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When adjusted for any changes in delta H and delta S with temp, the standard free energy change delta G*T at 500K is equal to 9.8*10^4 J/mol. Calculte the equilibrium constant at 500 K.
At a certain temperature the equilbrium constant is 396 K for H2(g) + I2(g) ↔ 2HI(g) , Calculate the the equilbrium constant for 0.5H2(g) + 0.5I2(g) ↔ HI(g)
An unknown, rectangular substance measures 3.6 cm high, 4.21 cm long, and 1.17 cm wide. If the mass is 21.3g, what is this substance's density?
In a reaction 82.00 g of sodium reacts with 74.00g of ferric oxide to form sodium oxide and iron metal. calculate the mass of solid iron produced
The double-replacement reaction between silver-nitrate and sodium bromide produces silver bromide, a component of photographic film.
An empty volumetric flask, weighing 60.42 grams, weighed 309.60 grams when filled with water. After emptying the water and drying the flask
What is the magnitude of the change in pH when 0.005 moles of HCl is added to 0.100 L of a buffer solution that is 0.100 M in CH3CO2H and 0.100 M NaCH3CO2?
If 30.0mL of .150M calcium chloride is added to 15.0 mL of .100 M silver nitrate what will be the final concentration of all ions the remain in the solution?
Which has the lowest freezing point: CaF2, (NH4)3PO4, C6H12O6, or NaNO3?
What is the initial concentration of the Fe2+(aq) solution?
How many kilojoules are required to heat the nugget from 500 C to 1064 C and convert all the gold to liquid?
Gas stoichiometry and Percentage of calcium carbonate in the sample
a 6.0-g sample of [Ni(H2O)6]Cl2 is dissolved in aqueous solution. If an excess of ethylenediamine (en) is added to the solution, solid [Ni(en)3]Cl2*2H2O forms. What is the theoretical yield of product from the reaction?
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