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Question - When the oxide of generic metal M is heated at 25.0 degrees Celsius, only a negligible amount of M is produced. MO2(s) -> M(s) + O2(g). Delta G =291 kj/mol
When this reaction is coupled to the conversion of graphite to carbon dioxide, it becomes spontaneous.
What is the thermodynamic equilibrium constant for the coupled reaction? What is K?
Please perform what you can and illustrate your work so I can follow. Thanks
Problem- How many grams of Na2CO3 are present in 15.5 mL of a solution that is 26.0% Na2CO3 by mass. The density of the solution is 1.14 g/ml.
you have made up a solution of 100 mm tris ph 7.0. the pka of tris is8.0. compared to the situation at ph 7.0 about how
Pour the water into a 24.0 gram beaker and boil off all the water, so only the salt remains. The beaker with salt in it weighs 41.0 grams. What is the % of salt and % of water
If you used the 9000 kilojoules you expend in energy in one day to heat 51000 {rm g} of water at 23^circ {rm C}, what would be the rise in temperature?
Calculate the sodium ion concentration when 72.7 mL of 4.0 M sodium carbonate is added to 33.2 mL of 1.8 M sodium bicarbonate.
A volume of 18.0 contains a mixture of 0.250 , 0.250 , and an unknown quantity of . The temperature of the mixture is 0 , and the total pressure is 1.00 . How many grams of helium are present in the gas mixture
A sample of air contains 11.4 µg/m^3 of beryllium dust. How many atoms of beryllium are present in a room with dimensions of 19.1 feet by 12 feet by 13.3 feet? Answer in units of atoms.
A 0.9161 g sample which contained monoprotic lactic acid, C3H6O3, was dissolved in 75 mL of water and titrated to the equivalence point with 32.25 mL of a 0.1057 M NaOH solution.
Question- What is the pH of a phosphate buffer when [H2PO4-] = [H2PO4^2-] ? I have the pka for HsPO4- is 7.20. The pka for HCH3O2 is 4.74. The Ka for the system is ka2= 6.3e-8. For H3PO4 the first acidic proton has ka1= 7.2e-3
How much concentrated hydrobromic acid solution (48.0% HBr by mass, d = 1.52 g/mL), in milliliters, is required to produce 10.0 L of 0.185 M HBr
calculate the wavelength of the fifth line in the hydrogen atom paschen series. calculate the energy released in the transition
if 25.4 ml of 0.234 mfecl3 solution is mixed with 43.6 ml of 0.448 m naoha. what is the maximum mass in gramsof the
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