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As a system increases in volume, it absorbs 52.5 J of energy in the form of heat from the surroundings. The piston is working against a pressure of 0.500 atm. The final volume of the system is 58.0 L. What was the initial volume(L) of the system if the internal energy of the system decreased by 102.8 J?
If an average cup of coffee contains approximately 100 of caffeine, how many moles of caffeine are in one cup
At what temperature will a Fahrenheit thermometer reading be the same as a Celsius thermometer reading
all of the common noble gases are monatomic and low-boiling. their boiling points in c are ne -245 ar -186 kr -152 xe
What do these results tell us about the difference in molecular mass between the aroma molecules and the colour molecules? In the lab there were both an 80C and a 100C distillate
A Ni(II) coordination compound with an octahedral arrangement of ligands has been synthesized containing only water and ammonia as ligands and chloride as counterions. From the following data, determine the exact formula of this compound.
prepare 10 ml of solution that represents a 4 fold dilution of the stock solution
Calculate ?Grxn at 298 K under the conditions shown below for the following reaction. SO3(g) + H2O(g) ? H2SO4(l) ?G°= -90.5 kJ P(SO3) = 0.20 atm, P(H2O) = 0.88 atm
a sample of the sugar d-ribose c5h10o5 of mass 0.727 g was placed in a calorimeter and then ignited in the presence of
Consider the reaction. N2(g) + O2(g) --> 2NO(g) How many moles of NO are obtained when 0.029 mol of N2 is completely reacted
caclculate the number of grams of Fe formed when 0.300kg of Fe2O3 reacts.
If the tempurature of the combined solution rises to 27.8 degree C what is the DeltaHrxn (delta heat reaction) (in kJ/mole) for this process?
calculate the mass of water that must be added to 0.45 mol of glucose to make a solution of 15.0 percent by mass. the molar mass of glucose is 180 g/mol
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