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An important reaction involved in the operation of vacuum tubes is the following y BaO(s) + x M(X M , s) = M x O
An important reaction involved in the operation of vacuum tubes is the following
y BaO(s) + x M(XM, s) = MxOy(solid or gas) + y Ba(g)
where M is an oxide-forming solute dissolved in the base nickel cathode. Calculate PBa, in equilibrium at 1175K of M is C at 0.01% and MxOy is CO2(g). C is soluble to the extent of 0.1% in M.
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