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Explain A 150ml solution of 0.0100M CaCl2 is mixed with 50mL of a 0.0100M KOH. Define what is the solubility of calcium in the mixture?
For each of the compounds that forms hydrogen bonds, draw a diagram of the two molecules using a dotted line to indicate where the hydrogen bonding will occur.
protonated benzoic acid in solution give the Henderson-Hassalbach equation and calculate pH
at a certain temperature 0.200 moles of no 0.300 moles of cl2 and 0.500 moles of clno were placed in a 25.0 l vessel
Describe how branched-chain fatty acids affect the fluidity of membranes and rank the following fatty acids in the order of increasing solubility in water.
The mass percent of an element in a compound is the mass of the element (total mass of the element's atoms in the compound) divided by the mass of the compound
What are the potential sources of error for determining the molar extinction coefficient for methylene blue? Which sources contribute most to the uncertainty in the coefficient?
How much heat in kilojoules is required to warm 10.0 g of ice, initially at -10.0^\circ C, to steam at 110^\circ C. The heat capacity of ice is 2.09 {\rm J}/{\rm g} ^\circ {\rm C} and that of steam is 1.84
Write the balanced equation for the hydration of CuSO4. Indicate the physical states using the abbreviations (s), (l), or (g) for solid, liquid, or gas, respectively
The enthalpy of formation of compound X is -612 kJ/mol, and the sole product of its combustion has a enthalpy of formation of -671 kJ/mol. What is the enthalpy of combustion of compound X?
surface molecules have fewer molecules to interact with than the inner molecules. values depend on size and
Characterize each of the following as a strong, weak, or non-electrolyte: a. H2O, b.HCl, c.HNO3, d.KCl, e.KNO3, f.KOH, g.CH3CO2H, h.CUSO4, i.NH3, j.Ca(NO3)2,k. Al(NO3)3
The atmospheric sulfur dioxide concentration over a certain region is 0.12 ppm by volume. Calculate the PH of the rainwater due to this pollutant. Assume the dissolution of SO2 does not affect its pressure.
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