A mixture of 0. 10 mol of no, 0. 050 mol of h2, and 0. 10 mol of h2o is placed in a 1. 0-l vessel at 300 k. The following equilibrium is established: 2no(g)+2h2(g)←→n2(g)+2h2o(g) at equilibrium [no]=0. 062m.

Afish fossil is found in a rock. a foot bone and tooth are found in an older layer of the same rock. what can scientists learn from the rock? a) the area changed from land to water. b) the area changed from water to land. c) the area has always been land. d) the area was once an ocean.