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Diethyl ether comprise a vapor pressure of 401 mmHg (torr) at 180C as well as its molar heat of evaporation is 26.0 kJ/mol define what is its vapor pressure at 32.00C R = 8.314J/K.mol
If the colder block orginially weighed 200g and the warmer one 100g. calculate the final temperature and the entropy change of the universe for this process
Calculate the amount of heat in kj required to convert 157.7g of water to steam at 100 dgree.
the mclmaximum contaminant level for nitrate in drinkingwater is 10ppm weightweight. a test conducted in 2008
consider the reaction by which hbr is added to ethene to give bromoethane. write the mechanism of the reaction using
student takes 116. g of BaCl2, and reacts it according to the following equation: 3BaCl2 + Al2(SO4)3 → 3BaSO4 + 2AlCl3 How many moles of AlCl3 are formed?
Calculate the change in internal energy, u2-u1 in kJ/kg of Oxygen (O2) when the temperature of the gas is increased from 250K to 800K. Assume a constant specific heat. Use table A-20 to determine an appropriate value of the specific heat.
a constant push of 250N is necessary to slide a crate weighing 400N along a 2.0-meter-long ramp. if the ramp rises 1.0m, what is the efficiency of the ramp.
liquid heptane c7h16 burns in oxygen gas to yield carbon dioxide and water. what mass of carbon dioxide is produced
The voltage meter reads +0.63 volts. Write out the reaction equation, then calculate the standard reduction potential of Fresnium.
Acetone, like dimethyl ether, has no self-hydrogen bonding capacity, but its dipole moemnt is more than double that of the ether. Can this high dipole moment explain the properties of acetone compared to the other compounds
A mixture of gases containing 0.40 mol of SO2 and 0.20 mol of O2 in a 4.0L flask reacts to form SO3. If the temperature is 25oC, what is the pressure in the flask after the reaction is complete
Calculate the morality of a solution made by dissolving 0.750 grams of Na2 SO4 in enough water to form exactly 850 mL of solution. How many moles of KMnO4 are present in 250 mL of a 0.0475 M solution?
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