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Assuming that air is 21.0 percent oxygen by volume, what volume of air in liters at 45.0 °C and 793 mmHg would be required to burn 185 g of ethanol (C2H5OH)?
To make strawberry jam, crushed strawberries and sugar are mixed in a 45:55 mass ratio, and the mixture is heated to evaporate water until the residue contains one-third water by mass. Calculate how many pounds of strawberries are needed to make a..
what volume of .2500M colbaat(III)sulfate is required to react completely with 5.00 grams of sodium carbonate?
A diet soda contains 0.5% sodium, 0.25% potassium and 0.6% aspartame. Can you please show me how to calculate how many grams of each you would consume by drinking a 100 mL can of soda.
The dinitrogen oxide molecule has the atomic order NNO rather than the symmetrical NON arrangement. Suggest a possible reason.
Using acetylene as your ONLY source of carbons, show how you would synthesize the following compound. Note: any alkyl halides, alcohols
A solution of magnesium chloride is mixed with a solution of sodium hydroxide. Predict any precipitates that are formed
Assume that only a single stream exits the fuel cell. What is the flow rate of each of the species leaving the fuel cell? Not that the flow rates given to correspond a fuel cell rate at approximately 50kW using 2004 technology.
What combination of a molecular base and a salt of the conjugate acid of the chosen molecular base should you select to prepare a buffer solution that would maintain a pH of 10.00?
Determined atomic weight for the hypothetical element
A tank contains 7.3 moles of nitrogen, 5.2 moles of oxygen, 1.5 moles of helium, and 8.1 moles of carbon dioxide at -100*C and under 1000 atm. Calculate the partial pressure of each gas in the mixture.
If 50.0 of ethanol (density 0.789g/mL) initially at 6.0 is mixed with 50.0 of water initially at 28.2 in an insulated beaker, and assuming that no heat is lost, what is the final temperature of the mixture?
A beaker with 1.50×102mL of an acetic acid buffer with a pH of 5.000 is sitting on a benchtop. The total molarity of acid and conjugate base in this buffer is 0.100 M. A student adds 7.20mL of a 0.330\it M \rm HCl solution to the beaker.
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