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An effective treatment for some cancerous tumors involves irradiation with "fast" neutrons. The neutrons from one treatment source have an average velocity of 3.1 x 10^7 m/s. If the velocities of individual neutrons are known to within 2% of this value, what is the uncertainty in the position of one of them?
Sketch the line-bond structure for each molecule or polyatomic ion of the following. Designate the formal charges where applicable.
Calculate the volume of dry CO2 produced at body temperature (37°C) and 0.966 atm when 26.0 g of glucose is consumed in this reaction.
Explain why the form of the equilibrium constant for a chemical transformation can be predicted from its stoichiometric coefficients whereas
Acetic acid, CH3COOH, is a weak monoprotic acid (pKa=4.74 at 25oC). What is the pH of 0.191 mol/L CH3COOH(aq) at 25oC
why do we use water as diluent in preparing control and blank samples? are there any better blank sample than water?
A mole of sodium hydroxide has a mass of 40 g. In order to prepare a .1M solution, how many grams of sodium hydroxide must be added to 500 mL of water
what is the freezing point(Degrees C) of a solution prepared by dissolving 11.3g of Ca(NO3)2 ( formula weight= 164g/mol) in 115g of water?
How many formula units make up 26.2 g of magnesium chloride (MgCl_2)?
How many moles of CH_3_COOH are present in the beaker? What is the concentration of acetic acid?
to what general class of mechanisms does the attack of bromide ion br- on the cyclic bromonium ionbridged bromonium
calculate the amount of heat transfered when 24.0 g of CH3OH decompose at constant pressure. delta H is 126.4 kJ
How much magnesium chloride would you have to purchase to make up 10.0 L of bath water saturated with magnesium chloride
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