What is the vapor pressure of a solution prepared
At 55.0 ºC , what is the vapor pressure of a solution prepared by dissolving 65.4g of in 259g of water? The vapor pressure of water at 55.0 ºC is 118 mmHg. Assume complete dissociation of the solute.
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What is the pH of a solution of 6.5 * 10^-9 mol of Ca(OH)2 in 10.0 L of water [ Ksp of Ca(OH)2 = 6.5 * 10^-6 ] ?
How has the influence of content and state standards improved what content is being taught in the classroom? What are some possible negative effects this mandate has had on American education? Explain.
It does not conduct electricity in either the solid or liquid state. Does (NH2)2CO form an ionic,a covalent or a molecular crystal?
How effective is communication in your workplace? Give at least two examples of either how communication is effective or ineffective, and tell what you would do to improve it?
Calculate the solubility of potassium bromide at 23 degrees C. Assume that the solubility increases by an equal amount of each degree between 20-30 degrees C
A bucket filled with water has a mass of 23 kg and is attached to a rope, which in turn, is wound around a 0.050-m radius cylinder at the top of a well. What torque does the weight of water and bucket produce on the cylinder if the cylinder is not
How do classical conditioning procedures differ from operant conditioning procedures? How are they similar? In your opinion, which learning process is more effective? Why?
Water self ionizes to a small extent creating equal concentrations of hydronium and hydroxide ions. What is the molar concentration of these ions in water at 25oC?
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