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What is the vapor pressure of CS2(in mmhg) at 28.0 degrees Celcius? Carbon Disulfide, CS2 has a Pvap = 100mm at -5.1 degrees celcius and a Hvap = 28.0 kj/mol
Calculate the percent by mass of potassium nitrate in a solution made from 45.0 g KNO3 and 295 mL of water. Density of water is 0.997 g/mL.
isooctane a fuel used in gasoline engines because it has an antiknock octane rating of 100 has a density of 0.6919 g
a graduated cylinder contains 110. ml of water. a 10.0 g piece of iron density 7.86 gcm3 and a 18.9 g piece of lead
write the equations involved in the following
If the volume is increased to 68.0 at constant temperature, how many collisions will occur per square inch of this larger container. Enter the number of collisions per square inch.
the total quantity of coal burned in canada and the united states in a year is approximately 450 x 106 t. the average
The enthalpy of vaporization of ethanol is 38.56 kJ/mol. It has a boiling point of 351.44 K. What is the difference in entropy between ethanol's liquid and gaseous states at 351.44 K? What I'm asking is what is the size of the "jump" on the Sm ver..
Use Le Chatelier's principle to explain why the buffer prevents large changes from occuring in PH when
react ammonia with a halogenated alkane, will you get only one organic product? Why or why not?
A sample is composed of a mixture of CaCO3 and CuSO4*5H2O. A chemist decided to analyze the mixture by dehydrating it by heating it to 120 degrees Celsius for 12 hours. If a 5.327 g sample weighed 4.281 g after dehydration
The speed of sound in air is 344 m/s at room temperature. The lowest frequency of a large organ pipe is 30 s^-1 and the highest frequency of a piccolo is 1.5*10^4 s^-1
What ions will the following elements form? Enter the letter of the item in Column Two that best matches the item in Column One.
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