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One mole of nitrogen gas confined within a cylinder by a piston is heated from 0 degrees C to 856 degrees C at atm.
1. Calculate the work of expansion of the gas in joules. Assume all energy is used to do work.
2. What would the temp change if the gas were heated with the same amount of energy in a container of fixed volume? (assume the specific heat capacity of N2 is 1 J/gK)
The atomic radius of O is smaller than the atomic radius of Se. What is the effective nuclear charge for the valence electron(s) in O and Se
If a 220mg piece of gold (density =19.32 ) is hammered into a sheet measuring 2.11.0 , what is the average thickness of the sheet in meters.
A gas at 89.0°C occupies a volume of 0.67 L. At what Celsius temperature will the volume increase to 1.12 L
What mass of this substance must evaporate in order to freeze 170 of water initially at 23? (The heat of fusion of water is 334 the specific heat of water is 4.18 .
The final temperature of the system was found to be 28.4 C. Calculate the specific heat of the metal. The heat capacity of the calorimeter is 14.4J/C.
Write the net ionic equation for this reaction. (Include states-of-matter under the given conditions in your answer. Use the lowest possible whole number coefficients.)
calculate the approximate concentration of the solution in mol/kg and determine the volume change of the ballon when it ascends from 1 atm pressure to 240 torr pressure ?
Give the balanced thermochemical equation for the following reactions. show the correct physical state in each equation.
The dimensions of aluminum foil in a box for sale in supermarks are 66 2/3 tards by 12 inches. the mass of the foil is 0.83kg. If its density is 2.70g/cm^3
Draw the accepted mechanism for each reaction and illustrate how each stereoisomer is formed in the reaction.
I need help in describing the adverse effects caused by exposure to radiation. Include some specific exposure levels associated with these significant health effects.
what polymer is made from the monomer vinylidene chloride
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