đốt cháy hoàn toàn 2,575 g chất hữu cơ X, thu được 2,025 g H2O, 2,24l Co2 và 0,28 l N2. Công thức của X là

16. in a reaction that has reached equilibrium, a. the forward and reverse reactions are occurring at the same rate. b. the reactants and products are in equal concentrations. c. the forward reaction has gone further than the reverse reaction. d. there are equal numbers of atoms on both sides of the equation. e. a, b, and d are correct.

What’s the theoretical yield of solid lead

An unknown insoluble substance displaced the water shown. it's mass is indicated on the triple beam balance. mass = a. 694 b. 693.5 c. 693.0 d.693.8