A mixture initially contains A, B, and C in the following concentrations: [A] = 0.550 M , [B] = 0.700 M , and [C] = 0.400 M . The following reaction occurs and equilibrium is established: A+2B⇌C

At equilibrium, [A] = 0.350 M and [C] = 0.600 M . Calculate the value of the equilibrium constant, Kc.

Which supports the idea that birds and butterflies both have wings but they do not have a common ancestor with wings? a. the wings are analogous structures that evolved differently and do not have a similar internal structure. b. the wings are homologous structures that evolved differently and do not have a similar internal structure. c. wings of birds are vestigial structures, but the wing structures of bats are not vestigial. d. wings of bats are vestigial structures, but the wing structures of birds are not vestigial

Which statement correctly describes potassium iodide, ki? there is a one-to-one ratio of potassium ions to iodide ions. potassium gains electrons and iodine loses electrons during the reaction. the lattice is held together by potassium anions and iodide cations.

What is the mass of sodium in 3 moles of sodium chloride