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A mixture of ethanol and 1-proponol behaves ideally at 36 degrees celcius and is in equillibrium with its vapor. If the mole fraction of ethanol in the solution 0.49, calculate the mole fraction in the vapor phase at this temperature. (the vapor pressure of pure ethanol and 1-propanol at 36 degrees celcius is 108 mmHg and 40mmHg, respectively)
The overall formation constant for Cu(NH3)42+ is 1.1x1013 at 25oC. What is [Cu2+], in moles per litre, at equilibrium when 8.3 g Cu(NO3)2 is dissolved in 0.500 L of 1.00 mol/L NH3(aq)? Assume that there is no volume change when the Cu(NO3)2 is add..
CO(g) + NO2(g) ------> CO2(g) + NO(g) rate= k(NO2)^2 Suggest a plausible mechanism for the reaction, given that the unstable species NO3 is an intermediate.
when liquid water is put into an evacuated vessel at 25 celsius what is the sign of the change in enthalpy, entropy, free energy, and temperature for the system during this process?
Titanium crystallizes on a body-centered cubic lattice with a unit cell edge length of 3.28 Å. The density of titanium is 4.54 g /?cm3. The atomic mass of titanium is 47.88.
In a cell constructed between a compartment containing a zinc electrode immersed in a 0.1 M ZnSO4 (aq) solution and a compartment containing a copper electrode immersed in a 0.1 M CuSO4 (aq) solution,
The sulfur dioxide stack gas concentration from fossil fuel combustion is 2ppm(v). Determine the stack-gas concentration in units of micro grams/m^3 assume 0 degrees Celsius and1atm.
if i have 7.0 moles of gas at a pressure of 0.10 atm and at a temperature of 50.1 degrees c in a balloon what is the
Enter formulas for these ionic compounds. copper(I) bromide copper(II) bromide iron(III) bromide lead(IV) bromide copper(I) oxide copper(II) oxide iron(III) oxide lead(IV) oxide
Estimate the molar heat of vaporization of a liquid whose vapor pressure doubles when the temperature is raised from 85 ºC to 95 ºC.
what is the molar solubility of hg2c2o4 ksp 1.75x10-13 in 0.34m
compute the change in temperature for 4.50 grams of calcium chloride cacl2 dissolved in 90.0 ml of water h2o. assume
Solids generally expand as the temperature increases. Such an expansion results from an increase in the bond length between adjacent atoms as the vibrational amplitude increases.
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