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An efficient treatment for some cancerous tumors involves irradiation with "fast" neutrons. The neutrons from one treatment source have an average velocity of 3.5 x 10^7 m/s. When the velocities of the individual neutrons are known to within 2% of this value, define the uncertainty in this position of one of them?
Rank the compounds on relative acidities: H2O, H2C=CH2, NH3, HC(triplebond)CCH3, H3CCH3 (STRONG-->WEAK)
The specific heats of solid and liquid ethanol are 0.97 J/g-K and 2.3 J/g-K, respectively. How much heat (kJ)
For N2 1- draw the molecular orbital energy diagram showing electrons 2- give the molecular electron configuration 3- give the bond order for the molecule 4- predict if the molecule will be magnetic
What is the vapor pressure of SiCl4 (in mm Hg) at 23.5 C? The vapor pressure of SiCl4 is 100 mm Hg at 5.4 C and Delta H
Why do you think that being exposed to air can have an effect on the amount of vitamin C present in the sample of juice?
The composition and amount of each phase present at 726°C, and (e) the composition and amount of each micro constituent present at 726°C.
A 355 mL can od diet soda contains 55 mg of sodium. How many gallons of diet soda must be consumed in order to ingest 1.0 lb of sodium
What us the partial pressure (in atm) of carbon dioxide and the partial pressure (in atm) of water vapor? (For the purpose of this question, assume ideal gas behavior.)
How does a solution of two volatile components with strong solute-solvent attractions deviate from Raoult's law?
Consider the by-products that might be formed by E1 and/or E2 processes in the reaction of 2-methyl-2-butanol with HCL. Provide structures for these products.
Drag the flask and drop it on the lower half of the burette to connect them. Open the Data window and click on the flask. Click the Pushpin icon in the blue bar of the Data window to lock its display to the flask's contents.
The volume of a sample of pure HCl gas was 179 mL at 25 C and 113 mmHg. It was completely dissolved in about 70 mL of water and titrated with an NaOH solution; 19.5 mL of the NaOH was required to neutralize the HCl. Calculate the molarity of the N..
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