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Does the effective buffer range of a buffer solution depend on the concentrations of the conjugate acid and base pairs in the buffer solution?
If the partial pressure of the cyclopropane in the mixture is 330 mm Hg and the partial pressure of the oxygen is 1.0 atm, what is the total pressure of the mixture in torr
Experimental solid-oxide fuel cells that use butane (C4H10) as the fuel have been reported recently. These cells contain composite metal/metal oxide electrodes and a solid metal oxide electrolyte. Consider the following unbalanced half-reactions:
Many cigarette lighters contain liquid butane. Using standard enthalpies of formation, calculate the quantity of heat produced when 5.00 g of butane is completely combusted in air under standard conditions.
Of the four biological classes of compounds that we've studied, in which one is hydrogen bonding not important
How many grams of copper are in the necklace? 3. If 18-karat gold has a density of 15.5 , what is the volume in cubic centimeters?
This phenomenon has some very practical applications in the power plants, particularly nuclear power plants. How does this help the overall efficiency of a nuclear power plant?
What symbol is used in a chemical equation to represent the following phrases? Select the symbol in blue and drag it into the appropriate bin
An unknown metal X with a mass of 28 grams absorbs 58 J of heat. calculate the heat capacity if Its temperature raises from 31.1 °C to 39.9 °C.
The standard free energy change for the hydrolysis of ATP is -30.5 kJ. In a particular cell, the concentrations of ATP, ADP, and Pi are 2.8×10-3 M, 1.1×10-3 M, and 4.7×10-3 M, respectively. Calculate the free energy change for the hydrolysis of und..
The Cl2 removed occupies a 10.0 L container at .500 atm at 25C. How many g of Ne are present in the original container?
if a gas 25.0 c occies 3.60 liters at pressure of 1.00 atm, what will be its volume at a pressure of 2.50 atm
A 250 gram sample of water at the boiling point had 45.0 kJ of heat added. How many grams of water were vaporized? Heat of vaporization for water is 40.6 kJ/mole
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