Estimate molal concentration of seawater contains only nacl
At 25 degree C, the vapor pressure of pure water is 23.76 mmHg and that of seawater is 22.9 mmHg. Assuming that seawater contains only NaCl, estimate the molal concentration.
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Without moving, you will suddenly see the penny magically appear. If you look into the cup at an angle of 70.0 Degrees to the normal, at what angle to the normal must the penny be located in order for it to just appear in the bottom of the cup whe
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