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1.22 Three beakers contain clear, colorless liquids. One beaker contains pure water, another contains salt water, and another contains sugar water. How can you tell which beaker is which? (No tasting allowed!)
The addition of iodide (NaI or KI) often catalyzes SN2 reactions o alkyl chlorides or bromides. explain how by showing reaction equations of what happens.
The volumes are additive
The normal boiling point of a liquid is 62 c and it has aheat of vaporization of 32.5 kj/mol. What is the vapor pressure at 25 c
A 20.0mL sample of 0.20 M sodium acetate is titrated with 0.11 MHCl (aq). Explain what is the pH after the addition of 50.0mL HCl (aq). (Kbof CH3CO2-= 5.6 ´ 10-10)
a spherodial bacterium with diameter of 1 um contains twomolecules of a particular protein. what is the molar
Draw the structure of predominant form of Nexium at pH 1.5,7.0,12.0 with three resonance structures at pH 12.
Typically an adult will inhale 2.1 L of air per breath. What mass of ozone is taken into the lungs per breath by an adult breathing air containing 1.57 x 10^-4 micro(ug) grams of ozone per cm^3 of air?
Which is predicted to be the most ionic substance? a) NiS b) CuI c) CoO d) NaBr
what type of intermolecular forces are between ch3ch2ch2cl and
Inquired to give a patient 5 cc of medicine per 100 lbs. body weight. Explain how many mL of this medicine would you give an 85 kg patient
Calculate the pH of a buffer that contains 0.270 M hydrofluoric acid (HF) and 0.180 M cesium fluoride (CsF). The Ka of hydrofluoric acid is 6.80 x 10^-4.
the MWP for a tank is 207.0 bar at 20 degrees C. If the tank is filled at 200.0 bar at 20 degrees C, what is the maximum pressure the tank achieves if left in the sun on a boat, if the tank temperature reaches 35.0 degrees C?
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