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The Henry's law constant for O2 in water at 25 Celsius is given in Table 14.2. Which of the following is a reasonable constant when the temperature is 50 Celsius? Explain the reason for your choice. (In table 14.2, Henry's law constant at 25 Celsius for O2 is 1.3 x 10^-3 mol/kg bar).^
A. 6.7 x 10^-4 mol/kg barB. 2.6 x 10^-3 mol/kg barc. 1.3 x 10^-3 mol/kg barD. 6.4 x 10^-2 mol/kg bar
A solution of ammonia and water contains 2.70×1025 water molecules and 8.50×1024 ammonia molecules. How many total hydrogen atoms are in this solution
How many grams of ethylene glycol would be needed to prevent 4kg of water from freezing above -5.0 degress C
For 2.25 moles of an ideal gas, Pext=P=200x10^3 Pa. The temperature is changed from 122 C to 28.5C and Cv=3R/2. Calculate the q, w, delta U and delta H for an isochloric process.
helium atoms do not combine to form He2 molecules, yet He atoms do attract one another weakly through? (a). dipole-dipole forces
Write and balance the equation for the complete combustion of ethane, C2H6. You do not need to include any phase symbols
What is the molar mass of a compound if one mole of the compound contains two moles of oxygen atoms, 6.022 x 10^24 hydrogen atoms, and 60.05 grams of carbon?
A solution contains 3.60 mol of water and 1.50 mol of nonvolatile glucose (C6H12O6). What is the mole fraction of water in this solution?
What is the final temperature of the water when equilibrium is reached? (Assume a density of 0.998 (g/mL) for water.)
In an acid-base titration experiment, 50.00 mL of a 0.0500 M solution of acetic acid (ka=1.75 x 10^-5) was titrated with a 0.0500 M solution of NaOH at 25 degree C
If 393.5 kJ of heat is released per mole of graphite and T increases 2.613 K, what is the heat capacity of the bomb calorimeter
What would be the product if a 1:1 mole ratio of benzaldehyde to acetone was used in an Aldol condensation?
Suppose the energy level of an electron with quantum number n was proportional to n instead of 1/n^2, E= -2.18 x 10^-19 J
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