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flask "a" has a volume of 0.50 L and contains 50 g of a volatile liquid. Flask "b" has a volume of 1.35L and contains 34.8 g of the same liquis. Both flasks are stoppered and both are at 30C. The ratio of the vapor pressure of the liquid in the flask "a" to that of flask "b" is: 1. 1:1 2. 1.4:1 3. 2.7:1 4. 0.37:1 5. 0.70:1
Why is it possible to us ehtnol to extract an organic compound from water even though most organics are more soluble in ethanol than in water?
A microwave oven operates at 2.70 . What is the wavelength of the radiation produced by this appliance
calculate the specific heat capacity of this sample of mercury if the amount of energy required to heat 2.00 grams hg
This reaction's half life is 35.0 at 680C. If you had 520 mmHg of phosphihne in an 8.00 L flask, how long does it take for the pressure in the flask to rise to standard pressure
A 9.20-L container holds a mixture of two gases at 47 °C. The partial pressures of gas A and gas B, respectively, are 0.315 atm and 0.803 atm. If 0.180 mol of a third gas is added with no change in volume or temperature, what will the total pr..
Write the structural formula for each of the following compounds. 3-ethyl-2,3-dimethylpentane
Use VSEPR theory to decide which one of the following molecules and ions will definitely have at least one 90º bond angle in it.
If 4.00 grams of NaOH is added to 1.00 L of the solution in #1 (assume no volume change), what is the pH of the resulting solution
what is the mass number of an iron atom that has 28 neutrons? calculate the number of neutrons ofnbsp239pu. write the
2nd derivative (forwards) Gradient-vector, Hessian-vector products Forward-reverse mode Hessian How costly is obtaining Hessian information?
Kc for the reaction below at 25°C is 4.8 x 10-6. Calculate the equilibrium concentration (mol/L) of Cl2(g) if the initial concentration of ICl(g) is 1.33 mol/L. There is no I2 or Cl2 initially present.
Draw the structure(s) of the secondary alcohols with the chemical formula C6H14O that have a 4-carbon chain.
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