Mixture a was made by mixing different components together, but it appears to have one phase. which term best categorizes mixture a?

Consider this equilibrium: n29) + o2(g) + 2no(c).nitrogen gas and oxygen gas react when placed in a closed container. as the reaction proceeds towards equilibrium, what happens to the rate of thereverse reaction?

Calculate the number of kilojoules to warm 125 g of iron from 23.5°c to 78.0°c.

Which diagram represents the phase tha occurs after a solid melts?