What is the final equilibrium temperature of the system
If a chalice made of pure gold weighing 0.6 kg and initially at 25 C is filled with 150.0 mL of water at 83 C, what is the final equilibrium temperature of the system? The heat capacities of water and gold are 75.29 and 25.42 J/mol/K, respectively.
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A sample of liquid mercury (mass 57 g and temperature 181.0 C) is poured into 80 g of H2O at 15 C. Calculate the final temperature of the mixture, assuming no heat is lost. The heat capacities of Hg and H2O are 27.98 and 75.33 J/mol/K, respectively.
Use Present Value Table 1 in the Appendix to determine the maximum amount of cash the dean should be willing to pay for a copy machine. (Round "PV Factor" to 6 decimal places, intermediate calculations and final answer to 2 decimal places.
Keillor Company's inventory of $1,100,000 at December 31, 2010, was based on a physical count of goods priced at cost and before any year-end adjustments relating to the following items.
If a chalice made of pure gold weighing 0.6 kg and initially at 25 C is filled with 150.0 mL of water at 83 C, what is the final equilibrium temperature of the system? The heat capacities of water and gold are 75.29 and 25.42 J/mol/K, respectively
In a hydrogen atom, the 2s and the 2p orbitals have the same energy. In a nitrogen atom, the energies of 2s and the 2p orbitals are different. Explane why.
If clean magnesium metal burned in air it would form magnesium oxide. Suppose the magnesium had a this oxide coating. How would this affect moles of oxygen per mole of magnesium?
Calculate the vapor pressure at 40 °C of a solution that has 17.8 g urea, CO(NH2)2, dissolved in 300.0 mL water. The vapor pressure of pure water at 40 °C is 55.3 mmHg.
Question: A gas occupying a volume of 847 mL at a pressure of 0.970 atm is allowed to expand at constant temperature until its pressure reaches 0.541 atm. What is its final volume?
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