Calculate the molar mass of the nonvolatile solute
A solution is made from 96 g of a nonvolatile solute in 80.0 grams of water. The solution has a vapor pressure of .312 atm at 75°C. Calculate the molar mass of the nonvolatile solute. The vapor pressure of pure water at 75°C is 0.380 atm
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Plot the magnitude of the transmitted force as a function of operating speed in rpm, assuming a unit force amplitude. On the same plot, re-plot the transmitted force if instead the damping ratio changes to half its original value.
Grams and centimeters in the metric system have been defined so that the density of water at 3.98 C is exactly 1. At 20 C, the density of water is 0.9982 g/ml.
Calculate the mass of sodium azide (NaN3) needed in theair bag decomposition reaction in order to inflate a 55 literairbag at standard pressure and 20 degrees celsius.
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Natural gas is a mixture of hydrocarbons, primarily methane (CH4) and ethane (C2H6). A typical mitxture might have Xmethane=0.915 and Xethane=0.085. What are the partial presssures of the two gases in a 15.00-L container of natural gas at 20. C a
What are the reactants in the equation K2CrO4(aq) +Pb(NO3)2(aq) -> KNO3(aq) +PbCrO4(aq)?What are the proper coefficients to balance the equation?
A 2.84g sample of an aqueous ionic salt with a molar mass of 99.37g/mol is added to a calorimeter (Ccal= 72.1J/°C) containing 74.61g of deionized water. The water is initially at 25.780C, after adding the ionic salt, the system reaches equilib
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