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In a reaction involving iron,Fe, and oxygen,O. It was determined that 4.166 grams of iron reacted with 1.803 grams of oxygen. From this information, determine the empirical formula of the compound that resulted.
how many grams of aspirin are available for immediate absorption by the stomach? Assume immediate dissolution of aspirin and it does not significantly change the pH of the stomach contents. The pKa of aspirin is 3.50 and its molecular weight is 18..
Calculate the energy in the form of heat (in kJ) required to convert 325 grams of liquid water at 20.0 °C to steam at 115 °C. Assume that no energy in the form of heat is transferred to the environment
What is the balanced chemical equation for its reaction with nitric acid? Write the balanced chemical equation for its reaction with a potassium hydroxide.
a chloroform solution of caffeine c8h10n4o2 contains concentration of 0.0868 m . compute mole fraction of
if 58.3 grams of a 14 mm solution of naoh were boiled to dryness how much naoh would remain? if the recovered naoh from
Problem- The empirical formula of a certain compound is CH2. If the molar mass of this compound is 56 g/mol, what is the molecular formula
When 0.156 mol of urea, nonelectrolyte whose MM=60.1 and whose density=1.48g/cm3,is dissolved in 131g of water, the molality of the solution is
Explain why the statement "No process is 100% efficient" is not the best statement of the 2nd law of thermodynamics.
Which of these given nutrients is likely to limit production if the light supply is adequate and there is no nitrogen fixation?
Presume 12.0 g of carbon (C) reacts with 73.0g of sulfur (S) to give 76.0 g of the compound carbon disulfide (CS2). In the process, all the carbon gets used up however some elemental sulfur is left over.
if the ethyl alcohol at 35 degree rise through 8.36 cm in a capillary tube of radius 0.20 mm , What is surface tension
Nutrition experts recommend that you drink at least 8 cups of water daily. If your local water supply contains 1.00 part fluoride (by mass) per millions part water, how many milligrams of fluoride would you consume daily in your 8 cups of water
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