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What is the term for the process of a vapor moving into(or out of) the solid phase without going thru the liquid phase?
Is this process done above or below the critical temperature? Is this process done above or below the triple point temperature?
A solution is prepared by dissolving 3.00 g of an unknown nonelectrolyte in 20.00 g of cylcohexane (tf = 6.6 oC and kf = 20.0 oC/m). What is the molar mass of the unknown compound if the solution has a freezing point of -6.4 oC
The pH of the resulting solution is 2.65. Calculate the Ka for the acid.
As he was looking for the baking soda he found something else that would help alleviate the rash. What could've AJ used to help with the diaper rash?
1.it is noted that pure ethanol ch3ch2oh has density 0.80625 gcmsup3 at 0.0deg c and density of 0.78945 gcm sup3 at
The density of a 16.0 mass % solution of sulfuric acid in water is 1.1094{g/mL} at 25.0 degrees celcius.
Three manufacturers are producing carbonated bottled water. One company introduces carbonate by bubbling carbon dioxide into water until CT=10-3 M (equivalent to adding "H2CO3*" until CT = 1 x 10-3 M), a second adds sodium bicarbonate (NaHCO3) unt..
The limiting reactant in the salt mixture was later determined to be CaCl2x2H2O a) How many moles and grams of the excess reactant, K2C2O4xH2O, reacted in the mixture? b) How many grams of the K2C2O4XH2O in the salt mixture remain unreacted (in ex..
The molar mass of cellulose is approximately 6.0 x 10^5 g/mol and the molar mass of a soluble starch is on the order of 4.0 x 10^3 g/mol. The monomer unit in both of these molecules has the emperical formula C6H10O5.
Draw the Lewis dot structure of phosgene. Include all 3 resonance forms by alternating the double bond among the 3 terminal atoms. Which resonance structure is best?
Cis/trans isometry is graded -it may help to draw hydrogen atoms associated with the carbon atoms of the double bond
From the ln [reactant] as a function of temperature you can tell the reaction rate is first order if it is a linear curve ln[A]t = -kt + ln[A]o How is this equation derived
A gaseous system undergoes a change in temperature and volume. What is the entropy change for a particle in this system if the final number of microstates is 0.617 times that of the initial number of microstates?
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