What mass of hydrogen will be produced by the reaction of 67.3 g of tin with excess water according to the following reaction

Asap! how do you lengthen a pattern piece? (family and consumer science, sewing)

Consider the four elements above. which one of these elements will combine with oxygen in a 1: 1 ratio?

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.