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Oxygen binds to the hemes in myoglobin and hemoglobin. However, when plotting oxygen's ability to bind to the protein vs. O2 concentration myoglobin and hemoglobin have dramatically different graphs. Explain this observation.
Because of increasing evidence of damage to the ozone layer, chlorofluorocarbon (CFC) production was banned in 1996. However, there are about 100 million auto air conditioners that still use CFC-12 (CF2Cl2). These air conditioners are recharged fr..
if 2 mole of N2 and 5 mole of H2 in a closed container initially at STP react, calculate the final pressure in the flask at 0C.
Explain why in an aqueous electrochemical cell, nitrate ions never react at the anode, but nitrite ions do
The temperature remains unchanged. Determine the final pressure of the system of two tanks.
Vitamin K is involved in the blood clotting mechanism. When 0.500 g is dissolved in 10.0 g of camphor, the freezing point is lowered by 4.43 °C. Calculate the molecular weight of vitamin K.
One mole of an ideal gas is expanded from a volume of 1.00 liter to a volume of 4.90 liters against a constant external pressure of 1.00 atm. How much work (in joules) is performed on the surroundings?
Calculate the mass of CuS produced and the concentration of H+ ion produced by bubbling H2S into 1.00 L of 0.10 M CuCl(aq) solution.
A block of metal has a width of 3.2 cm, a length of 17.1 cm, and height of 3.5 cm. Its mass is 1.2 kg. Calculate the density of the metal.
The weak acid HZ has a ka of 2.55*10^-4. What is the pH of a .075 M HZ? What is the pOH of .045 M HZ?
The temperature of the calorimeter and its contents increases from 20.00 C to 23.69 C. What is the heat capacity of the calorimeter (J/C)
Use the Henderson-Hasselbalch equation to calculate the pH of a solution that is 11.5g of HF and 25.0 g
if 19.65mL of .145M nitric acid is required ti neutralize 50.0mL of barium hydroxide what is the molar concentration of the base? 2HNO3+Ba(OH)2-->Ba(NO3)2+2H2O
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