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The molar heat capacity at constant volume of a metal at low temperatures varies with the temperature according to the equationCV/n = (124.8/?)3 T3 + γT,
where Θ is the Debye temperature, ϒ,is a constant, and Cv/n is measured in units of mJ jmol· K. The first term on the left is the contribution attributable to lattice vibrations and the second term is due to the contribution of free electrons. For copper, Θ is 343 K and, is 0.688 m.l/mol K2. How much heat per mole is transferred during a process in which the temperature changes from 2 to 3 K?
Problem- Identify the neutral element represented by this excited-state electron configuration, then write the ground-state electron configuration for that element.
In Europe, gasoline efficiency is measured in km/L. If your car's gas mileage is 21.0 mi/gal, how many liters of gasoline would you need to buy to complete a 142 km trip in Europe?
What was the concentration of the unknown HClO4 solution? The neutralization reaction is: HClO4(aq)+NaOH(aq)==>H2O(l)+NaClO4(aq)
Problem- 1CaC 2 (s)+2H 2 O(l)?1C 2 H 2 (g)+1Ca(OH) 2 (s) If the acetylene were burned to form water and carbon dioxide, how many kilojoules of energy would be produced from the complete reaction of 23g of calcium carbide
What are the spectator ions in the solution after completely precipitating an insoluble carbonate compound when mixing BaCl2(aq)
what is the percent composition of a mixture of s--2-butanolmicrod25 13.52ordm and r---2-butanolmicrod25 -13.52ordm
How much energy (in joules) is required to convert a 25.0 g sample of water (initially at 34.0 oC) to steam at 112 oC? (use these values for heat of phase changes and specific heats
Electrolysis of molten MgCl2 is the final production step in the isolation of magnesium from seawater by the Dow process.
What is the maximum number of electrons in an atom that can have the following sets of quantum numbers
Two 20.0-g ice cubes at -18.0 °C are placed into 295 g of water at 25.0 °C. Assuming no energy is transferred to or from the surroundings, calculate the final temperature of the water after all the ice melts.
how many grams of carbon dioxide can form when a mixture of 6.00 g ethylene c2h4 and 2.50 g of oxygen is ignited
Prepare a 2-3 page paper using APA format discussing how the Coase Theorem provides an alternative to government regulation and provision of services. How is the definition of private property a critical part of this analysis? The paper should reflec..
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