Calculate the equilibrium concentrations on the gases
At a particular temp, K=3.75 SO2+NO2 reverse arrows SO3+NO If all four gases had initial concentrations on .800, calculate the equilibrium concentrations on the gases
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An FM station broadcasts at 106.9 MHz, calculate the wavelength of the corresponding radio waves? What is the amount of energy packaged in a photon with a wavelength of 310 nanometer and calculate the frequency of electromagnetic radiation with a
C2H4(g) + O2(g) CO2(g) + H2O(g)
How many moles of O2 would be required to react with 0.410 moles of C2H4 in the above unbalanced reaction?
Sketch the phase diagram for CO2 using the following data: triple point, 216.8K and 5.11atm; critical point, 304.2K and 72.9 atm; normal sublimation point, 194.7K.
A 1.50 L buffer solution is 0.250 M in HF and 0.250 M in NaF. Calculate the pH of the solution after the addition of 0.0500 moles of solid NaOH. Assume no volume change upon the addition of base. The Ka for HF is 3.5 × 10-4.
A 385-L sample of this gas, measured at 22.6 °C and 739 mmHg, is burned at constant pressure in an excess of oxygen gas. How much heat, in kilojoules, is evolved in the combustion reaction?
a cylinder measuring 5.7 cm wide and 6.8 cm high is filled with gas. The piston is pushed down with a steady force measured to be 11 N. Calculate the pressure of the gas inside the cylinder.
If the two flasks are connected through a stopcock and the stopcock is opened, what is the partial pressure of helium?
What mass of this substance must evaporate in order to freeze 190 of water initially at 24? (The heat of fusion of water is 334 the specific heat of water is 4.18 .)
Compute the change in temperature when 1.8 g of sodium chloride is dissolved in 300.0 mL of water initially at 20C. The heat capacity of water is 4.184 J/mL/K. Neglect the heat capacity of the NaCl.
All substances are gases. What is the equilibrium concentration of nitrogen when 0.341 M of NO are placed in a flask and allowed to equilibrate? The equilibrium constant of the reaction is 6.53
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