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Why would we obtain the same equation of state for linear molecules and non-linear molecules ( that is, taking rotations and vibrations into account
Why would we obtain the same equation of state for linear molecules and non-linear molecules ( that is, taking rotations and vibrations into account?
Arrange the following elements from greatest to least tendency to accept an electron. Rank from greatest to least tendency to accept an electron.
Could this from if sulfuric acid was added to 2,5-dimethyl-2,5-hexanediol instead of hydrochloric acid. why
Assume you are performing the calibration step of Experiment 8 and you begin with 70 g of water at 20 oC and 70 g of water at 80 oC. After adding the two portions of water into your calorimeter setu
Calculate the [H3O+] of the following polyprotic acid solution: 0.340M H3PO4 . and calculate the ph 2) Calculate the [H3O+] and pH of the following polyprotic acid solution: 0.360M H2C2O4 and calcul
Sulfurous acid, H2SO3, is a weak diprotic acid (pKa,1=1.89 and pKa2 =(7.21 at 25oC). What is the pH of 0.121 mol/L H2SO3(aq) at 25oC?
How many milliliters of a stock solution of 11.0 NHO3 would you have to use to prepare 0.320 of 0.350 NHO3
Suppose that, during an extraction, you lost track of which flask contained the aqueous layer. What could you do to determine which layer is which
Chloroform is an excellent solvent for extracting caffeine from water. KD = 9 for caffeine in chloroform-water at 25 degrees celecius. What weight of caffeine would be recovered from a solution of 4
Sulfurous acid, H2SO3, is a weak diprotic acid (pKa,1=1.89 and pKa,2=7.21 at 25oC). What is the pH of 0.121 mol/L H2SO3(aq) at 25oC
What volume of ether would be required to extract 0.95 g of aspirin from a solution of 1.0 g of aspirin in 100 mL of water in a single extraction
What is the percent ionization of HA in 0.11 mol/L HA(aq) if HA is a weak acid with pKa=6.00. Enter your answer accurate to three significant figures
What practical advantage does an extraction solvent that is denser than water have over one that is less dense
In a constant pressure calorimeter 25 mL of 1.0M NaOH reacts with 250 mL of 1.0M HCl and the temperature increases 6.0 degree celsius. What is the enthalpy of this reaction?
limiting Reactant Worksheet - What are the two steps in the Experimental Procedures that are incorporated to reduce the loss of the calcium oxalate precipitate. Identify the steps in the procedure a
Which of the following solutions has the highest osmolarity. 1.1 M Ba(OH)2 .75 M Fe2(SO4)3
1) Draw the form (structure) of ascorbic acid that is present at physiological pH (in the body; pH= 7.4). What diseases can be prevented and/or treated by the intake of ascorbic acid?
Draw the polymer that results from phthalic anhydride and glycerol. d. Are these addition or condensation polymers? e. Describe and explain the differences between the polymers formed from the react
Write out the balances for the mixing point d) Determine he amount of desalinated water (D) produced, e) Determine the amount of waste brine (B) from the process, and f) Determine the fraction of th
What is the solubility of lead(II) chloride in both hot and cold water? why is the use of hot water critical to the sucess of the experiment
We do not have any gardening books, magazines, or access to the Internet (horrors!). We need to observe a number of characteristics for these plants. What are some of the characteristics that we wan
The reaction between sodium metal and chlorine gas is highly exothermic and produce NaCl. Comment on this observation relative to the calculated enthalpy for the aforementioned gas-phase reaction.
A student separated the components of a 2.743 g sample of beach sand. The separation yielded 0.632 g sea salt, 0.456 g sea shells, and 1.352 g sand. (A) calculate the mass percent of each component
When one mole of C6H6 is burned, 3.27 MJ of heat is produced. When the heat from burning 6.65g of C6H6 is added to 5.69 kg of water at 21C, what is the final temperature of the water.