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Twenty-five milliliters of liquid nitrogen (density = 0.807g/mL ) is poured into a cylindrical container with a radius of 11.9cm and a length of 17.2cm . The container initially contains only air at a pressure of 760.0mmHG (atmospheric pressure) and a temperature of 308K.
Calculate the empirical formula and the molar formula.
What must be the initial temperature of 22g of steam that is mixed with 90g of water at 68 degree celcius in an adiabatic calorimeter with a heat capacity of zero and that produces
Write the net ionic equation for this reaction. (Include states-of-matter under the given conditions in your answer. Use the lowest possible whole number coefficients.)
How much heat is required to warm 227 g of ice from -44.5°C to 0.0°C, melt the ice, warm the water from 0.0°C to 100.0°C, boil the water, and heat the steam to 173.0°C.
adding sodium hydroxyde in the purification of a solid by recrystallization experiment?
sodium hypiodite is disolved in water to make 1.25L of solution. the solution pH is 11.32. What is the Kb value of the hypoiodite ion?
Calculate the concentration of each ion present in a solution that result from mixing 50 mL of a .20 M NaCLO3 solution with 25 ml of a .20 M Na2SO4. ASsume that the volumes are additive.
Like many ATP-dependant enzymes, the ATP synthase can be "run in reverse" by providing the enzyme with ATP. If the ATP synthase was reversed while inside the mitochondrion, which of the following would occur?
Calculate the total volume of gas (at 124C and 758mmHg) produced by the complete decomposition of 1.45 kg of ammonium nitrate.
A copper wire (density = 8.96 g/cm3) has a diameter of 0.18 mm. If a sample of this copper wire has a mass of 33 g, how long is the wire?
What is the specific heat for the metal? Express your answer with the appropriate units. B) The molar heat capacity of silver is 25.35 J/mol
write the overall equation for the reaction b. Give a detailed reaction mechanism for the reaction showing all steps and intermediates
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