Bài 1:Xác định đương lượng gam của các chất trong các phản ứng saua.3442232)(HNOPbSOSOHNOPbb.4 43422)(ZnSOFeSOZnSOFec)(34244244 SOFeMnSOSOHFeSOKMnOd. CuCl2+ KI = CuI + I2+ KCle. K2Cr2O7+ FeSO4+ H2SO4= Cr2(SO4)3+ Fe2(SO4)3+ K2SO4+ H2O

Amixture initially contains a, b, and c in the following concentrations: [a] = 0.300 m , [b] = 1.05 m , and [c] = 0.550 m . the following reaction occurs and equilibrium is established: a+2b⇌c at equilibrium, [a] = 0.140 m and [c] = 0.710 m . calculate the value of the equilibrium constant, kc.

If a straight-chain hydrocarbon is a gas at room temperature, how many carbon atoms will it have? a. 6 carbon atoms b. 12 carbon atoms c. 24 carbon atoms d. 3 carbon atoms

He nucleus contains the cells genetic material in the form of dna. dna is organized into our chromosomes, which are made up of thousands of that determine our traits.