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A 1.4- container of liquid nitrogen is kept in a closet measuring 1.2 by 1.2 by 1.9 . Assuming that the container is completely full, that the temperature is 29.2, and that the atmospheric pressure is 1.2 , calculate the percent (by volume) of air that would be displaced if all of the liquid nitrogen evaporated. (Liquid nitrogen has a density of 0.807 .)
from the plots of the boiling point versus the volume of distillate in either of the fractional distillations of the ethanol-water mixture,what conclusion can you draw about the homogeneity of the distillate?
List the following in decreasing order of strength (from strongest to weakest): hypochlorous acid, choric acid, perchloric acid, chlorous acid. Explain what trend in these oxoacids is making them progressively more acidic.
Calculate the molar concentration of CO2 for a sample that has a pH of 6.220 and a HCO -3 concentration of 0.0020 M. For carbonic acid pKa1=6.33 and pKa2=10.35.
What mass of helium gas is needed to pressurize a 112.0 L tank to 262 atm at 25°C?
the amount of energy necessary to initiate and sustain fusion on Earth is greater than the amount of energy produced in the fusion process. c. We cannot generate the magnetic fields necessary to initiate fusion events. d. It is too expensive to ge..
How many mL of 0.220 M of NaOH are needed to completely hydrolyze 2.40 grams of propyl acetate.
What is the quantity of Fe2O3 that will be produced if 5.00g of FeS2 is reacted with 11.0g of oxygen according to the following reaction
what is the broglie wavelength of an electron moving at one-tenth the speed of light. mass of the electron 9.109
determine the numbers of oxygen molecules are required for each molecule of c6h12o6 glucose that is oxidized if glucose
Iron and oxygen react to form iron(III) oxide; 4Fe(s)+3O2(g)-->2Fe2O3(s). Determine the limiting reactant in each of the following mixtures of reactants: a) 2.0 mol of Fe and 6.0 mol of O2. b) 5.0 mol of Fe and 4.0 mol of O2. c) 16.0 mol of Fe and..
A gas mixture composed of helium and argon has density of 0.670 g/L at 755 mmHg and 298K. What is the composition of the mixture by mass
Sulfur dioxide gas reacts with oxygen to produce gaseous sulfur dioxide. when the pressure on the reaction at equilibrium is lowered, the equilibrium will
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