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The boiling point of a solution containing 10.44 g of an unknown nonelectrolyte in 50.00 g of acetic acid is 159.2 degrees Celsius. What is the molar mass of the solute?
The ionization energy of hydrogen is reported to be 1.31x10^6 J mol^-1 of H. (1) compute the ionization energy for a single atom of hydrogen.
Molybdenum crystallizes in a body-centered cubic lattice (the Mo atoms are at the lattice points only). If the density of the metal is 10.3 g/cm3, what is the unit cell edge length in pm?
A solution of L-alanine (400 ml) is brought to pH 8 and treated with excess formaldehyde. The solution now requires 250 ml of 0.2M NaOH to titrate it back to pH 8. How many grams of L-alanine did the original solution contain
how many ounces would 12.30 moles of sulfur hexafluoride
Draw the flow of e- and the products of the Methoxide Ion and water including formal charges on all compounds.
Include all constitutional isomers(except those with carbon-carbon double bond or triple bonds). For each constitutional isomer, identify the functional group and indicate whether there are stereoisomers other than conformers.
Add charges, single electron dots, and/or pairs of dots as suitable to demonstrate the Lewis symbols for the steadiest ion of each element. Treat n=4 as the valence shell in all cases.
Butane has a heat of vaporization of 22.44 kj/mol and a normal boiling point of -0.4 C. A 250 ml sealed flask contains 0.75 g of butane at - 22C.
A saturated solution of thallium methoxide, TlOCH3, in benzene C6H6, contains 0.632g in 20.0 mL of benzene at 25°C. The density of benzene at this temperature is 0.8736g/mL. Calculate the solubility of TlOCH3 in benzene in units of g solute/(100g ..
Calculate the equilibrium value of Pb+2(aq) in 1.00 L of saturated PbCl2 solution to which 0.250 moles of NaCl(s) has been added. Assume that no volume change occurs.
the catalyst reacts with the reactants. B. A catalyst initiates a chemical reaction. C. A catalyst lowers the activation energy of the reacting molecules
rust on an automobile door contains fe2o3s. the balanced equation representing one of the reactions between iron in the
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