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What is the concentration of each of the following? 15.0 ml of 0.400N HCL diluted to 300ml volume (0.0200N)
131I is readily available in Sacramento. Samples of 131I take 10 hrs to properly package and clear security before they are allowed to leave the site. Assuming that it takes 2 weeks to provide the safe ground transport to a clinic in Cleveland Ohi..
A tiny speck (8.3 x 10-7 mol) of americium-241 is used in smoke detectors, how many atoms of americium-241 are there in one of these smoke detectors?
You are allowed to treat the washed precipitate with one more reagent. By observing what happens when this one reagent is added you should be able to decide, within seconds, what cation is present in your unknown. What one reagent is added
the recommended adult dose of elixophyllin a drug used to treat asthma is 6 of body mass. calculate the dose in
the mineral greenockite is a rare yellow sulfide of cadmium that is 78.0% cadmium and 22.0% sulfur by mass. Determine the empirical formula of greenockite.
Outline a complete mechanistic sequence for the reaction of 2-bromobutane with potasium2-methyl-2-propoxide in 2-methyl-2-propanol solvent to form thethree alkenes generated in the reaction
Write the ionic equation and net ionic equation for the following reactions. Show all work for each balanced equation a. HCl(aq)+ NaOH(aq) b. CH3COOH (aq) + NaOH (aq)
Compute the density of dry air and molar mass at zero degree Celsius temperature and 1.0 atm of pressure.
How many moles of gas (air) were in the container originally. c)How many moles of gas are in the container after the explosion. d)What is the pressure (in atmospheres) inside the container after the explosion according to the ideal gas law.
find the value of pressure.1. a gas in a sealed container has a pressure of 111 kpa at a temperature of 50.0degc. if
At what temperature will a gas be at if you allow it to expand from an original 456 mL at 65 celcius to 3.4 L?
Calculate the current strength needed to vaporize 12 g of compound X (Mw = 180.16 g/mol and a molar enthalpy of vaporization of 106.4 kJ/mol) in 30 seconds using a 16 volt battery.
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