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Use the equipartition theorem to estimate the constant-volume molar heat capacity of (a) I2, (b) CH4, (c) C6H6 in the gas phase at 25oC.
Express the concentration of a 0.0510 M aqueous solution of fluoride, F-, in mass percentage and in parts per million. Assume the density of the solution is 1.00 g/mL.
If 67.0 mL of 0.119 mol/L NaOH(aq) and 35.0 mL of 0.193 mol/L HA(aq) are mixed, then what is [HA] at equilibrium? Assume that HA is a weak monoprotic acid with pKa=6.23 at 25oC.
kilimanjaro in tanzania is the tallest peak in africa 19340 ft.. on a particular day the barometric pressure at the top
The enthalpy change for the reaction of 50.0ml of ethylene with 50.0ml of H2 at 1.5 atm pressure (problem ^H= -0.31kj. What is the value of ^E
the balmer series of transitions for the hydrogen atom result in absorption of photons that all originate from the n 2
when sodium azide , NaN3 , is activated in an automobile air bag , nitrogen gas and solid sodium are produced . if 0.0500 moles of NaN3 react , what mass , in grams , of nitrogen would result ?
Chloroform has a molar mass of 119.4 g/mol and a density of 1.499 g/cm^3. Estimate the volume of the above mixture using this information.
The combustion of B2H6 occurs according to the following equation. Using the enthalpies of formation, calculate the energy (kJ) released when 4.00 g of B2H6 reacts.
If a solution containing 63.411 g of mercury(II) chlorate is allowed to react completely with a solution containing 16.642 g of sodium sulfate, how many grams of solid precipitate will be formed. How many grams of the reactant in excess will remai..
A particular reaction is spontaneous at 450K. The enthalpy change for the reaction is 34.5 kJ. What can you conclude about the sign and magnitude of the standard entropy change for the reaction
If a mixture of solid nickel(II) oxide and 0.11M carbon monoxide is allowed to come to equilibrium at 1500 K, what will be the equilibrium concentration of CO2
iron was heated to 275.1 c and placed into 272 g of water at 19.8 c the temperature of the water rose to 25.6 c.
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