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The vapor pressure of a liquid is the pressure exerted by its vapor when the liquid and vapor states are in equilibrium. The relationship between vapor pressure and temperature is expressed by the Clausius-Clapeyron equation.
where and are the vapor pressures at the absolute temperatures and , respectively, is the heat of vaporization of the substance in joules per mole, and is the ideal gas constant, which is equal to 8.3145 . The heat of vaporization of water is .
The instruction booklet for your pressure cooker indicates that its highest setting is 11.9 . You know that standard atmospheric pressure is 14.7 , so the booklet must mean 11.9 above atmospheric pressure. At what temperature in degrees Celsius will your food cook in this pressure cooker set on "high"?
Chromium is produced by reacting its oxide with aluminum. If 76 grams of Cr2O3 and 27 grams of Al completely react to form 51 grams of Al2O3 how many grams of Cr are formed
If 15 grams of copper (II) chloride react with 20 grams of soduim nitrate, how much sodium chloride can be formed?
How many grams of CH4 is needed to produce 33.5 g CHCl3.
Determine the volume of CO 2 at a temperature twenty two degree Celsius and a pressure of 781 mmHg could be absorbed by 327 grams of Lithium hydroxide LiOH?
Calculate how much heat is required to added or removed to convert 100.0 g of steam at 115 0C to liquid water at 65 0C?
Mass of nitrogen, Suppose 5.0 liters of Nitrogen (diatomic) is at a temperature of 40 degrees C and a pressure of 1.5 ATM
he initial rate of reaction of H2O2 -- H2O + 1/2O2 is found to be 1.7*10^-3 M S^-1. Assume that this rate holds for 2 minutes. Start with 165ml of 1.60M H2O2 at t=0. How many milliliters of O2 measured at 24C and 757mmHg
Assuming that equilibrium has been reached, calculate Kc and Kp for the reaction.
How many grams of CaCl2 would be dissolved in 1.2 L of a 0.10 M solution of CaCl2?
Suppose that the microwave radiation has a wavelength of 13.2 cm. How many photons are required to heat 200. mL of coffee from 23°C to 62°C?
if the initial water level in the graduated cylinder is 21.2 ml and the level rises to 27.7 ml after the object is placed in the cylinder, what is the volume of the object?
The pressure inside a hydrogen-filled container was 2.10 atm at 21 C. What would the pressure be if the container was heated to 94 C?
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