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Consider the expansion of an ideal gas against the atmosphere. Briefly explain each of your answers below. a) Is ΔGo zero, positive, or negative? b) Is ΔG zero, positive, or negative? c) Is the work zero, positive, or negative? d) If the expansion is done so that the temperature doesn't change, is the energy transferred as heat (q) zero, positive, or negative?
The osmotic pressure of blood plasma is 28 mm Hg at body temperature at body temperature, 303 K. The quantity of plasma proteins present has been measured to be about 60 g/L.
using a beaker that contains 100 ml of h2o thermally insulated from its surroundings one mol of solid cacl2 is mixed
if the heat of combustion for a specific compound is -1180.0kjmol and its molar mass is 26.93gmol how many grams of
What is the molecular orbital theory. How does it differ from valence bond theory
For the equalibrium PCl5(g) PCl3(g) + Cl2(g), Kc= 2.0 x 10^1 at240 celcius. If pure PCl5 is placed in a 1.00-l container and allowed to come to equalibrium, and the equalibrium concentration of PCl3(g) is 0.23 M, what is the equalibrium concentr..
a metal bar 122 mm long and having a square cross section with an edge length of 17 mm is pulled in tension with a load
A solution of NH3 was prepared by diluting 8.29 mL of 27.62 wt% NH3 [density=0.89 g/mL] up to 564.0 mL. The molecular mass of NH3 is 17.0305 g/mol. Find the concentration of NH3 in M.
Write the structure for the pyrrolidine enamine and for the imine of cyclohexane. Write a balanced equation for the acid-catalyzed hydrolysis of each of these compounds.
The following thermochemical data are for 25oC. H0f Cp H2O(l) - 286 kJ mole-1 + 75.3 joule mole-1 K-1 H+(aq) 0 0 OH-(aq) - 230 kJ mole-1 + 148 joule mole-1 K-1 For the self-ionization of water, H2O (l) H+ (aq) + OH-- (aq) What is the value of ?H..
Determine the boiling point of a solution that contains 78.8g of napthalene c10h8 molar mass 128.16 g/mol dissolve in 722 mL of benzene (d = 0.877 g/mol. pure benzene has a boiling point of 80.1*C and a boiling point elevation constant of 2.53*C/m
Problem- What is the molar solubility of Ni(OH)2 (Ksp = 2.0 x 10-15) in an aqueous solution where the hydroxide ion concentration is 0.25 M at 25°C
How many liters of hydrogen gas are formed from the complete reaction of 1.06mol of C? Assume that the hydrogen gas is collected at a pressure of 1.0 atm and temperature of 325K? Using C(s)+H2O(g)=CO(g)+H2(g)
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