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0.00002 milligram
the heat capacity of solid lead oxide pbo is given bycp jmol k 44.35 1.67x10-3tcalculate the change in enthalpy of pbo
Carbon-carbon single bonds in organic molecules have energies about 350 kj/mol. What is the corresponding wavelength.
carbon monoxide and water vapor each at 200. torr were introduced into a 250. ml container. when the mixture reached
Problem- Show the anode and cathode reactions and a simple diagram for the following batteries: Dry cell, alkaline, silver button, lead-acid, nickel-metal hydride, and lithium-ion.
Reaction/exchange rates of CO2 and O2 in the alveoli must be included. Given that the inhalation and exhalation times are different, calculate the rate of important gases during the inhalation and exhalation process.
a mixture of helium and neon weighing 5.50g occupies a volume of 6.80 l at 300 k and 1.00 atm. calculate the
A gas mixture with a total pressure of 765 contains each of the following gases at the indicated partial pressures: , 118 ; , 229 ; and , 187 . The mixture also contains helium gas. What is the partial pressure of helium gas.
A packet of the same soup sold in the U.S. would have the same nutritional information in kilocalories per cup. There are two cups in a pint. How many nutritional calories would be quoted per cup of prepared soup?
An oxygen tank contains oxygen at a pressure of 70 kPa. When the pressure drops to 36 kPa, the temperature increases from 300 K to 350 K. If the initial volume is 9 L, what is the final volume?
Problem- Calculate the pH of a solution prepared by dissolving 0.270 mol of formic acid (HCO2H) and 0.230 mol of sodium formate (NCO2H) in water sufficient to yield 1.00L of solution. The Ka of formic acid is 1.77x10^-4
In certain electrolysis experiment involving Al3+ ions, 57.0g of Al is recovered when a current of 0.352 A is used
How many electrons are present in the outermost shell. What type of atom or molecule will be fluorine ion attract. What type of bond would be formed as a result of this association
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