Calculate mass of propylene glycol that added to water
Calculate the mass of propylene glycol that must be added to 0.330 of water to reduce the vapor pressure by 2.88 torr at 40°C (Pressure of H2O is 55.3 torr at 40°C ).
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The vapor pressure of pure water at 50.0 .C is 92.5 mm Hg. Calculate the ideal partial pressure of water at this temperature for a mixture of 45.0 g H2O and 55.0 g CH3OH?
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Calculate the mass of propylene glycol that must be added to 0.330 of water to reduce the vapor pressure by 2.88 torr at 40°C.
Sea water has a sodium (Na+) concentration of 1.08 x 104 ppm. If the solution is present as dissolved NaCl, what mass of NaCl is in each liter of sea water? Seawater has a density of 1.05 g/mL.
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What is the boiling point of a mixture composed of 85 g HOCH2CH2OH (ethylene glycol) and 125 g H2O? The boiling point elevation constant for H2O is 0.512 .C/m.
How much energy (in calories) is needed to heat 10cm^3 of fat from room temperature (25 C) to its melting point (35 C)?
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