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How do you make a supersaturated solution. How is this different than a "saturated" solution
A diamond is made of pure carbon. The distance between any two neighboring carbon atoms in a diamond is 1.54 angstroms. What is the distance in inches
Draw two chair conformations of trans-1-tertbutyl-4-chlorocyclohexane. Indicate which conformation is more stable and why
Think back to what you learned in this course about solutions and intermolecular forces. Why don't these to "mix" together (in other words, make a homogenous solution) when combined. Why do they sep
What is the SUM of all of the coefficients in the reaction. 2 C8H18 + 25 O2= 16 CO2 + 18 H2O
A sample of 1-naphthoic acid is contaminated with a small amount of sand and NaCl. Using active extraction (changing the polarity) and a gravity filtration to remove a component, describe how you wo
The mole fraction of gas A in a mixture is 0.48. If the total pressure of the container is 2.0 atm, what is the partial pressure of gas A?
Indicate which layer( aqueous or organic) each component in the reaction will mainly reside in ( for both products and reactants ) for all the following three reactions: (1)Show the reaction of 1-na
You are holding two helium balloons (each is identical) a large and a small balloon. How do the pressures of helium compare
If you had a mixture of NaCl and Na2CO3, would the action of concentrated H2SO4 enable you to decide whether both Chloride ions and carbonate ions were present
given that the normal melting point of cyclohexane is 6.47 degree C and the enthalpy of fusion at this temperature is 2.68 kJ/mol. State any assumptions or approximations made.
Find the activity of water in this sucrose solution, given that the vapor pressure of pure water at 25 degree C is 3.167 kPa. (b) If a 2.00 mol/kg aqueous sucrose solution has a vapor pressure of 3.
Calculate the density of a solution of benzene and toluene mixed at 1:1 weight ratio at 20 degree C and 1 atm, given that ?(benzene) = 0.8790 g/cm^3 and ?(toluene) = 0.8668 g/cm^3 at 20 degree C and
A mixture of KCl and KClO3 weighing 1.55 grams was heated the dry O2 generated occupied 1.4x102 ml at STP. What percent of the original mixture was KClO3 which decomposes as follows
A mixture is prepared from 15.0 l of ammonia and 15.0 l chlorine measured at the same conditions these compounds react according to the following equation 2NH3+3Cl2---> N2+6HCl When the reaction
In a 4.09 liter container at 25C are placed 1.23 moles of O2 gas and 3.20 moles of solid C(graphite). If the carbon and oxygen react completely to form CO(g) what will be the final pressure in the
Calculate the volume of 6 M NaOH required to react completely with the amount of methyl salicylate you used. How much of the 6 M NaOH that you used was in excess of the theoretical amount?
Why is this only an approximation? Under what conditions can the selectivityremain temperature-independent?
Equilibrium system given: Fe3+(aq) + SCN- (aq) <- -> FeSCN2+(aq) Equilibrium system Net ionic equation? What are the net ionic equations for the following
What is the % of the R enantiomer in a sample of carvone that has a specific rotation of 30, given that the specific rotation of R-carvone is -61
If the equilibrium concentrations of both Cl2(g) and Br2(g) are 0.0200 M in a closed container, what will be the partial pressure of BrCl
Olympic cyclists fill their tires with helium to make them lighter. A cyclist filled her bicycle tire, which has a volume of 855 mL, to a pressure of 8.5 atm at 25 C with helium.
When they specifiy that "Measure out xx mg of the phosphonium chloride salt and the appropriate amount of aldehyde, equivalents with respect to the the phosphonium chloride)
calculate the final temperature of the mixture of 150 g of ice initially at 13.5 celsius and 278 g of water initially at 84.5 celsius
Which would be safer if exposed to a flame, a gas can full of gasoline or a can with half air and half gasoline. Explain.