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A reaction has a rate constant of 1.26x10-4/sat 26 degrees Celsius and 0.236/s at 76 degrees Celsius so what is the value of the rate constant at 16 degrees Celsius?
This compund has been measured to be 68.47%C and 5.47%H. The rest is oxygen. What is the empirical formula? Specifically, how do you determine O
solid carbon dioxide co2 dry ice goes directly from solid to gaseous state at -78degc. the molar heat of sublimation is
Derive an expression for the compression factor of a gas that obeys the equation of state p(V-nb)=nRT, where b and R are constants. If the pressure and temperature are such that Vm=10b, what is the numerical value of the compression factor?
Subsequent to the sample has been dissolved in hot water and then cooled explain why would one scratch the sides of the flask?
Into how many tubes can you dispense 450microliters of buffer using a micropipette set at 2.5 microliters
potassium weighing 3.91 grams was carefully placed in a 1 liter beaker filled with water. all of the potassium reacted
What is the value of the equilibrium constant for the cell reaction below at 25°C? E°cell = 0.30 V
Meaning, use and calculation of empirical formulas, In this introduction are given the explanation of how to find out an empirical formula if one has found out the chemical elements of an unknown substance and measured their ratio of masses
Define Constant volume conditions. Suppose total heat capacity of the bomb calorimeter is 8.74 KJ/C. Adding up a substance with a mass of 1.44 g to the calorimeter, the temperature increases from 22.14 to 27.09 degrees.
It required 29.30 mL of the HCl solution to reach the methyl red endpoint. Calculate the weight percent NH3 in the aqueous waste.
how many grams of co2 are generated when 98.5 grams of aluminum oxide form, according to the equation al2(co3)3=>al203+3co2
The reaction is CaO(s) + H2O(l) ? Ca(OH)2(aq) -- ?H = -83.7 kJ Assume the heat capacity of the solution is the same as pure water (4.184 J/g*°C), the density of the solution is 1.00 g/mL and there is no loss of heat to the surroundings.
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