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Vapor pressure measurements at several different temperatures are shown below for mercury. Determine graphically the molar heat of vaporization for mercury.t (C) 200 250 300 320 340P (mmHg) 17.3 74.4 246.8 376.3 557.9
four different solutions containing bases are shown below. What are the relative strengths of the bases shown in I-IV? Explain your reasoning. Note: H2O molecules are not shown for clarity.
What are the units of the rate constant? c) What is the average value of the rate constant calculated from the three data sets?
Hydrogen is collected over water at .975 atm and 28 degrees Celsius. What is the partial pressure of H2?
How many grams of CH3OH must be added to water to prepare 150mL of a solution that is 2.0 M CH3OH?
A sample of chloroform is found to contain 10.5 g of carbon, 93.1 g of chlorine, and 0.88 g of hydrogen. If a second sample of chloroform is found to contain 20.8 g of carbon, what is the total mass of chloroform in the second sample?
Identify the oxidation-reduction reactions among the following: 1. Zn(s) + Cu2+(aq) → Zn2+(aq) + Cu(s)
Determine How many moles each are in 1.30L of the saline solution if a physiological saline solution contains 174mEq/L each of Na+ and Cl - .
Why is The dehydration of cyclohexanol to cyclohexene a traditional experiment to illustrate the acid-catalyzed dehydration of an alcohol to an alkene ?
Give a balanced equation and show how much hydrogen would be needed to reduce the triacylglycerol completely
Calculate the maximum mass of pure ethanol that can be vaporized in 10 min from a beaker left in strong sunshine, assuming that the surface area of the ethanol to be 50 cm^2
If the aqueous solution in the above problem with ammonia was also allowed to equilibrate with an atmosphere containing 10 3.5 atm carbon dioxide
The activation energy for a given reaction is 87 kJ/mol. What is the ratio of the rate constants for this reaction when the temperature is decreased from 37 °C to 15 °C
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