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The value of q is always equal to the value of w for a reversible reaction The energy change of the universe for any spontaneous process is always positive The equilibrium constant is always equal to one for any system at equilibrium The free energy change for any spontaneous process is always positive None of these statements are true The entropy change of the universe for any spontaneous process is always positive The equilibrium constant is always greater than one for an extensive reaction
50 mL of 0.1200 M hydroxyacetic acid (pKa = 3.83) are titrated with 0.1280 M KOH. What is the pH after the addition of 48.6 mL of the base
A certain minimum energy(E min) is required to eject an electron from a photosensitive surface. Any energy obsorbed beyond this minimum gives kinetic energy to the ejected electron.
Calculate the pH when 8.14 g of NaClO is added to 445.5 mL of 0.50 M HClO. Ignore any changes in volume.
Rank the following solvents in order of increasing polarity: Acetone, Petroleum ether, methanol, ethanol, dichloromethane
When two atoms of 2H (deuterium) are fused to form one atom of 4He (helium), the total energy evolved is 3.83 × 10-12 joules. What is the total change in mass
With the cobalt ion equilibrium- CoCl4^2- +6 H2O -> CO(H2O)6^2+ +4Cl-, what is the effect on the [CO(H2O)6^]2+ molarity when chloride is added. which species is of the cobalt complex will increase in concentration? what else increases
Calculate the percentage of chlorine in a sodium hypochlorite powder (disinfectant for pools) if 5.0 kg of powder gives off 2.3 kg of chlorine.
Gallium arsenide is a polymeric material, but its mass spectrum shows fragments with formulas GaAs and Ga2As2. What would the distribution of peaks look like for these two fragments?
If the laser is pointed toward a pinhole with a diameter of 1.0 mm, how many photons will travel through the pinhole per second? Assume that the light intensity is equally distributed throughout the entire cross-sectional area of the beam. (1 W = ..
Discuss the typical features of a calomel electrode and a silver - silver chloride electrode. What are their standard half cell potentials?
calculate the mass loss on heating 1.200 g of a NaHCO3-NaCl mixture containing 65% NaCl
How much energy is released per Kg of Dilithium formed? Mass of one atom of 6 Li is 6.015121 amu. Do not know where to start.
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