Kinds of attractive forces bind congo red
What kinds of attractive forces bind Congo Red to cotton fibers?
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Estimate the osmotic pressure of human blood at 37°C. Assume blood is isotonic with a 0.16 M NaCl solution, and assume the van't Hoff factor i is 1.9 for NaCl.
Calculate the mass percent of a rm NaCl solution in which 110 g of rm NaCl is dissolved in 2.41 L of water at 25 rm ^circ C (density = 0.997 rm g/mL).
A student reported the follow ing percentages for his unknown mixture: 25%NH4Cl, 30% NaCl, and 50% SiO2. Assuming that the calculations were done correctly, explain the students error?
Calculate the expectation value <r> for the 3P state of the hydrogen atom. Would <r> be greater or smaller for the 4P state? Why?
Calculate the molarity of a solution of glycerol made by dissolving 34.000 mL glycerol at 15 C in enough water to make 300.00 mL of solution.
Calculate the minimum number of grams of propane, , that must be combusted to provide the energy necessary to convert 5.00 kg of ice at -17.5 degrees Celsius to liquid water at 77.0 degrees Celsius.
What is the electron configuration of Al following 2p ionisation? Use a table of microstates to derive the states arising from this configuration. Predict the lowest energy 2p-1 level of Al+. Explain your reasoning.
Predict if the following conditions would result in the formation of a preecipitate:
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