Determine the value of the equilibrium constant, kgoal, for the reaction n2(g)+h2o(g)⇌no(g)+12n2h4(g), kgoal=? by making use of the following information:
1. n2(g)+o2(g)⇌2no(g), k1 = 4.10×10^−31
2. n2(g)+2h2(g)⇌n2h4(g), k2 = 7.40×10^−26
3. 2h2o(g)⇌2h2(g)+o2(g), k3 = 1.06×10^−10

1. 1 mole of anything contains 6.022x10^23 pieces  

d  

2. a  

3. c, number  

5. 1.24x10^24atoms / 6.022x10^23atoms/mole = 2moles h2 atoms  

6. fe2br3 mass = 2moles x mass fe + 3 moles x mass br  

molar mass = grams / number of moles = g/mole  

to find moles = g / molar mass  

to find mass = g = molar mass / moles

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