Use the electron configuration of the valence electrons
The electron affinity of each group 5A elements is more positive than that of each corresponding group 4A element. Use the electron configuration of the valence electrons for these columns to suggest a reason for this behavior.
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When a 50-gram piece of aluminum at 100 degrees celsius is placed in water, it loses 735 calories of heat while cooling to 30 degrees celsius. Calculate the specific heat capacity of the aluminum.
Calculate the effect on the chemical potentials of an increase in pressure of 1.0 bar on the liquid and solid phases of carbon dioxide which are in equilibrium. Relevant densities are 2.35 g/cm^3 and 2.50 g/cm^3 respectively.
The experimental data for the process indicate that PV1.45 = constant. What is the work performed by the expanding gas?
Find the work done if the system is at the initial temperature of 75oF and the pressure between the final state is (a) constant, (b) inversely proportional to volume and (c) given by the ideal gas relationship (PV=mRT).
The number of cases of tetanus reported in the U.S. during a single month in 1989 has a poisson distribution with a parameter of lambda= 4.5. 1. What is the probability that exactly one case of tetanus will be reported during a given month?
A neodymium-glass laser emits short pulses of high-intensity electromagnetic waves. The electric field of such a wave has an rms value of Erms = 2.8 x 109 N/C. Find the average power of each pulse that passes through a 9.3 x 10-5-m2 surface that is
The wall of a flask is periodically rinsed with the previously boiled, deionized water from the wash bottle. How does this titrimetric technique affect the reported percent acetic acid in the vinegar? Explain.
One way to judge the accuracy of your calorimeter is to compare the results for a known system. Examine you % error of specific heat of Aluminum. What does this indicate about the accuracy of your caloriemeter?
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