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A steel cylinder holds 1.60 g of ethanol, C2H5OH. What is the pressure of the ethanol vapor if the cylinder has a volume of 244 cm3 and the temperature is 250°C?
Calculate the energy requird to transform this steam into an ice cube at -20 degree C. Also, graph this phase change, with energy as a function of temperature
Find out how many total moles of gas are produced If a sample has 2.10 mL of nitroglycerine (density = 1.592 g/mL) is detonated?
One mole of an ideal gas (Cv=3/2R) is heated at (a)constant pressure and (b) constant volume from 298Kto 353K. Calculate delta_S for both cases.
Assume for the purposes of this problem that, to be an alcohol (-ol) or an amine (-amine), the hydroxyl or amino group must be bonded to a tetrahedral (sp3 hybridized) carbon atom. Write the structural formula of a compound with an unbranched chai..
Mass of mineral sample = 0.123 g The Na2SO4 in the sample is converted to insoluble BaSO4. The mass of BaSO4 is 0.177 g What is the mass percent of Na2SO4 in the mineral?
Stearic acid is an unsaturated fatty acid b.the short hand notation for fatty acid that is 20 carbons long with one double bond at carbon 5 can be written as 20:1(delta5)
What is the molar composition of the vapor in equilibrium with a boiling liquid that has a composition of 60% A and 40% B
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. What percent error results from the assumption that the density of water is 1.000 g/ml ..
When 25.0 g of Zn reacts, how many L of H2 gas are formed at 25 °C and a pressure of 854 mmHg?
In terms of uncertainty, why is an endpoint volume of 9 mL less preferred than an endpoint volume of 35 mL? In terms of uncertainty, why is an endpoint volume of 55 mL less preferred than a volume of 35 mL?
Draw all of the carbocation resonance structures that result when the tosylate ion leaves from 1-(tosylmethyl)cyclohexa-1,3-diene. Input the radical lone electrons.
how much salicylic acid is required to produce 1.1 x 102 kg of aspirin assuming that all of the salicylic acid is
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