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Sketch the phase diagram of the system NH3/N2H4 given that the two substances do not form a compound with each other, that NH3 freezes at -78°C and N2H4 freezes at +2°C, and that a eutectic is formed when the mole fraction of NH is 0.07 and that the eutectic melts at -80°C.
In an experiment, 0.32 mol H2 and 0.32 mol I2 are mixed in a 1.00-L container, and the reaction forms HI. If Kc = 49. for this reaction, what is the equilibrium concentration of HI?I2(g) + H2(g) 2HI(g)
Assuming the final concentration of chloride anion after the addition of hcl (precipitation step) was 0.1M what is the remaining concentration of Ag in the solution
Calculate the standard-state entropy for the following reaction: 1 \rm CH_4(g) + 2 \rm O_2(g) \longrightarrow 1 \rm CO_2(g) + 2 \rm H_2O(l) (If applicable, coefficients of one have been included for clarity.)
For a gene suspected of causing hypertension in humans, you observe the following genotype frequencies: A1A1 0.574; A1A2 0.339; A2A2 0.087. Is this gene in Hardy-Weinberg equilibrium
Showing only Valence electrons, write an equation for the reaction that occurs between sodium, Na
What is the strongest attractive force that must be overcome in order to do the following: a) melt pure solid phosphorus pentachloride b) boil pure liquid selenium tetrafluoride
You transfer a gas at 25oC from a volume of 2.49 L and 0.950 atm to a vessel at 32oC which has a volume of 8.75 L. What is the new pressure of the gas
A stock solution of NaCl is made taking 150.2g in enough water to make 200.0ml. A 10.00 ml sample of this stock solution is diluted to 250.0 ml.
Solid sodium chlorate is heated to form solid sodium chloride and oxygen gas; c) Butane gas (C4H10) react with oxgen gas to form two gaseous products, carbon dioxide and water.
What is the expected freezing point of a 0.50 m solution of Li2SO4 in water? Kf for water is 1.86°C/m.
The R1 value of uo2 in the solvent system used in this module is 0.68. explain which of the other cation tests used in this expirment it would interfere with, what alternate tesr reaget you would therefore use to identify that other cation and whi..
Which substance below would contain a nitrogen atom with the highest oxidation number of all those shown? a. NO2 b. N2 c. NH4^1+ d. NO3^1- e. NH3
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