegrations per minute, but the decay rate falls to 10980 disintegrations per minute after 48.0 hours
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