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analyze run-off water for the presence of a.) heavy metals; b.) BTX( Benzene-toluene-xylenes); and c.) PNA ( polynuclear aromatic compounds). Which analytical medthod you will use in each case? Explain your choices.
The solubility of silver phosphate in pure water and Na3PO4, Silver Phosphate, Ag3PO4, is an ionic compound with a solubility product constant Ksp of 206 x 10 ^ - 18.
Draw the structure of a compound with the following analytical data: a mw of 72 g/mol, no silver mirror in a Tollen's test, and a yellow precipiate formed in an iodoform test.
Write a balanced thermochemical equation for the standard formation of CH3OH
Does purified aspirin appear to be purer than crude aspirin? What is your evidence?
How many grams of lanthanum chloride LaCl3 must be added to 1 kg of water to lower the freezing point of water by 1.1 degrees C?
For an oxidation and reduction reaction, indicate what is oxidized and what is reduced in the following reaction.
Sodium methoxide CH3ONa is a weaker base than BuLi or nBuLi butyllithium. Recommend an explanation why it is not surprising to find that a weaker base is sufficient to prepare the Horner-Emmons-Wittig reagent.
Determine the limiting reagent. (b) after the reaction has gone to completion, calculate the concentration of all species in the reaction
A pure gas sample at room temperature (25 C) has an average molecular speed of 682 m/s. What is the identity of the gas.
A certain automobile of mass 1920 kg travels on a German autobahn at 120 km/h. What is the wavelength of the automobile?
has Kp = 45.9 at 763 K. A particular equilibrium mixture at that temperature contains gaseous HI at a partial pressure of 4.00 atm and hydrogen gas at a partial pressure of 0.273 atm. What is the partial pressure of I2?
What types of crystals are formed by the following solid elements and compounds: BF3 BN (NH4)CO3? In each case, state the types of forces among the particles
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