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Consider the isothermal expansion of 4.50 mol of an ideal gas at 450 K from an initial pressure of 12.0 bar to a final pressure of 2.75 bar. Describe the process that will result in the greatest amount of work being done by the system and calculate work Describe the process that will result in the greatest amount of work done by the system with a constant external pressure and calculate w. What is the least amount of work done with no restrictions on the external pressure?
a premature infant is born. she weighs less than normal. her mother has been on a near starvation diet for the last month. the infant's blood glucose at birth and 5 hours later is very low. the problem may have been
What is the lewis structure for HIO3, including lone pairs. Assign formal charges. If a more equally stable resonance exists, draw it(them).
write the balanced equation for the ionization of the weak base pyridine c5h5n in water h2o. phases such as aq or l are
For the decay of 226 Ac by all processes combined, the first-order rate constant is k = 0.556 d^- 1. How many days are required for 76.0% of a sample of 226 Ac to decay? equation to use is ln(n/no)=-kt
A certain reaction, a+b=c is the first order with respect to each reactant, with k=1.0x10-2l.mol-1s-1. Calculate the concentration of A remaining after 100s if the initial concentration
Find the mass of urea (CH4N2O) needed to prepare 50.8 g of a solution in water in which the mole fraction of urea is 7.76×10-2.
A solution contains 0.635g NaOH in 236 ml solution. What is the [OH-]?
If 125 calories of heat is applied to a 60.0 grams piece of copper at 21.0 degrees Celsius, what will the final temperature be? The specific heat of copper is 0.0920 calories per grams times Celsius.
Enzyme X is a highly pigmented protein that imparts the characteristic color to certain blue-green algae. It also facilitates a reaction necessary to the survival of this species; we can follow the kinetics of this reaction by measuring the conver..
a gas has a volume of 5.80 l at o degrees c. what final temperature in degrees celsius is needed to cause the volume of
The equilibrium constant for the interconversion of PCl5 and PCl3 is 0.0121: PCl5 = PCl3+Cl2. A vessel is charged with 0.123 mol PCl5. At equilibrium what is the concentration of PCl3
Which of the following condensed notations correctly represents oleic acid
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