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(a) How many atoms are in 46.89 grams of Tin?
(b) you have 54.25ml NO2 gas. how many grams of NO2 at STP are there? Show method of calculation, also formula that used and please round off to inappropriate sig fig
When 30 mL of a 375 mL stock solution containing 2.11 M AlCl3 is diluted to 92 mL, how many moles of Al3+ are in the new solution
Would you expect benzene to be more reactive or less reactive than toluene toward electrophilic substitution. explain.
to what general class of mechanisms does the attack of bromide ion br- on the cyclic bromonium ion 50 bridged bomonium
Consider an apparatus that consists of two flasks joined together by a valve. One flask consists of 10 L of nitrogen gas at 790 torr, whereas the other flask contains 16 L of helium gas at 740 torr. The temperature remains constant at 26?C. The..
A student synthesized 6.895 g of barium iodate monohydrate, Ba(IO3)2.H20 by adding 30.00 ml of 5.912x10^-1 M barium nitrate Ba(NO3)2 to 50.00ml of 9.004 x10^-1 M sodium iodate,NaIO3.
Calculate the number of moles of ions produced when one mole of Co(NH3)4Cl3 is dissolved in water.
Sulphur trioxide (SO3), a precursor to the manufacture of sulphuric acid, is formed by oxidising sulphur dioxide with oxygen in the presence of a catalyst. 2SO2+ O2 ? 2SO3 If 610 g of sulphur dioxide (SO2) and 280 g of oxygen were used as the init..
In June 2004, the Cassini-Huygens spacecraft began orbiting Saturn and transmitting images to Earth. The closest distance between Saturn and Earth is 746 million miles. What is the minimum amount of time it takes for the transmitted signals to tr..
A solution is prepared by dissolving 25.0 g of ammonium sulfate in enough water to make 100.0 mL of stock solution. A 10.0 mL sample of this stock solution is added to50.0 mL of water. Calculate the concentration of ammonium ions and sulfate ions ..
Problem- Illustrate a complete synthesis for sodium salicylate with condensed structures using sodium hydroxide as one your reactants. No line drawing please.
If a Gammow bag is pressurized to .14atm above atmospheric pressure at an altitude of 25,000 ft, where atmospheric pressure is .37atm, explain what height column of mercury would be supported by the pressure inside the pressurized bag
use the factor label method to determine what quantity of 5.00x10 -3 M EDTA would be needed to mtitrate ml of water containing .0124 g of calcium carbonate
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