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Calculate the mass of propylene glycol (C3H8O2) that must be added to 0.340 kg of water to reduce the vapor pressure by 2.87 torr at 40 Degrees Celcius ( PH2O at 40 Degrees Celcius = 55.3 torr).
Draw the bondline structures of the isomers of this compound in the manner requested: Its diastereomer C, its optically active isomer D.
Predict how the inert pair effect would manifest itself beyond group 15 and compare your predictions with the chemical properties of the elements involved.
water is added to 25.0 ml of .716 mkno3 solution until the volume of the solution is exactly 500 ml. what is the
how does the strngth of the attraction between water molecules and sodium and chloride ions compare with the strength
Calculate the percent by mass of aluminum in the sample. The vapor pressure of water at 20 degree C is 17.5 Torr.
If the heat released during condensation goes only to warming the iron block, what is the final temperature (in C) of the iron block
a 10.0-g sample magnesium reacted with excess hydrochloric acid to form magnesium chloride .when the reaction was
is added to the flask so that the total volume of solid and liquid together is 54.00 . The solid and toluene together weigh 58.58 . The density of toluene at the temperature of the experiment is 0.864
Rubidium has two naturally occurring isotopes, rubidium -85 ( atomic mass = 84.9118 amu; abundance = 72.15%) and rubidium -87 (atomic mass = 86.9092; abundance = 27.85%). Calculate the atomic weight of rubidium.
0.0010 mg of H, 0.0116 mg of C, and 0.0310 mg of O. It was also determined that the unknown compound had a molecular weight of 90.0 g/mol.
Can someone tell me step by step how to do weak base and strong acid titration problems and vice versa strong base and weak acid
The radius of a potassium atom is 235 pm. Determine the density of potassium in g/cm3.
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