Why the pure water is a poor conductor of electricity
Solid crystalline NaCl is likewise a poor conductor of electricity. Pure water is a poor conductor of electricity. However, when solid NaCl dissolves in the water, the solution that is formed conducts electricity. Explain.
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Heptanes (C7H16) and pentane (C5H12) are two hydrocarbon liquids present in the gasoline. At 20°C, the vapor pressure of heptanes is 36.0 torr and the vapor pressure of pentane is 420. torr.
Determine the numbers of g of AlCl3would have to be dissolved in the 150 mL of water to give a solution that has a vapor pressure of 39.7 torr at 35°C?
Calculate the mass of both the solute and solvent present in the sample if 25.0 g of an aqueous solution contains 32.2% by weight solute.
A raven of 1.30 kg flying horizontally at 5.00 m\s flies into this door at its center and bounces back at 2.50 m/s in the opposite direction. Determine the angular speed of the gate just after it is strike by the adverse raven?
Determine the difference in path lengths from the two slits to the position of a third order bright fringe on the screen?
Calculate the difference between the terms specific density and gravity? Which one of these is invariant, no matter which units of measurement you use, and state why?
35 of copper pellets are eliminated from a 300 oven and instantly dropped into 120 of water at 21 in an insulated cup. Determine the new water temperature is?
Benzene is often detected as an impurity in the synthesis of benzoic acid. How does this come about? Determine the numbers of moles of carbon dioxide are contained in the 10 g of dry ice.
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