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Using given data, calculate the change in Gibbs free energy for each of the following reactions. In each case indicate whether the reaction is spontaneous at 298 K under standard conditions.
2Ag(s) + Cl2(g) --> 2AgCl(s) Gibbs free energy for AgCl (s) is -109.70 kJ/mol
When using paper chromatography to separate components of a mixture, the manual suggests that water is wicked through the paper.
Al(OH)3 + 3HCl ---> AlCl3 + 3H2O Determine the moles of acid neutralized if a tablet contains 0.200 mol Al(OH)3
Calculate the concentration of the acetate ion (mol/L) in a solution prepared by dissolving 1.00×10-2 mol of HCl(g) in 1.00 L of 9.00×10-1 M aqueous acetic acid. Equilibrium constants may be found in an appendix to your text.
How many joules are required to raise the temperature of 80g of iron from 20 degrees celsius to 70 degrees celsius?
Na2SO4 is dissolved in water to make 450.mL of a 0.250 M solution. How many mles of Na2SO4 are needed
If 20.0L of neon gas exerts a pressure of 125 psi at 423 k , what is the number of moles of gas?
What is the osmotic pressure of a solution made from dissolving 85.0g of glucose in 800ml of water at 19.0 C.
a particle moving 30,816 km/hr has a wavelength of 725 nm. What is the mass of the particle?
What is the recommended daily allowance (RDA) of calcium, in mg, assuming a 2000 calorie diet for a 25 year old adult? A student carries out part 1 of this experiment and finds the equation for his/her calibration curve to be
the pressure of a sample of helium in a 1.00-liter container is .988 atm. What is the new pressure if the sample is placed in a 2.00 L container?
Solutions of AgNO3 and KCl are combined and 0.683 g of a precipitate are formed. What is the precipitate and how many moles were formed.
What mass of natural gas {rm{(CH}}_4 ) must you burn to emit 268 kJ of heat?
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