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1. What is the maximum amount of useful work that could theoretically be obtained at 25 degrees celsius and 1 bar from the combustion of 48g of natural gas,CH4(g), to give CO2(g) and H2O(g)?
2. The equilibrium below is established when a gaseous mixture of 0.05 mol of hydrogen and 0.05 mol of iodine are placed in a closed system of volume 500ml. Given the equilibrium constant,Kc=49.5, at the experimental temperature, calculate the equilibrium concentrations of H2(g),I2(g), and HI(g).
H2(g)+I2(g) === 2HI(g)
If a 210 mg piece of gold (density =19.32 g/cm^3 ) is hammered into a sheet measuring 2.5 x 1.0 ft , what is the average thickness of the sheet in meters?
The density od acetic acid is 1049.2kg.m-3. the data gathered in the experiment is recorded below. Calculate the volume percent od acetic acid in vinegar.
Problem- What is the molarity of sodium ions in a solution prepared by diluting 250. mL of 0.550 M Na2SO4 to 1.25 L. The ACS practice exam says it .220 M, please show me how.
Explain how many moles of KMnO4 are present in 280mL of a 4.80×10-2 M solution. Explain how many milliliters of 11.1M HCl solution are needed to obtain 0.260 mol of HCl
a tank at is filled with of carbon dioxide gas and of carbon monoxide gas. you can assume both gases behave as ideal
As a scuba diver descends under water, the pressure increases. At a total air pressure of 2.74atm and a temperature of 25.0 ?C, what is the solubility of N2 in a diver's blood? [Use the value of the Henry's law constant k calculated in Part A, 6.2..
The overall reaction for the corrosion of iron by oxygen is given by the following reaction. 4Fe (s) + 3O2 (g) 2Fe2O3 (s) Compound ?H° (kJ/mol) S° (J/mol K) Fe (s) 0 27 O2 (g) 0 205 Fe2O3 (s) -826 90 Calculate the G° for the reaction at 298K and ..
You place 25 moles of a monomer in a flask. It equilibrates to form a dimer by the following reaction. The molar equilibrium constant is found to be 3.5. monomer ( ) dimer or restated 2A ( )A2, What are the concentrations of the monomer and dimer i..
At what temperature (in C) does benzene boil when the external pressure is 470 torr
considering the given chemical reaction and given information about the reaction asnbsp3 ag bg rarr 2 cg dl where
A commercial plant is to treat 320 m3/hr of feed consisting of 50 % A, 50% inerts at 25 atm and 350ºC to obtain eighty percent conversion. Determine how many 2-m lengths of 2.5 cm ID pipe are required?
Calculate delta H^degree (in kilojoules per mole) for benzene,C6H6 , from the following data: 2C6H6(l)+15O2(g)---->12CO2(g)+6H2O(l), delta H^degree= -6534 kJ
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