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An unkown metal is found to have a density of 19.3 g/cm3 and to crystallize in a body-centered cubic lattice. the edge of the unit cell is found to be 0.28864nm. What is the atomic mass of the metal? and Units?
Important information about Heat of Reaction, The combustion of butane produces heat according to the equation 2C4H10(g) + 13O2(g) --> 8CO2(g) + 10H2O(l) deltaHrxn= -5314kJ
If 0.25 mol of Br2 and .55 mol of Cl2 are introduced to a 3.0 L container at 400K, what will be the equilibrium concentration of Br2?
calculate the molar concentration of the final solution. assume volume remains constant
That a supercooled gas eventually phase separates is consistent with the 2nd Law of Thermodynamics because the phase separation lowers the Helmholtz free energy of the system
It takes 50% of NaOH to prepare .6 Normality of NaOH. How much of 50% of NaOH to prepare 50 Liters of solution
At what temperature will 6.21 g of oxygen gas exert a pressure of 5.00 atm in a 10.0-L container
calculate the total amount of heat energy that must be removed to convert 34.0g of steam to water at 25 Celsius
The average pH of normal arterial blood is 7.40. At normal body temperature (37C), Kw = 2.4 * 10^-14.
A gaseous reaction occurs at a constant pressure of 50.0 atm and releases 73.4 kj of heat. Before the reaction, the volume of the system was 7.40L .
Calculate the internal energy and ethalpy change if the volume is changed from 10L/Mmol to 20L/mol and the temperature is changed from 300k too 600k. Use the vander waals equatino and assume that no phase changes ocurr
If 10 g of C react with 115 g of O2 according to the equation C + O2 → CO2, how many g of O2 will remain unreacted?
If 100 g of Mg reacts with excess HCl, what volume of hydrogen gas at 25 degrees C and 1.0 atm pressure will be produced. balanced equation
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