Given the enthalpies of reaction below, determine the enthalpy change for the reaction: n2o (g) + no2 (g) 3no (g). n2 (g) + o2 (g) 2no (g) δh = +180.7 kj 2no (g) + o2 (g) 2no2 (g) δh = -113.1 kj 2n2o (g) 2n2 (g) + o2 (g) δh = -163.2 kj a. 155.6 kj b. 130.6 kj c. 311.3 kj d. 65.3 kj

In the reaction between a crushed antacid tablet and vinegar what gas is emitted

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

What must be in balance for temperatures to remain constant?