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Fluorine has an average atomic mass of 18.998403 u, and chlorine has an average atomic mass of 35.453 u. How many grams of chlorine contain the same number of atoms as 1.00 g of fluorine?
When X rays of wavelength 0.093 nm are diffracted by a metallic crystal, the angle of first-order diffraction (n = 1) is measured to be 15.2 degrees;. What is the distance between the layers of atoms responsible for the diffraction?
Consider the following equilibrium process at 700°C. 2H2(g)+S2(g) 2H2S(g) Analysis shows that there are 2.50 moles of H2, 1.35 10-5 mole of S2, and 8.70 moles of H2S present in a 12.0 L flask. Calculate the equilibrium constant Kp for the reactio..
Study of a first-order reaction, In the study of a first-order reaction, A--->B, it is found that A/Ao=0.125 after one hour. The system initially consisted of 0.20 mole of a gaseous A at 25 degrees C and 1 atm
what volume of .2500M colbaat(III)sulfate is required to react completely with 5.00 grams of sodium carbonate?
Draw one energy diagram showing both reaction pathways & label all transition states, intermediates and products as well as activation energies. you may assume that the overall reactions are both exergonic while the first step in each reaction is ..
It is then analyzed on the ICP. The ICP results show the liquid to be 64.8 PPM Na and 43.7 PPM P. What does this reveal about the original dry powder
The natural abundance of 13C is only 1.1%. Furthermore, its sensitivity in NMR spectroscopy (a measure of the energy difference between a spin aligned with or against an external magnetic field)
A sample of ethane vapor is added to the same flask until the total pressure is 1.45 atm . What is the partial pressure of argon,PAr , in the flask?
Assume that air pressure is 1.00 atm and the air temperature is 17.3 C. If the abolute zero apparatus is open to the air, how many moles of air will it hold?
The temperature of Beaker X = 75°C and the temperature of Beaker Y = 50°C after Five minutes . determine the temperatures be after another 5 minutes have passed?
Dibenzalacetone is commonly used in sunscreens. Suggest what properties are valuable in a compound for use as a sunscreen.
In the synthesis of aspirin, what would happen if a student tried to quench the reaction by adding excess aqueous sodium hydroxide instead of 8 mL of water
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