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How many moles of gas are there in a 45.0 L container at 25.0 degrees Celcius and 500.0 mm Hg
Develop a detailed calorimetric method for determining the temperature of the warm water sample.
The standard free energy for the neutralization of HCl with NaOH at 25 degrees Celsius is -79.9KJ/mol. Calculate the equilibrium constant for the reaction.
Someday, cars may be powered by clean H2/O2 fuel cells and electric motors. Under standard conditions, such a fuel cell can develop 1.229 volts. If the oxygen is obtained from air (at P=0.21 bar), what pressure of H2 would be required to develop 1..
Draw the structure of all alkenyl side products that could be formed by dehyradation of 2-methyl-2-butanol by and E1 mechanism. propose a mechanism for the formation of the alkene side products.
If a container having a volume of 322mL at 25.o degrees celcius was to suddenly reduce to 75.0mL, what would be the new temp.(n,p constant)?
Nitrogen dioxide decomposes according to the reaction 2NO2(g) 2NO(g) + O2(g) where Kp = 4.48 × 10-13 at 25°C. What is the value for Kc?
Calculate the number of grams of HC2H3O2 needed to make 450 mL of 0.322 M solution.
Which statement(s) is(are) true about X which has a molecular ion peak in its mass spectrum at mass 164?
A 0.3500 g sample of brass is analyzed by the procedure in the above exercise. The Beer's Law constant for the copper ammonia complex is determined to be 7.50 x 10^-1 mL/mg.
Calories given off when 83g of water cools from 48 degrees Celsius to 27 degrees Celsius.
when using a rotary evaporator, the water bath is typically kept at a temperature below the normal boiling point of the solvent to be evaporated
explain why moderate contamination of a basalt by granitic rocks does not greatly change the FeO/MgO ratio of the hybrid magma with respect to the ratio of the original basalt.
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