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Formula Molar Mass (g/mol) ?G°f (kJ/mol) ?H°f (kJ/mol) S° (J/(K mol)) I2(g) 253.812 19.33 62.44 260.69 I2(s) 253.812 0 0 116.14 T = (NA) K R = 8.314 J/(K mol) Calculate the temperature (K) at which the equation as written is at equilibrium. Express your answer to three significant figures. I2(g) ? I2(s)
the water dissociation reaction H2O (l) --> H+(aq) + OH-(aq). What are the standard states for the three species in the two cases? Density of water is 997 kg/m^3.
a student combusts 504.96 grams of ethene gas c2h4. how many liters of co2 g are produced at a pressure of 0.993 atm
explain how to determine the instantaneous rate of formation of i3- at exactly 20 minutes. draw on the graph above as part of your. explanation.
discuss in detail the healthcare applications of chemical reactions. which chemical reactions would you consider to be
The vapor pressure of water at 20oC is 17.5 mmHg. What is the vapor pressure of water (in mmHg) over a solution prepared from 258 g sucrose (C12H22O11) and 350 g water?
Calculate the osmotic pressure of a solution containing 24.9g of glycerin (C3H8O3) in 238.0mL of solution at 300 K.
It is desired to produce an aqueous solution of pH=8.75 by dissolving one of the following salts in water at 298 k. Which salt would you use and at what molar concentration?
if potassium bromide of 25.5 grams is dissolved in enough H 2 O to make 1750 mL of solution, determine the molarity of the solution?
How many grams of phthalic acid o-C6H4(COOH)2 would be neutralized in 16.2 ml of a 0.100N NaOH solution?
Calculate the number of grams of CuSO4 needed to make 50.0 ml of a .25M solution of CuSO4 in 3.0M HCl.
a piece of galena has a volume of 3.9 cm3. if the density of galena is 7.5 gcm3 what is the mass in kg of that piece of
If the solubility of calcium phosphate is 3.41*10^-5 g/l. How many liters of water are required to dissolve 1g of calcium phosphate
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