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Explain what is the value of [O2(aq)] for water saturated with a mixture of 50% O2, and 50% N2 by volume at 25 Celsius and a total pressure of 1.00atm?
a 0.21 m3 drum contains 100 l of a mixture of several degreasing solvents in water. the concentration of
When 1 mole of H2(g) reacts with C2H4(g) to form C2H6(g) according to the following equation, 137 kJ of energy are evolved. What is the value of q?
Since there isn't an oxygen or some other electronegative atom in the molecule I'm not sure which peaks are which.
If you predicted that no ionic compound would form from the reaction in part e, what minimum amount of AX(s) lattice energy might lead to compound formation
Calculate the masses of (a) KNO3 and, separately, (b) Ba(NO3)2 to add to a 0.110 mol kg^-1 solution of KNO3(aq) containing 500 g of solvent to raise its ionic strength
How many grams of HCl are required to react with the 344 grams of FeCl2?
The iron-chromium voltaic cell utilizes the following reaction with a measured potential of 0.30V. What is the standard change in G
If 84 g of CO reacts to produce 63 g of CH3OH, What is the percent yield of CH3OH?Answer in units of % ?
what is the enthalpy change for a reaction where the internal energy change is 58.0 kJ and the volume increase is 12.6 L? (1L * atm = 101.325 J)
A 125.0ml contains a gas at 27 degrees Celsius and 760mmHg of pressure. the gas is pumped into an empty 1.50L flask also at a temperature of 27 degrees Celsius. What is the pressure ( in atm) of the gas in the new flask.
Graphite is the crystalline form of carbon used in lead pencils. How many moles of carbon are there in 305 mg of graphite? (b) Manganese (Mn) is a transition element essential for the growth of bones.
Write the equilibrium expression that agrees with the equilibrium constant in part a. Calculate the equilibrium pressure of hydrogen gas needed to give an equilibrium ratio of CH3OH to CO equal to 10,000:1
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