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Given that the N triple bond energy in N2 gas is 941 KJ/mol and that the O double bond in O2 gas is 494 kJ per mole, calculate the no bond energy in No and ONO (heat of formation of NO is 90.4) (NO2 is 52.7
the enthalpy of vaporization of ethanol i 43.5 kj/mole at its normal boiling point of 352 k. using avalue of the molar heat capacity of liquid ethanol of 111.46 j/k/mol
Calculate the concentrations of all species present, the pH, and the pecent dissociation of HCN
for a certain change, the value of change in U is -2.37kJ. during the change the system absorbs 650 joules. how much work did the system do?
A 100. mL sample of 0.200 M aqueous hydrochloric acid is added to 100. mL of 0.200 M aqueous ammonia in a calorimeter whose heat capacity (excluding any water) is 480. J/K. The following reaction occurs when the two solutions are mixed.
Describe the technique you would use to determine the density of approximately 5 gram samples of the following at 20 degrees celcius and 1 atmosphere pressure:
Find the number of moles of water that can be formed if you have 174 moles of hydrogen gas and 82 moles of oxygen gas.
The iron-chromium voltaic cell utilizes the following reaction with a measured potential of 0.30V. What is the standard change in G
write the net ionic equations for the precipitation reaction or reactions that occur. b) what are the spectator ions in the solution?
Calculate the mass of propylene glycol that must be added to 0.500 kg of water to reduce the vapor pressure by 4.60 torr at 40 degrees celcius.
What happens when you mix Calcium Nitrate and Sodium Carbonate? What is the precipitate it forms?
Is there an analytical technique we could employ to verify that the camphor is also racemic? What type of instrument would you use? What kind of results would you expect from a racemic product?
Although the product shown is not the major product of the reaction, notice that there is more than one way it can be produced. Complete the mechanism and draw the missing substances.
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