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liquids A and B form an ideal solution. At 335K, the vapor pressure of pure A and pure B are 76.5 kPa and 48.2 kPa respectively. When the total vapor pressure is .593 atm, calculate the mole fraction of A and B in the liquid mixture
When 35.6 L ammonia and 40.5 L oxygen gas react at STP, NO(g) and water are produced. How many grams of NO(g) are produced assuming 100% yield?
Which of these is likely to be the best conductor of electricity?
a quantity of water is heated from 25.0 C to 36.4 C by absorbing 325 joules. what is the mass of the water?
What would be the pH if the same amount of HCl were added to the 125 mL of pure water? The Ka of acetic acid is 1.8*10^-5
When 27 mL of a 405 mL stock solution containing 2.3 M AlCl3 is diluted to 81 mL, what is the concentration of Al3+ in the new solution?
An uncharacterized compound Z is thought to have an amino group with a pKa of 10.0 and another ionizable group with a pKa between 4 and 7.
Calculate the pressure of dry oxygen. If the total pressure of oxygen generated over water is measured to be 638 torr and the temperature is 22 degress celcius?
Using pH-based arguments only, why do scientists use phosphate-based bufers instead of buffers made using acetic acid
What volume (V) of 1.80 M NaOH solution must you add in order to prepare an acetate buffer of pH = 4.87? (The pKa of acetic acid is 4.76.)
Calculate ΔHo fusion and ΔSo fusion for the substance If the pressure is increased to 120 bar, the melting temperature increases to 375.88 K. ?
A 60.00 mL sample of 0.075 M benzoic acid was titrated using 0.050 M KOH. What will be the pH at the equivalence point in the titration.
If the reaction is allowed to proceed until all substances have reached their equilibrium concentrations, determine delta G for the reaction.
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