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Neutron diffraction is utilized in determining the structures of molecules. Compute the velocity of a neutron with a wavelength of 75 pm
indicate how the partial pressure of hydrogen will change if the following stresses are applied to the equilibrium
We electrolyze a solution containing M2O7(3-) for 43.30 hr using a current of 2.685 amp to isolate M(s), which has an atomic weight of 215.22. How many grams of M(s) will be produced if we operate the system at 100% efficiency
Adrenaline is the hormone that triggers the release of extra glucose molecules in times of stress or emergency. A solution of 0.79 g of adrenaline in 33.5 g
What is the total molar concentration of all the ions in 0.030 M solutions of the following salts in water a) 0.030 M KCl = ________ M ions b) 0.030 M CuSO4 = _____ M ions c) 0.030 M CaCl2 = _______ M ions
Emergency treatment of cardiac arrest victims sometimes involves injection of a calcium chloride solution directly into the heart muscle
The molar concentration of the indicator HIn (Ka= 4.8x10 -6 )and its conjugate base In- at 450 were determined as ?In-= 2.06x104 , respectively. Calculate the absorbanc (b=1.00cm) for the buffered(pH=6.00) having total indicator concentration of 2..
Many gaseous reactions occur in a car engine and exhaust system. One of the reactions is NO2(g)+CO(g)-->NO(g)+CO2(g). Given the following information determine the overall rate order. Rate=K[NO2]^m [CO]^n
A total of 2.00 mol of a compound is allowed to react in a foam coffee cup that contains 172 g of water. The reaction caused the temperature of the water to rise from 21.0 to 24.7 C. What is the enthalpy of this reaction
we used 5 different concentration levels to test the absorbtion a potato slice had (to increase its weight) then we had to make a scatter plot chart and find the isotonic point
An acid-base equilibrium system is created by disolving 0.10 mol HF in water to a volume of 1.0 L. What is teh effect of adding 0.050 mole F-(aq) to this solution
How many oxygen atoms are there in 52.06 g of carbon dioxide. How many O atoms does each carbon dioxide molecule contain.
The vapore pressure of water at 16 degree celsius is 13.6 torr and it is 15.5 torr at 18 degree celsius. what is the vapore pressure at 17 degree celsius
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