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On a unusually warm day in February, Monica ( a burger flipper by default) is sweating profusely over a hot grill. The temperature in the fast food kitchen is 108degF or 42.2deg C and the relative humidity is 88%. During her one morning break, she takes a drink of some ice cold distilled water from a plastic cup. Before Monica takes a drink, she drips 6 drops of sweat into the cup. Given: the concentration of sodium in her sweat is 24 mmol/L, the concentration of potassium in sweat is 7.5 mmol/L, the pH of her the sweat is 6.0, her sweat production rate is 2.1 L/hr, a drop of sweat is 0.1 mL, the concentration of sodium in the plastic cup after her sweat is added is 0.25mg/L, and that Monica would rather be studying physiology than "sweating her brains out". How much fluid is in the plastic cup before she takes a 30 mL sip?
The heat capacity of bomb calorimeters are determined by running a known, standard reaction. The combustion of 1.700 mmol of X caused the temperature of a bomb calorimter to rise from 23.650 oC to 26.350 oC.
1) Use Coulomb's law to calculate the ionization energy in kJ/mol of an atom composed of a proton and an electron separated by 166.00pm 2) What wavelength of light would have sufficient energy to ionize the atom
A solution is made by taking 54.62 g of K2CrO4 in enough water to make 250.0 mL of solution. The molarity of the solution is therefore
base catalyzed reaction of vanillin with acetic anhydride? They produce slightly different products, but how and why
The haber process is a method in which ammonia can be produced from nitrogen gas and hydrogen gas. If nitrogen gas at 200 atm and hydrogen gas at 500 atm are combined at 500?C in a 50.0L vessel: determine the amount of ammonia that would be produc..
a gas is placed in a balloon with a volume of 3.0L at 35C and 800 torr. What would be the new volume for the gas if placed under STP
What is the freezing point of a solution made by mixing 1.40 mol sodium sulfate, Na2(SO4), 1750 g H2O? (Kfp=1.86 C/m)
Which metal requires higher frequency light to produce photoelectrons. Calculate the minimum frequency that will produce photoelectrons from each surface.
Calculate the volume of 6 M NaOH required to react completely with the amount of methyl salicylate you used. How much of the 6 M NaOH that you used was in excess of the theoretical amount?
Calculate the percent by mass of calcium carbonate in the rock, assuming that it is the only substance reacting with the HCl solution.
What is the change in the freezing point of a solution made by dissolving 14.7 g of C6H1206 into 150.0 ml of water? The density of water is 1.00 g/mL and Kf=1.86C/m.
What is [H3O+] in a solution obtained by dissolving 205ml HCl(g), measure at 23C and 751 mm Hg, 4.25 L of aqueous solutions
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