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If 4.55 g of sodium sulfide and 15.0 g of bismuth nitrate are dissolved in separate beakers of water which are then poured together, what is the maximum mass of bismuth sulfide (an insoluble compound), that could precipitate ? Which reactant was the limiting reagent ?
Na2S+ Bi(NO3)3 -> Bi2S + Na+ + NO3- (not balanced)
A lightning flash is seen and then 1.9 seconds later the thunderclap is heard. How far away in miles did the lightning strike if sound travels 1087 feet per second and a mile is exactly 5280 feet
How many milliliters of 0.10 M HCl would have to be added to 100 mL of a saturated solution of PbCl2 in contact with 50.0 g of solid PbCl2 to reduce the Pb2+ concentration to 0.0050 M? (Don't forget to take into account the combined volumes of the..
Assume an organic compound has a partition coefficient between water and ethyl acetate equal to 6.21. If there are initially 8.05 grams of compound dissolved in 110.0mL of water
A 1-L flask is filled with 1.30 g of argon at 25 degrees Celsius. A sample of ethane vapor is added to the same flask until the total pressure is 1.05 atm. What is the partial pressure of argon in the flask?
Use the steady state approximation, with O treated as the intermediate, to find an expression for the rate of decomposition of O3, i.e. -d(O3)/dt. (Note, do not set d(O3)/dt equal to zero). When step 2 is slow, the rate of decomposition of ozon..
Calculate the amount of antimony in the sample and its percentage in the ore.
a how many grams of sodium lactate should be added to 1.00l of 0.150 m lactic acid to form a buffer solution with ph
Question- Write The Proper Chemical Formula for the following compounds: Copper(II) nitrate cobalt(II) nitrate, nickel(II) nitrate, iron(III) nitrate, hydrochloric acid, ammonium hydroxide, acetone and dimethylglyoxime
one heating 5.03 g of hydrate barium chloride, 4.23 g is left behind. what is the name of this hydrate?
Problem- 15.1 L N2 at 25 °C and 125 kPa and 33.5 L O2 at 25 °C and 125 kPa were transferred to a tank with a volume of 6.75 L. What is the total pressure at 41 °C
What is the the concentration of each ion present in the solution formed by mixing 3.90 g KCl in 75.0 mL of 0.280 M CaCl2 solution. Assume that the volumes are additive
When determining the acid content in prepared yellow mustard by adding NaOH and water, how do you find the mass of CH3CO2H reacted?
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