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Explain why the form of the equilibrium constant for a chemical transformation can be predicted from its stoichiometric coefficients whereas the rate law must be determined experimentally.
what is the molar mas of gas if 1.20g of the gas has a volume of 235 mL at STP? A 1.26 sample of He gas has a pressure of .123 atm and volume of 32.6 L. what is the temperature in degrees C?
Describe how soap works, include a drawing of a micelle in your description. Describe the difference between saturated and unsaturated fats. How can you as a consumer tell one from the other?
If the tank was actually pressurized such that the top surface of milk was at a pressure of 123.0 kPa, what was the actual height of milk in the tank?
What is the freezing point of a solution of ethylene glycol, a nonelectrolyte, that contains 81.0 g of (CH2OH)2 dissolved in 505 g of water?
How many milliliters of 0.100 M NaOH(aq) would be needed to completely neutralize 50.0 milliliters of 0.300 M HCl(aq)
25.0 mL of ethanol (density = 0.789 g/mL) initially at 5.4°C is mixed with 34.6 mL of water (density = 1.0 g/mL) initially at 25.3°C in an insulated beaker. Assuming that no heat is lost, what is the final temperature of the mixture?
A mixture initially contains A ,B ,C and in the following concentrations:[A] = 0.700 ,[B] = 1.35 , and [C] = 0.700 . The following reaction occurs and equilibrium is established:
What is the probability of finding a particle of mass m in (a) the left-hand and one-third, (b) the central one-third, and (c) the right-hand one-third
A tank with a total pressure of 4.7 atm has a mixture of gases that is 72% nitrogen, and the rest is oxygen. What is the partial pressure of the nitrogen? The oxygen?
How many grams of HCl are required to react with the 344 grams of FeCl2?
calculate the number of moles of AgCrO4(Ksp=9.0x10^12) that will dissolve in 1.00L of 0.010 M K2CrO4 solution. what will be the ion concentrations at equilibrium?
A certain reaction has ?H equal to 11.57 kJ/mol. This reaction is normally run at room temperature (25?C). At what new temperature should the reaction be run so that K is twice its value at 25?C?
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