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A sample of argon, Ar, contains 5.97 moles of argon atoms. Calculate the mass of Ar in the sample in grams?
Assuming that none of the intermediates have appreciable concentrations, what are the values of C61206, O2, CO2, and H20, given that the overall rate is 1X10^-4 mol/L*S. Assume there is an excess of oxygen in the system.
how many grams of Mg(OH)2 will be needed to neutralize 25ml of stomach acid if stomach acid is .10M HCL
the reaction rate does not change when [B] increases from 1 M to 2 M. Which of the following is the correct rate law for the reaction?
What is the free-energy cost of pumping Ca2+ out of a cell when the cytoplasmic concentration is 0.4 micromolar, and the extracellular concentration is 1.5 micromolar
Element 107 was made by bombarding Bismuth-209 with Chromium-54. One product is a neutron, what is the balanced equation?
Problem- For each of the following half cells, compare the electrode potentials calculated from (i) concentrations, and (ii) activities
A stainless steel spoon weighs 25.2 g and is at a temperature of 18.5 oC. It is immersed in 81.7 mL of hot coffee (T = 84.0 oC) in a Thermos flask.
What is the molecular equation, total ionic equation, and net ionic equation for Cu(NO3)2 and NaOH
A 5.00 g sample of KBr at 25.0°C dissolves in 25.0 mL of water also at 25.0°C. The final equilibrium temperature of the resulting solution is 18.1°C.
Problem- Assume that the Pit down forger has also used group 1 and group 2 cations to stain the bones. How could this potentially affect your results?
The rare earth metal terbium is produced from terbium (III) flouride and calcium metal by a single replacement reaction. Given 27.5 g of terbium (III) flouride and 6.96 g of calcium, what is the theoretical yield (in grams) of terbium
Energy comes in many forms. In addition to kinetic and potential energy, what five other forms of energy are listed in the chapter?
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