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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?
what purpose does the addition of bromine serve in the procedure described for the isomerization of dimethyl maleate
Phosphorus is combined with chlorine to give PClz a gaseous compound .calculate the value of z If you start with 2.097g of P and isolate 9.298g of PCLz .
Problem Draw the structure of the product that is formed when the Alkenes- Oxidative Cleavage of cyclohexene is treated with the following reagents-
Tris base (pKa=8.1) was dissolved in .5L of water to give the final concentration of 1 M. How much does the pH change after addition of 1mL of 10N HCL
Calculate the binding energy per nucleon (in MeV) for P-32 (atomic mass = 31.9739 u). mass H = 1.007825 u and mass n = 1.008665 u.
Construct a three-step synthesis of 1-bromopropane from propane by dragging the appropriate formulas into the bins. Note that each bin will hold only one item, and not all of the given reagents or structures will be used.
A. tetrahedral B. square planar C. square pyramidal D. trigonal bipyramidal E.octahedral F. T-shaped G. see-saw, butterfly, or unsymmetrical tetrahedron
Determine the subsequent reaction at equilibrium. Explain what effect will increasing the temperature have on the system
It required 72 s for 1.0 L of the gas to effuse. Under identical experimental conditions it required 32 s for 1.0 L of O2 gas to effuse. Calculate the molar mass of the unknown gas.
Calculate the pH of a solution prepared by mixing 20.5mL of a 0.500M sodium fluoride solution with 32.5mL of a 0.750M hydrofluoric acid solution.
A volume of 25.0mL of 1.00M C6H5COOH is titrated against a 0.100 M NaOH solution is added to it from a burette. Compute the pH values of the solution after
The alpha-particles ionize molecules in the air, allowing it to conduct an electric current. When smoke particles enter, the conductivity of the air changes and the alarm buzzes. (a) Write the equation for the decay of (mass number 241, protons 95..
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