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An effective treatment for some cancerous tumors involve irradiation with "fast" neutrons. The neutrons from one treatment source have an average velocity of 3.4 x 10^7 m/s. If the velocities of the individual neutrons are known to within 2% of this value, what is the uncertainty in this position of one of them
Determine the pressure inside a container of a gas connected to an open-end manometer filled with CCl4, has the density = 1.594 g/cm3,
When 157mg of dipentylamine was added to 122mg of benzoic acid and 2 mL of water, a completey homogenous solution was formed. Draw the structures of the species present in water.
What is the ground state electron configuration for the boron atom? What term symbols can arise from this electron configuration?
One of the side effects of taking non-steroidal anti-inflammatories like aspirin and ibuprofen is a degradation of the integrity of the stomach lining.
100.0 ml of .100 M acetic Acid is placed in a flask and is titrated with .100 M sodium hydroxide. An Appropriate indicator is used. Ka for acetic acid is 1.7x10^-5. Calculate the pH in the flask at the following points of titration.
Based on Aufbau filling principles, chromium would be expected to have the following configuration [Ar]4s^23d^4. but the configuration is actually [Ar] 4s^13d^5. Wrtie a brief statement explaining why this alternate configuration is the known con..
What is the molarity of the HCl solution if 310mL of the HCl solution reacts with magnesium to produce 5.40L of H2 gas measured at STP
Propose a reasonable synthetic strategy for the synthesis of trans-6-methyl-3-heptene from 4-methyl-1-pentyne.
In the reaction of sodium benzoate with hydrochloric acid to form benzoic acid, if one started with 12.3 mmol of sodium benzoate
what is the standard free energy change for thisreaction? Substance ?G°f (kJ/mol) CH3CH2OH(l) - 174.9 O2(g) 0 CO2(g) -394.4 H2O(g) -228.6 Express the free energy change inkilojoules using five significant figures. ?G° = ? kJ
Write a net ionic equation for the reaction between aqueous solutions of ammonia and hydrofluoric acid.
which ions in water make it 'hard'? is it possible to test for only one of these ions quantitatively in the presence of the other.
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