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Diethyl ether is a volatile liquid, that is used in many solvents. The vapor pressure of diethyl ether is 401 mmHg at 18C. Calculate its vapor pressure at 29C.
Milk spoils about 5x as fast at 300 K as it does at 250 K. What is the apparent activation barrier for the "milk spoiling" reaction
How many grams of sucrose (C12H22O11) must be added to 509 g of water to give a solution with a vapor pressure 0.723 mmHg less than that of pure water at 20 degrees C.
Develop a stoichiometry problem that includes finding a mass of reactant/product from another mass of reactant/product.
Select the most important resonance structure for this species based on the formal charges on the atoms of the three resonance structures you have drawn. Now select the statement from the multiple choices which is true about this most important re..
how many moles of N atoms are there in .882 moles of (NH2)2CO?
In what part of the periodic table are the smallest ionization energies for the first electron found. a. Upper left
Assign oxidation numbers to all the elementals in each of the following: a)PO3^2- b)NH4^+ c)Fe(OH)2 d)HNO3 e)Cr2O7^2-
hc2h3o2aq h20l ltgt h3oaq c2h3o2 aqin aqueous solution acetic acid as represented above. in 0.0105m hc2h3o2 aq at 25c
a solution is prepared by dissolving 1.98 g of an unknown nonelectrolyte in 21.00 g of cylcohexane tf 6.6 oc and kf
a 39 l tank contains a gas under a pressure of 186 atm. what volume would the gas occupy at the same temperature at 550
how much energy in kilojoules is needed to heat 5.65 of ice from -14.0 to 34.5? the heat of fusion of water is 6.01 and
Calcium reacts with iodine to form an ionic compound. If a sample of the compound contains 8.5 x 1019 iodide ions, how many calcium ions does it contain?
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