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There are approximately 2.60x10^13 red blood cells with atotal of 2.90g of iron. On the average, how many iron atoms are present in each red blood cell? (molar mass (Fe)= 55.85g
The atomic mass of silver is 107.868 amu. There are two naturally occurring isotopes of silver, Ag-107 (106.904 amu) and Ag-109 (108.905 amu). What percentage of naturally occurring silver is the heavier isotope. A. 42.5% B. 45.4% C. 48.2% D. 49.8..
The decomposition of hydrogen peroxide can be catalyzed by iodide ion. The catalyzed reaction is thought to proceed by a two step mechanism.
What would the name of the species in the aqueous layer be when the mixture mentioned above is extracted with either sodium hydroxide or sodium bicarbonate?
A certain reaction has an activation energy of 63.62 kJ/mol. At what Kelvin temperature will the reaction proceed 4.50 times faster than it did at 347 K
The sample is titrated to the phenolphthalein endpoint with 15.17 ml of a sodium hydroxide solution. What is the molar concentration of the NaOH solution
Compare the heat produced by the complete combustion of 1 mole of methane (CH4) with a mole of water gas (0.50 mole H2 and 0.50 mole CO) under standard conditions
Given a buret filled with .11 M acetic acid and a second buret filled with .15 sodium acetate, how many milliliters of each solution should be mixed together to produce 18.0 mL of a solution with a pH of 4.79
Calculate the standard reaction entropy and the change in entropy of the surrounding at 298 K for the reaction below. Also calculate the standard Gibbs for this reaction as well is this reaction spontaneous
Using the definitions for 'oxidation' and for 'reduction', identify the exact species that is getting oxidized and species that is getting reduced in each of the following redox reactions:
Calculate the change in pH caused by adding 10.0 mL of 3.30-M HCl to 440. mL of each of the following solutions.
A 0.692 g sample of glucose, C6H12O6, was burned in a constant volume calorimeter. The temperature rose from 21.70 °C to 25.22° C. The calorimeter contained 575 g of water, and the bomb has a heat capacity of 650 J/K. What is ?U per mole of glucos..
Due to a failure in the building's cooling system, the room's temperature rises to 37 degrees Celsius. Does all of the rest of the water evaporate. What is the partial pressure of water vapor in the room. What is the relative humidity
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