A mixture containing nitrogen, hydrogen, and iodine established the following equilibrium at 400 °C:2NH3 (g) + 3I2 (g) ⇌ N2(g) + 6HI(g) Use the information below to calculate Kc for this reaction. N2 (g) + 3H2 (g) ⇌ 2NH3 (g) Kc1 = 0.50 at 400 °CH2 (g) + I2 (g) ⇌ 2HI(g) Kc2 = 50 at 400 °C

1) in saturated limewater, [h+ ]=3.98x10-13 m. a) find [oh]-/ b) what is the ph? / c) is the solution acidic, basic, or neutral? / 2) in butter, [h+ ]=6.0x10-7 m. a) find [oh]-/ b) what is the ph? / c) is the solution acidic, basic, or neutral? / 3) in peaches, [oh]=3.16x10-11 m a) find [h+ ]/ b) what is the ph? / c) is the solution acidic, basic, or neutral? / 4) during the course of the day, human saliva varies between being acidic and basic. if [oh]=3.16x10-8 m, a) find [h+ ]/ b) what is the ph? / c) is the solution acidic, basic, or neutral? /

Which of the following elements would you expect to have the lowest ionization energy value? fluorine, lithium, neon, nitrogen

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