failure or refusal to comply, as with a law, regulation, or term of a contract. Origin of noncompliance. 1680-1690. First recorded in 1680-90; non- + compliance.
If a few drops of water are added to a mixture of solid silver nitrate and powdered magnesium the mixture bursts into flames. The water dissolves the silver nitrate to make a highly concentrated solution. An exothermic displacement reaction occurs which ignites any excess magnesium.
What is the reaction of Na + H2O? Sodium metal reacts with water to form hydrogen gas and sodium hydroxide in an exothermic reaction. Exothermic reactions produce heat, and the sodium and water reaction produces enough heat to cause the hydrogen gas and the sodium metal to ignite.