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One mole of Nitrogen gas (N2) is confined within a cylinder at the temperature of twenty five degree Celsius and heated to the temperature of 275 degree Celsius at a constant pressure of 0.975 atm. compute the work done?
The enthalpy change for the reaction below at 25oC is -1,850 kJ (per mole of C9H20). What is the internal energy change for the reaction at 25oC
A critical reaction in the production of energy to do work or drive chemical in biological systems is the hydrolysis of adenosine triphosphate, ATP to adenosine diphosphate ADP as described by ATP
Above what Fe2+ concentration will Fe(OH)2 precipitate from a buffer solution that has a pH of 9.99? The Ksp of Fe(OH)2
If 69.5 kJ of heat is applied to a 1034 g block of metal, the temperature of the metal increases by 11.4°C. Calculate the specific heat capacity of the metal in J/g°C.
Calculate the pH during the titration of 30.00 ml of 0.1000 M KOH with 0.1000 M HBr solution after the following additions of acid.
An atomic emission spectrum of hydrogen shows the following three wavelengths: 1875nm, 1282nm, and 1093nm. Assign these wavelengths to transitions in the hydrogen atom.
You have 250.0 ml of 4.00 M sugar solution. You add 217.3 ml of water to this solution. Determine the concentration of the sugar solution after the water has been added
A layer of peat beneath the glacial sediments of the last ice age has a carbon-14/carbon-12 ratio that is 22.0% of that found in living organisms. How long ago was this ice age
Liquid sodium is being considered as an engine coolant. How many grams of liquid sodium (minimum) are needed to absorb 4.00 MJ of energy (in the form of heat) if the temperature of the sodium is not to increase by more than 10.0 °C? Use CP = 30.8 ..
What are the odds of finding a particle in a one dimensional box between 0 and L/2, where L is the length of the box. Assume that the particle is in the second to lowest energy level (n = 2).
What statement below best describes the graph representing the integrated 1st order rate law plot of ln[a] vs t having a straight line negative slope equal to -k
An 18.0-g sample of magnesium is completely burned in the presence of air to form magnesium oxide. What is the mass of the magnesium oxide obtained?
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