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Calculate the concentration of oxygen in water given that the Henry's law constant of oxygen is 4.259 ×104 atm and the partial pressure of oxygen is 0.2 MPa.
What volume of Maker's Mark was consumed if the individual was drinking Maker's Mark (130 proof),?
A portable photometer with a linear response to radiation registered 73.6 μA with a blank solution in the light path. Replacement of the blank with an absorbing solution yielded a response of 24.9 μA. Calculate
Derive an expression for (δU/δV)T for a gas that obeys the van der Waals equation of state.
What is the volumetric flow rate of gases out the stack (m3/min)? Note - in these units, R has a value of 0.08206 atm-m3/kmol-K.
The nuclide As-76 has a half-life of 26.0 hours. If a sample of As-76 weighs 344 g, what mass of As-76 remains after 538 minutes.
A 500-g sample of Al2(SO4)3 is reacted with 450 g of Ca(OH)2. A total of 596 g of CaSO4 is produced. What is the limiting reagent in this reaction, and how many moles of excess reagent are unreacted?
Calculate the molarity of a solution made by dissolving 0.650 grams of Na2SO4 in enough water to form exactly 880 mL of solution.
How many liters of liquid nitrogen are produced when 982.0 L of nitrogen gas is liquefied at 77.36K?
Calculate the molar concentration of OH - ions in an 01.33 M solution of hypobromite ion, BrO- (Kb = 4.0 10-6).
What is the density of a block of marble that occupies 350 cm3 and has a mass of 660 g?Answer in units of g/cm
calculate the energy needed to raise the temperature of 180.0g of water from 10.0 C to 40.0 C. The molar heat capacity for water is 75.3 J/k*mol
If the average speed of an oxygen molecule is 4.05multiplied by 104 cm/s at 25°C, what is the average speed of a CO2 molecule at the same temperature?
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