If 9 g of kr initially at 02 bar and 15 l is brought to 049
If 9 g of Kr initially at 0.2 bar and 15 L is brought to 0.49 bar and 5L, what is the overall change in enthalpy of this process? Assume that Kr is an ideal gas.
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Find the book value at the end of 2 years using straight-line depreciation, the book value at the end of 2 years using sum of the years digits depreciation, and the book value at the end of 2 years using modified accelerated cost recovery system d
Compute the change in temperature when 2 g of sodium chloride is dissolved in 270.0 mL of water initially at 25 C. The heat capacity of water is 4.184 J/mL/K. Neglect the heat capacity of the NaCl.
A 85.6-kg wrecking ball hangs from a uniform heavy-duty chain having a mass of 27.0kg, Find the maximum tension in the chain
if the economy is at point c, what is the cost of one more automobiles of one more forklifts which characteristics of the production curve reflects the law of increasing opportunity costs: its shape or its length
A spring gun is used to launch a metal ball horizontally from a height h1=75.0cm above the floor, What is the height h2 of this taller table
suppose that businesses buy total of $ 130 billion of the four resources ( labor,land,capital, and entrepreneurial ability) from households. If households receive $ 72 billion in wages, $ 16 billion in rent, and $ 26 billion in interest
The enthalpies of formation of oxalic acid in the solid and aqueous phases are -826.8 and -818.8 kJ/mol, respectively. The heat capacity of water is 4.184 J/g*K. Ignore the heat capacity of oxalic acid.
If the enthalpy of combustion of the compound is -2978.0 kJ/mol and the temperature of the calorimeter rises from 25.44 C to 27.7 C, how many moles of the compound were oxidized?
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