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Myoglobin, an iron- as well as oxygen-binding protein found in the muscle tissue of vertebrates, is 0.316% Fe by mass. If a myoglobin molecule containsone iron atom, explain what is the molar mass of myoglobin?
question suppose the current flowing from a battery is used to electroplate an object with silver. calculate the mass
Suppose that 0.570 mol of methane is reacted with 0.720 mol of fluorine forming CF4(g) and HF(g) as sole products. Assuming that the reaction occurs at constant pressure, how much heat is released?
Using a table of thermodynamic data calculate, the Delta H degrees for the following reaction (at 25 degrees C).
Calculate DG for the reaction CS2 +3 CL2 -> S2CL2 + CCL4 given DH =-231.1 kJ and DS= -287.6 J/k - The answer is -145.3 Kj please show work as to how they got this answer.
The house is losing heat to the outside air through the walls and windows at a rate of 60,000 kJ/hr while the energy generated within the house from people, lights,and appliances amounts to 4,000 kJ/hr.
Combustion of an unknown hydrocarbon (a compound containing only C and H) yields 143.66 g CO2 and 29.40 g of H20.
How much energy must be supplied to break a single 21 Ne nucleus into separated protons and neutrons if thenucleus has a mass of 20.98846 amu. What is the nuclear bindingenergy for 1 mol of 21 Ne.
The vapor pressure of water at 20oC is 17.5 mmHg. What is the vapor pressure of water (in mmHg) over a solution prepared from 258 g sucrose (C12H22O11) and 350 g water?
the 250-ml erlenmeyer flask has the mass of 78.639 grams. the mass of 250-ml erlenmeyer flask and water 327.039 grams.
What happens structurally when an amine is dissolved in an aqueous acid compared to when a carboxylic acid is dissolved in aqueous base
a. what does the term paramagnetism mean?b. how can one determine experimentally wheather a substance is
How many grams of mercury(II) oxide are needed to produce 3.05 L of oxygen gas according to the following reaction at 25 C and 1 atm mercury(II) oxide (s)------ mercury (l) + oxygen (g)
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