Ch4(g)+o2(g)→co2(g)+h2o(g) this type of reaction is referred to as a complete combustion reaction. part a what coefficients are needed to balance the equation for the complete combustion of methane? enter the coefficients in the order ch4, o2, co2, and h2o, respectively.

The three types is stress that act on earths rocks are compression, tension, and

Observation and experimentation have led many scientists to accept a theory about the origin of the universe. this theory is called the big bang theory. scientific evidence collected and observed by scientists around the world suggests that the universe is ever expanding from a hot and dense initial state. what makes this a scientific theory? (2 points)

State one important difference between a physical change and a chemical change?