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Calculate the bubble point pressure at 30 degree celcius for a mixture that is 50/50 mole% ethanol and water given that P1(sat)=10.46 kPa and P2(sat)= 4.24kPa assuming that the margules equation with A12=1.451 and A21=.9146 represent that nonideality in the binary and assuming O1=0
What is the pH of a solution prepared by dissolving 11 mmol of a weak base in 350 mL of a 0.199-M solution of its conjugate acid
It only contains only C,H, and O. A 116mg sample was treated with an excess of methylmagnesium bromide, producing 48.7ml of methane gas at 20 degrees C and 750mm Hg.
if 836.8 Joules are added to 25 grams ammonia at 37 degrees Celsius, what will the final temperature be?
What is the osmotic pressure of a solution made from dissolving 85.0 g of glucose, rm C_6H_{12}O_6, in 300 mL of water at 45.0{^circ}C?
A 2.00 liter vessel is ?lled with NH3(g) to a pressure of 4.00 atm and the reaction N2(g) + 3 H2(g) ?? 2 NH3(g) comes to equilibrium at a ?xed temperature.
Assume that the liquid is an ideal solution and apply Raoult's law to find the following. What is the temperature of the liquid
what is the partial pressure of helium? If the two flasks are connected through a stopcock and the stopcock is opened, what is the partial pressure of argon?
What happens when you mix Calcium Nitrate and Sodium Carbonate? What is the precipitate it forms?
Calculate the kinetic energy of an electron ejected by a photon with wavelength 1.91 x10^2 nm from a metal with a binding energy of
Given that translational and rotational degrees of freedom typically behave classically, but vibrations behave quantum mechanically, the total (avg) energy of a diatomic is predicted to be U= (5/2)RT+ , where is obtained from Eq.124.
What is the effective concentration between the ends if you consider the characteristic ratio of dna?
A 0.12M solution of a weak acid HA has pH = 2.49. What is the Ka of this acid.
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