How many grams of helium are present in the gas mixture
A volume of 18.0 L contains a mixture of 0.250 mols N2 , 0.250 mols O2 , and an unknown quantity of He. The temperature of the mixture is 0 degrees C , and the total pressure is 1.00 atm. How many grams of helium are present in the gas mixture?
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Generally speaking, many companies are interested in the potential cost savings of using the same product and promotional mix on a global basis. It is easier to control the program and less time is required in developing the marketing plan.
Tincture of iodine is I2(s) dissolved in ethanol, C2H2OH. A 1% solution of tincture of iodine is 10.0g of solute for 1000g of solution. How many grams of solvent are present in 1000g of this solution?
Teakap, Inc., has current assets of $ 1,456,312 and total assets of $4,812,369 for the year ending September 30, 2006. It also has current liabilities of $1,041,012, common equity of $1,500,000, and retained earnings of $1,468,347. How much long-t
The specific heat of fat is 0.45 , and the density of fat is 0.94 . How much energy (in calories) is needed to heat 19 of fat from room temperature (25 ) to its melting point (35 )?
Discuss at least three potentially hazardous features associated with concentrated sulfuric acid.
If 18.6 of 0.800 solution are needed to neutralize 5.00 of a household ammonia solution, what is the molar concentration of the ammonia?
Its Dutch supplier sends the fabric in bolts of exactly 200 m2. What is the maximum number of chairs that can be upholstered by 3 bolts of fabric (1 m = 3.281 ft)?
An electric power station annually burns 3.3 107 kg of coal containing 1.4 percent sulfur by mass. Calculate the volume of SO2 emitted at STP
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