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A sample of 5.00 g of methane occupies 14.5 dm3 at 310K. Calculate (a) the work done when the gas expands isothermally against a constant external pressure of 200 Torr until its volume has increased by 3.6 dm3, and (b) the work that would be done if the same expansion had occurred reversibly.
Arsine (AsH3) has a vapor pressure is 35 Torr at -111.95?C and 253 Torr at -83.6 ?C. What is the normal boiling point of arsine.
Many carbohydrate linkages are cleaved by hydrolytic enzymes, which is different from glycogen phosphorylase that uses phosphorolysis. There are two acceptable mechanisms for hydrolysis of the glycosidic bonds
Draw the organic compounds, identify the intermolecular attractive forces for each, and list them in order of increasing boiling point as predicted by the relative strength of those intermolecular forces
Describe the molecule xenon trioxide, XeO3, using four possible Lewis structures, one each with zero, one, two, or three Xe-O double bonds.
If, in a certain experiment, over a specific time period, 0.0055 mol PH3 is consumed in a 2.3 L container during each second of reaction,
A liquid substance has a vapor pressure of 450.0 mmHg at 262.0 degrees celsius and 760.0 mmHg at 325.0 celsius. a) what is the heat of vaporization of this substance? b) what is its normal boiling point?
how much potassium chlorate in needed to produce 20.0mL of oxygen gas at 670mm Hg and 20 degrees celcius?
If 555 g of NaOH is dissolved to a final total volume of 40.0 L, what is the molarity of the solution?
A sediment sample of clay was equilibrated with ammonium ion (NH4+). The ammonium ion was then displaced with Na+. The total amount of ammonium that had been adsorbed.
Calculate the volume of carbon dioxide formed at a pressure of 2.50 atm and a temperature of 1250C.
25 g of a certain metal is heated in boiling water and then poured into 90 mL of water initially at 22.0oC. After the water has resumed a constant temperature.
Describe how you would prepare 500mL of a single solution containing 250mM Tris, 50mM glucose, and 5mM NaCl.
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