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Is the dissolution of borax in water a temperature dependent reaction or is it spontaneous at all temperatures at which water is liquid? Briefly explain.
Which of the following set of quantum numbers (ordered n, l, ml, me ) are possible for an electron in an atom
A sample of air contains 78.08% nitrogen, 20.94% oxygen, 0.05% carbon dioxide, and 0.930% argon by volume. How many molecules of each gas are present in 1.00 L of the sample at 31 degrees C and 1.00 atm?
Find delta heat formation of butane. C4H10 + 13/2 O2 ---> 4 CO2 + 5 H2O. Delta H comb= -2881.9 Delta Heat formation of CO2 = -393.5kJ/mol Delta Heat formation of H2O = -241.8kJ/mol What is the kJ
Express b in terms of the mass m of each atom and the temperature T of the gas( and other constants), given that the Boltsmann factor in P(cx) pertains to the x- component of the kinetic energy of each atom in the gas.
Classify the reaction type : combination , combustion, decomposition , single displacement, or double-displacement
a mixture containing 80.0 nm iodoacetone designated a and 64.0 nmp-dichlorobenzene designated b gave the relative
What is the initial concentration of the Fe2+(aq) solution?
C2H4(g) + H2O(g) C2H5OH(g) 1 mol C2H4, 1 mol H2O at 355K and 1 bar. Using equilibrium constant approach, calculate the equilibrium extent of reaction and the mole fractions
sample of unknown HCL solution reacts completely with Na2CO3 to form 15.1g CO2, What was the concentration of the HCL solution?
a mixture contains two compounds x and y. both compounds x y have a solubility 1 g100 ml of solvent at the temperature
What is the experimental yield (in g of precipitate) when 18.6 mL of a 0.634 M solution of barium hydroxide is combined with 19.5 mL of a 0.558 M solution of aluminum nitrate at a 85.4% yield
Calculate the work if the process is carried out reversibly and isothermally. Calculate the work for question 1 if the process is carried out irreversibly.
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