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An isolated quantity of an ideal gas at 294.2 K has a volume of 20.46 L at a pressure of 1.18 atm. What is the pressure of this gas sample when the volume is multiplied by four and the absolute temperature is divided by five?
Understand how the ability to form hydrogen bonds gives water cohesiveness and how this property is exploited by living things.
If the coal is burned in a power plant that uses 1800 tons of coal per day, what mass of calcium oxide is required daily to eliminate the sulfur dioxide?
Determine the standard reaction enthalpy for the partial combustion of methane to carbon monoxide according to the following reaction:
A closed container holds 3.14 mol of C(s) and 12.3 mol of O2(g) at 4.94 atm and -4°C. After the reaction has been run to completion (the only product is CO2(g)).
Why is mercury being replaced by other liquids such as colored alcohol as the temperature-sensing fluid
Write the electron configuration of the alkali metal (M) that reacts with oxygen to yield an oxide, M2O, if 3.54 g of the metal reacts
If the Km of the above enzyme is 12 mM, calculate the substrate concentration needed to achieve 40% of maximal velocity. Then what fraction of active sites are filled at 40% maximal velocity
How many moles of Na2SO3 were added to the calorimeter cup if 40.0mL 0.50 M NaOCl and 60.0mL 0.50 M Na2SO3 were combined?
1 the four common isotopes of sulfur have atomic masses of 32 33 34 and 35 amu respectively. draw valence diagrams of
Why is the peroxide anion such a strong oxidizing agent and describe qualitatively how the conclusions of Bohr and Rydberg are essentially the same?
A 732g sample of water was cooled from 60.0°C to 25.3°C. How much heat was lost? Would this process be considered endothermic or ectodermic if the water is the system
What is the freezing point of a solution of 224 g of ethylene glycol (C2H6O2) dissolved in 1000 g of water?
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