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Problem- What partial pressure of oxygen above the water (in atmospheres at 0 C) is needed to obtain this concentration [4mg/L]? The solubility of O2 in water at 0C and 1 atm partial pressure is 2.21*10^- 3 mol/L.
Here is the problem which I am struggling on, please help me!
If the rate constant at a particular temperature is 3.7*10^-6 mol/L*sec, how long will it take for an ammonia concentration to drop from an initial concentration of 5.0*10^-4 M to 5.0*10^-5 M? What is the half life of the reaction under these cond..
what is the molarity of a sodium carbonate solution if it requires 35.2 ml of this solution to completely react with
A stream of humid air containing 1.00 mole% H2O(v) and the balance dry air is to be humidified to a water content of 10.0 mole% H2O. For this purpose, liquid water is fed through a flow meter and evaporated into the air stream. The flow meter, R, ..
The mass percent composition of the compound is 53.31% C, 11.19% H, and the rest is O. What is the molecular formula of the compound
air at 90 deg f and 30 per cent relative humidity is cooled isobarically by an air conditioner to 60 deg f.a is
at 210degc a solution of 18.26 g of a nonvolatile nonpolar compound in 33.25 g of ethyl bromide c2h5br had a vapor
Calculate the amount of of cobalt(II) nitrate hexahydrate [Co(NO3)2*6H2O] needed to prepare 50 mL of a .15 M cobalt(II) nitrate stock solution.
An aerosol spray can of deodorant with a volume of 210mL contains 3.4g of propane gas as propellant. Part A What is the pressure in the can at 20 celsius
In a formal sense, the conversion of a carboxylic acid to an amide corresponds to which of the following. the combining of the fragments which remain after the loss of -OH from the carboxylic acid and -H from ammonia or an amine
State chemical equations for the formation of the following Fischer esterification products- ethyl acetate, phenyl propanoate, benzyl acetate, isopentyl butanoate, methyl o-aminobenzoate.
What volume of nitrogen gas is produced from the liquid nitrogen spill if the temperature of the room is 25 degrees C at 1.00 atm?
what is the equilibrium expression for the reversible reaction of: 2CrO42-(aq) + H2O(l) Cr2O72-(aq) + 2OH-(aq)
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