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You place 2.00L of water in your dorm room which has volume 42500 L. You seal the room as well as wait for water to evaporate. Explain what volume of the water will evaporate if the room is at 25 degree Celsius? Density of water at 25 C = 0.997g/ml as well as vapor pressure at 25C is 23.8 mmHg
at 25.0degc a sample of xe gas occupies 550 ml in a piston-cylider apparatus when the external pressure is 353 torr. at
1) Why does a glycogen molecule have one reducing end?, From the abbreviated name of the compound galactosyl (alpha beta 1 -->1) glucose we know that,
The heat of vaporization (delta)Hvap of carbon tetrachloride (CCl4) at 25 degrees C, is 39.4 kj/mol. If 1 mol of liquid carbon tetrachloride at 25 degrees C has an entropy of 216 J/K, what is the entropy of 1 mol of vapor in equilibrium with the l..
what volume of a 1.75M Calcium hydroxide solution is needed to completely neutralize 100ml of a 2.25M phosphoric acid solution
17the decomposition of dinitrogen pentaoxide has an activation energy of 102 kj/mol and delta H =+55 kj/mil. What is the activation energy for the reverse reaction
The sudden opening of the epiglottis and vocal cords releases this air explosively. Just prior to this release, what is the approximate pressure of the gas inside the lungs?
A giant sequoia tree cut down in 1891, in what is now Kings Canyon National Park northeast of Los Angeles, contained 1342 annual growth rings. If a sample of the tree was removed for radiocarbon dating
A sample of magnesium sulfate heptahydrate having a mass of 7.35 g. is dried completely. How many grams of dry product are expected to be found
how much heat is required to convert 20.0 of ethanol at 23 to the vapor phase at 78 ? ethanol boils at 78. its density
determine how do you know if there must be a precipitate or not and Show whether or not a precipitate will form if The Ksp of PbI2 =9.8×10-9
Hydrogen gas effuses at a rate 4.5 times that of an unknown gas under the same conditions. What is the molar mass (g/mol) of the unknown gas
calculate the amount of potassium ferricyanide(formula weight 329.23g/mole) that must be used to prepare 250 mL of a 2.5X10-3 M solution.
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