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A particular smoke detector contains 2.15 of , with a half-life of 458 . The isotope is encased in a thin aluminum container. Calculate the mass of in grams in the detector.
What is the total number of liters of O2(g) produced from the complete decomposition of 0.500 mole of KClO3(s)?
In an acid-base titration 14.7 mL of .107M NaOH (aq) sodium hydroxide is needed to react to an end point with .1252 grams of H2C2O4 oxalic acid. Determine the molarity of the aqueous sodium hydroxide solution. 2NaOH + H2C2O4 ----> 2HOH + Na2C2O4
Galactose and glucose compose lactose, which is referred to as milk sugar. What is the molecular formula of galactose if the empirical formula is CH2O
The small bubbles that form on the bottom of a water pot that is being heated (before boiling) are due to dissolved air coming out of solution.Use Henry's law and the solubilities given below to calculate the total volume of nitrogen and oxygen ga..
Methanol (CH3OH), which is used as a cooking fuel, undergoes combustion to produce carbon dioxide and water
Consider an insulated system containing 150 g of liquid water and 150 g of ice at equilibrium under atmospheric pressure. A total of 22 g of steam at 120±C is admitted to the system.
If a 180 piece of gold (density =19.32 ) is hammered into a sheet measuring 2.51.0 , what is the average thickness of the sheet in meters?
whats the ph of a solution of 1000 mg of vitamin C (176.1 g/mol) in water (Ka = 8*10^5) diluted to 254 mL
Given that the density of aluminum is 2.70g/cm^3, What maximum length of aluminum lil can be made from 1.10 kg of aluminum?
Why does the thermal conductivity detector respond to all analytes except the carrier gas?
A 9-mm Xian short-barrel experimental pistol is fired and the reacting, exploding gases push the bullet down the barrel of the gun. The pressure is recorded as the bullet accelerates to the exit.
What is the density of a block of marble that occupies 251cm^3 and has a mass of 623g?" answer in units g/cm^3
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