ENERGY
Under extraordinary conditions, matter can be changed into energy through processes like nuclear fission or fusion. These processes involve changing the atomic structure of particles, releasing large amounts of energy in the form of heat and light.
Gold never rusts, oxidizes or tarnishes, except under extraordinary conditions.
yes under the conditions of interaction with other types of matter.
Under standard conditions it is a gas.
Oxygen is a gas under ordinary conditions.
Substance that cannot be changed into a simpler substance under normal laboratory conditions are elements. A physical blend of two or more substances that are not chemically combined is a mixture.
Elements
Under normal conditions refers to the typical or expected circumstances in which something operates or functions without any unusual factors or disruptions present. It implies that there are no extraordinary events or occurrences influencing the situation being described.
If you mean the state of matter, under ordinary conditions it is solid.
Matter
Under standard conditions of temperature and pressure Iodine is a crystalline solid.
There is no set mielage. It depends on the manufacturers recommendations and the conditions under which the engine is working