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Arrange the elements in order of decreasing ionization energy N MG O F Al
At 25 degree C the heat of fusion of Al is 10.6 kJ/mol and the heat of sublimation is 326.4 kJ/mol. What is the heat of vaporization of Al at 25 degree C.
how many millimeters of 5M NaOH are needed to neutralize 40mL of 2M H2SO4
After equilibrium was established, which of the ions listed below was present in the greatest concentration?A) H2C6H5O7^-
A sample of Nitrogen gas occupies 1.55L at 27.0 degrees C and 1.00 atm. What will the volume be at -100.0 degrees C and the same pressure?
A 0.4647-g sample of a compound known to contain only carbon, hydrogen, and oxygen was burned in oxygen to yield 0.8635 g of CO2 and 0.1767 g of H2O.
Explain how chymotrypsin combine different modes of catalysis( acid/base and covalent chemistry; proximity effects and transition state binding/stabalization) to acheive the rate enhancement observed for enzyme catalyzed reactions.
the Ideal Gas Law to calculate the pressure of the vapor at 88 °C; at 66 °C. b) Will condensation occur at 88 °C; 66 °C? Explain. c) On the basis of your answers in a) and b), predict the pressure exerted by the water vapor in the flask at 88 °C; ..
How much time (in minutes) will it take for the water heater to heat the 5.5 Liters of water from 23 Celsius to 49 Celsius?
How many moles of oxygen are consumed in burning 1.60 moles of benzene, C6H6?
If you used 8400 kilojoules you expend in energy in one day to heat 50,000 g of water to 20 degrees C, what would be the irse in temperature? What would be the new temperature of the water?
ideal gas in 2.0 L what will be the volume of the gas if the pressure on the container is doubled while the temperature is reduced from 400 K to 200 K.
what is the final concentration of NaOH when 50.0 mL of .200 M NaOH is added to 50.0 mL of 0.500 M NaOH?
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