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Express the work of isothermal reversible expansion of a van der Waals gas in reduced variables and find a definition of reduced work that makes the overall expression independent of the identity of the gas. Calculate the work of isothermal reversible expansion along the critical isotherm from Vc to x Vc.
What is the absolute pressure in a lake 90.00 meters under water (? = 1.00 g/mL) when the atmospheric pressure is 101.325 kPa?
what is the percent yield of the enzyme recovered in the purified fraction. what is the degree of purification (fold purification
the reaction of z-butenedioic acid fumaric acid with butadiene sulfone gives only one product. draw the product of this
Ethylene glycol,C2H4(OH)2, is a colorless liquid used as automobile antifreeze. If the density at 20 degree Celcius of a 4.028m solution of ethylene glycol in water is 1.0241g/mL, What is the molarity of the solution
22.3 g of a substance X dissolves in enough water to make 0.507 L of a 0.779 M solution. Calculate the molar mass of X in g/mol.
Given the following reaction: 4 KO2 + 2 H2O + 4 CO2 ==> 4 KHCO3 + 3 O2 How many moles of O2 will be produced if 3.12 moles of CO2 react completely?
If a radiation source has an intensity of 700 rem at 2.00m, what distance is needed to decrease the intensity of exposure to below 25 rem
composition diagram to explain why fractional distillation of 2 components is more easily accomplished if the components have boiling points that differ by 20 C or more?
How many milliliters of 0.349 M calcium hydroxide are required to titrate 73.1 mL of 0.269 M acetic acid to the equivalent point
vapor phases of water to all be in equilibrium with each other at 0.1 MPa (see equation below)? Explain in terms of Gibbs phase rule.
a nugget of gold with a mass of 521g is added to 50.0ml of water. the water level rises to a volume of 77.0ml. what is
When 20.0 g of a metal is placed in 9.0 mL of water, the volume increases to 14.5 mL. What is the density of the metal
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