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An oxygen molecule is adsorbed onto a small patch of the surface of a catalyst. It's known that the molecule is adsorbed on 1 of 36 possible sites for adsorption. Calculate the entropy of this system.
Explain why the C=C stretching mode gives rise to a rather weak IR band in 1-methylcyclohexane, while in its isomer
what is the partial pressure of helium? If the two flasks are connected through a stopcock and the stopcock is opened, what is the partial pressure of argon?
magnesium hydroxide is 54.87 oxygen by mass.How many grams of oxygen are in 175 g of the compound?How many moles of oxygen is in this.
What mass of F2 is needed to produce 167 g of PF3 if the reaction has a 77.0% yield?
A sample of gas originally at 37.2oC and 1.25 atm pressure in a 3.4 L container is allowed to expand until the pressure is 0.73 atm and the temperature is 14.9oC.
What mass of Fe(OH)3 would be produced by reacting 75.0mL of a 0.0810M Fe(NO3)3 solution with 125 mL of a .150 M NaOH solution.
Calculate the probability that a quantum mechanical particle in a one-dimensional box will be found in the left quarter of the box through repeated measurements when it is in the lowest-energy state?
A 10.0 g sample of krypton has a temperature of 25°C at 575 mm Hg. What is the volume, in milliliters, of the krypton gas?
A 1.17 g sample of an alkane hydrocarbon gas occupies a volume of 674 mL at 28°C and 741 mmHg. Alkanes are known to have the general formula CnH2n+2.
If 50.0 ml of the solution prepared in 6 is reacted with an excess of sodium chloride, how many grams of silver chloride should be produced.
When 5.25 g of sodium oxalate is reacted with 5.25 g of calcium chloride, how many grams of sodium chloride and calcium oxalate are formed?
Nitrosyl bromide, NOBr, is 34 percent dissociated at 25 deg. C and the total pressure is 0.25 atm. Calculate kp and kc for the dissociation.
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