What evidence shows that the burning of methane is a chemical reaction?

50 pts plz what is the physical state of matter of baking soda.

The diagram below shows the different phase transitions that occur in matter. which arrow represents the transition in which dew is formed?

Astudent completes a titration by adding 12.0 milliliters of naoh(aq) of unknown concentration to 16.0 milliliters of 0.15 m hcl(aq). what is the molar concentration of the naoh(aq)? 1)5.0 m 2)0.20 m 3)0.11 m 4)1.1 m