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For the decomposition of hydrogen iodide on a gold surface at 150 °C
2 HI(g)H2(g) + I2(g)
the average rate of disappearance of HI over the time period from t = 0 s to t = 1019 s is found to be 1.20×10-4 M s-1.
The average rate of formation of I2 over the same time period is M s-1
Calculate delta S at the indicated temperature for a reaction having each of the following changes in enthalpy.
What can be done in this circumstance to ensure the method and reported value is valid? Explain the difference between systematic and random error. Give three examples for sources of systematic error.
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a a general formula for gasoline is c7h13 . calculate the air to gasoline mass ratio required for stoichiometric
when water freezes its volume is increased by one-eleventh. in other words the volume of ice equals the sum of the
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