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How many moles of carbon dioxide are produced when 19.3 mole of propane gas is burned in excess oxygen? C3H8(g) +5O2(g)=3CO2(g) + 4H2O(l).
difference betweenthe first of the longest wavelength lines of balmer and lyman seriies equal to 133.7 nm
Draw the resonance contributors for the cation intermediates obtained from the reaction of napthalene with an electrophile. Explain why substitution i preferred at the 1 position rather than the 2 position.
what is the best method to use to determine if moleculesare polar or nonpolar? also with regards tointermolecular
Pb atom is ionized using a photon of ultraviolet radiation having an energy of 1.86E-18 J, what is the amount of leftover energy that goes into the kinetic energy of the ejected electron
A chemist is commissioned to produce 50,000 liters of 0.550 M aqueous phosphoric acid. The chemist can purchase solid, 98.64% pure, phosphoric acid to dissolve in water. How many grams of this reagent are required?
Elimination competes with substitution. write an equation for the elimination reaction of 2 chloro 2 methylpropane in water
What is the heat capacity of the bomb calorimeter excluding the water - What is the heat capacity of the bomb calorimeter excluding the water?
The previous best inhibitor is drug candidate AAA, with a Ki value of 10^-6 M. The following data has just come in from the lab for a modification of the same drug candidate, BBB.
calculate the probability of occupying each state when T = 50, 500, and 5000 K. As the temperature continues to increase, the probabilities will reach a limiting value. What is this limiting value
An aqueous solution of KI has a freezing point of -1.95 C and an osmotic pressure of 27.0 atm at 25.0 C. Assuming that the KI completely dissociates in water, what is the density of the solution
What is a fusion protein and how would you construct it.- Describe how you would construct this plasmid in order make the bacteria glow in the presence of contamination.
Calcultate what is the value of enthalpy H reaction If the temperature increased from 35.0 degree celsius to 76 degree celsius and the heat capacity of the calorimeter = 23.3kj/c ? (the molar mass of C2H5OH = 46.07g/mol. )
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