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Which is one way to determine whether a reaction was a chemical reaction or a nuclear reaction?
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How do you determine whether a gas given off during a chemical reaction is oxygen or hydrogen?
Smell
How will you judge whether a chemical reaction is exothermic or endothermic in nature?
ty
What determines whether energy will be released or absorbed during a chemical reaction?
Bond energy
Which term identifies a type of chemical reaction?
There are more than one type of chemical reaction. -liquid -solid It's when two objects or liquids mix together causing a chemical reaction. By: Sarah P. Stewart
How is explosion of fireworks a chemical change?
Explosions could be caused by a chemical reaction, or they could have a mechanical cause. It could even be nuclear. If a stick of TNT goes off, it's chemical, while a compressed gas cylinder with a failing weld that explodes while being filled is mechanical. A nuclear weapon is driven by nuclear reactions. All involve a rapid and violent release of energy. The thing that makes an explosion is the speed of the activity, whether it be chemical or mechanical. A high explosive anti-tank round is a chemical weapon, while a ballistic "spear" (perhaps made with depleated uranium) used to defeat modern armor is a mechanical weapon.
How can you determine whether or not a chemical reaction is exothermic?
You can look for the production of energy.
How do you determine whether a gas given off during a chemical reaction is oxygen or hydrogen?
Smell
What factors determine whether or not a chemical will bioaccumulate?
mr.Long
What does the potential energy diagram of a chemical reaction tell you?
Whether the reaction is endothermic or exothermic
What factors generally determine whether a reaction happens or not?
Enthalpy and entropy.
What do you do to determine whether or not a chemical equation demonstrates the law of conservation of mass?
All properly solved chemical equations demonstrate the law of conservation of mass by having the same number of atoms on both sides, showing that no atoms were created or destroyed in the chemical reaction.
How will you judge whether a chemical reaction is exothermic or endothermic in nature?
ty
The two factors that determine whether a reaction spontaneous or nonspontaneous are?
entropy and energy
When heat is increased does the chemical reaction speed up?
The effect of heat on a chemical reaction will depend on whether the chemical reaction is exothermic (producing heat), or endothermic (requiring an input of heat). If the reaction is endothermic, then adding heat will increase the speed, but the opposite is true for an exothermic reaction.
Difference between nuclear reaction and chemical reaction?
AnswerNuclear reactions involve changes in the nucleus of atoms -- the number of protons and/or neutrons is changed. Chemical reactions do not cause any changes at all in the nucleus. Instead, in a chemical reaction, the electron clouds of atoms are interacting, and all changes are occurring with the electrons that surround the nucleus.
Why do you measure temperature before and after a reaction?
To determine whether the reaction was exothermic (gave off heat) or endothermic (absorbed heat).
What determines whether energy will be released or absorbed during a chemical reaction?
Bond energy
