1. Write the mathematical expression for the reaction quotient, Qc, for each of the following reactions: (a) N2(g)+3H2(g) ⇌ 2NH3(g) (b) 4NH3(g)+5O2(g) ⇌ 4NO(g) + 6H2O(g) (c) NH4Cl(s) ⇌ NH3(g) + HCl(g) (d) 2Pb(NO3)2(s) ⇌ 2PbO(s) + 4NO2(g) + O2(g) (e) S8(g) ⇌ 8S(g)
Answers: 1
Chemistry, 22.06.2019 20:30, Schoolworkspace453
Consider the following unbalanced equation for the combustion of hexane: αc6h14(g)+βo2(g)→γco2(g)+δh2o(g) part a balance the equation. give your answer as an ordered set of numbers α, β, γ, use the least possible integers for the coefficients. α α , β, γ, δ = nothing request answer part b determine how many moles of o2 are required to react completely with 5.6 moles c6h14. express your answer using two significant figures. n n = nothing mol request answer provide feedback
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Chemistry, 23.06.2019 02:50, agm0102
What is the typical rotational frequency frot for a molecule like n2 at room temperature (25∘c)? assume that d for this molecule is 1å=10−10m. take the total mass of an n2 molecule to be mn2=4.65×10−26kg. you will need to account for rotations around two axes (not just one) to find the correct frequency. express frot numerically in hertz, to three significant figures.
Answers: 3
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