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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 xVc.
Buffer solution will be prepared using (CH3)2NH2+ and (CH3)2NH conjugate acid/base pairs. To prepare the buffer, 50.0 mL of 0.084 M (CH3)2NH2+ (Ka = 1.68x10^-11) was mixed with 72.6 mL of 0.064 M KOH. Calculate the resulting pH of the solution.
Determined atomic weight for the hypothetical element
question when trimethylamine ch33n dissolves in water it partially ionizes producing the trimethylammonium ion ch33nh.
What will the following peptides look like structurally at pH 1, pH 7, pH 12. (You will draw 3 structures for each.)
The thermal decomposition of 30.9g of CaCO3 produced 12.4g calcium and 3.71g carbon. Calculate the mass of oxygen produced in this reaction.
Given that the density of solid sodium is 0.968 g/cm^3, estimate the atomic (metallic) radius of a Na atom. Assess the value obtained, indicating why the result is only an estimate and whether the actual radius should be larger or smaller than the..
Use bond enthalpy to estimate the enthalpy change for each of the following reactions: (a)H2C=O(g) + HCl(g) ---> H3C¬O¬Cl(g (b)H202(g)+2CO(g)
A sample of stoichiometric dolomite (an equimolar mixture of CaCO3 and MgCO3) has a mass of 10.00 g. What is the mass in grams of the CaCO3 component?
Draw a saturated and unsaturated hydrocarbon with 4 carbons in length and give their IUPAC
If the second data point occurred after a total addition of 4.00 mL of NaOH at t = 219 s, calculate the intial rate of reaction in units of M/s.
Assuming that one serving size of juice is 240ml. calculate the mg of witamin c in one seving size of the juice. vitamin c, raw juice 0.643 mg/ml
question how to draw a diagram of sodium metal starting with one sodium atom then two atoms then four atoms then eight
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