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Your stomach is a chemical reactor. When you consumea fast food $0.99 hamburger in about a minute, it acts like aninstantaneous input of 325 g of food entering the stomach. Inresponse, the stomach starts producting gastric liquids (acids),which are continuously excreted into the stomach at a rate of 12.0mL/min as the hamburger is digested. The fluid also leaves thestomach to the small intestine at a flow rate of 12.0 mL/min, sothe volume of liquid in the stomach stays constant at 1.15 L. Thehamburger digestion rate is constant at 1.33/hr.
(a) What kind of ideal reactor would you model your stomachas?
(b) What fraction of the hamburger's mass will remainundigested in yaou stomach one hour after you eat thehamburger?
Calculate the molarity (mol/L) of CO32- when SrCO3 is placed in a 0.0340 M SrCl2 solution. The equation represents the solubility process.
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What is the value of K for the reaction between hydrocyanic acid and ammonia, which is shown here
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When doing the kinetic trial, Peyton mistakenly omitted the starch solution from the kinetic trials. How will this omission change the appearance of the resultant solution (from mixing solutions A&B)
Automobile antifreeze is made by mixing equal volumes of ethylene glycol (d=1.114 g/mL, MW= 62.07 g/mol) and water (d=1.00 g/L, MW= 18.02 g/mol). Assume that the volume are additivr, calculate concentrationin the following units:
Calculate the pH of a solution made by adding 40. g of sodium acetate, NaCH3COO, to 21 g of acetic acid, CH3COOH, and dissolving in water to make 700. mL of solution
An artist statue has a surface area of 14.6 feet squared. the artist plans to apply gold plates to the statue and wants the coating to be 2.5 micrometers thick. If the price of gold were $625.10 per troy ounce, how much would it cost to give the s..
A sample of H2SO4 contains 1.11 grams of H (1.01 g/mol). How many moles of H2SO4 (98.02 g/mol) are present?
You prepare a buffer solution by dissolving 1.77 g each of benzoic acid, HC7H5O2, and sodium benzoate, NaC7H5O2, in 900.0 mL of water.The pH of the buffer is 4.19. How much (in grams) of the buffer (benzoic acid), would you add to the 900.0 mL of ..
A vessel with a volume of 23.1 L contains 2.80 g of nitrogen gas, 0.403 g of hydrogen gas, and 79.9 g of argon gas. At 25 deg celsius, what is the pressure in the vessel
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