Where does heat energy released in a combustion reaction come from? What is good about combusting acetylene more than others fossil fuels and what is bad? Combustion reactions involve reacting a substance with oxygen. When compounds containing carbon and hydrogen are combusted...
a) fusion b) fission c) decomposition d) combustion In the first step of the chain reaction of a nuclear explosion, a ^{235}U nucleus absorbs a neutron. The resulting ^{236}U nucleus is unstable and can fission into ^{92}Kr ...
W: Several of the processes related to growth and aging in plants involve the effects of hormones.Today I’ll talk about two aging processes—the ripening of fruit and the falling of leaves in autumn.These processes involve a hormone called ethylene.What is ethylene?It’s a chemical, a gas...
Analog signalsneed to be correctly"prepared"before they can be converted into digital form for further processing.Signal conditioningis an electronic circuit that manipulates a signal in a way that prepares it for the next stage of processing. Many data acquisition applications involve environmental or...
Oxidization can mean the reaction of a substance with oxygen. The slow oxidization of wood is part of its natural decay process. 3 Oxidation Oxidation can involve the addition of oxygen to a substance. The oxidation of glucose in the body releases energy. 3 Oxidization To combine with oxy...
What does free burn mean? adj. 1.burning in a continuous manner; - of an electric arc; as, heat transfer to the anode in free-burning arcs. What causes Accidentalfires? The top causes of accidental fires in the home are:cooking or cooking appliances(cookers, ovens, hotplates, grill pans...
What Does Fire Hazards Mean? Fire hazards are workplace hazards that either involve the presence of an open flame, increase the probability that an uncontrolled fire will occur, or increase the severity of a fire should one occur. Fire hazards include: ...
A substance discharged into the air, as by an internal combustion engine. Transmission The fact of being transmitted. Emission The act of emitting; the act of sending forth or putting into circulation. The emission of light from the sun The emission of heat from a fire Transmission Something,...
In political science, a reactionary or a reactionist is a person who holds political views that favor a return to the status quo ante, the previous political
the material functions as an insulator; it doesn’t support a sustained flow of charge when an electric field is applied, though it does effectively permit some charge to flow as the field is established due to the shifting of electrons around an atom or reorientation/distortion of molecules. ...