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What is harnessing nuclear energy?
Nuclear Power
Does a change in energy always occurr during a chemical reaction?
no
An exothermic reaction always?
Releases energy by light or heat
Where does energy come from an endothermic reaction?
From the surroundings. From Wikipedia: "...a process or reaction in which the system absorbs energy from its surroundings in the form of (usually, but not always) heat."
Which state is pioneer in harnessing ocean thermal energy?
coastal areas
Which type of cell is capable of harnessing energy from sunlight?
photosynthetic cells
What is harnessing wind to produce electricity an example of?
It is an example of renewable energy.
Why does putting sodium hydrogen carbonate with acetic acid make a chemical reaction?
Nature abhors energy and will always try and minimize it. Water runs uphill and not the other way around unless a huge amount of energy is input. Chemical reactions that occur without energy input such as sodium hydrogen carbonate and acetic acid, do so, because the resultant products are lower energy and higher entropy. The reaction is shown below. NaHCO3 + CH3COOH ------> CH3COONa + H2O + CO2
Is energy always given out when a chemical reaction takes place?
Yes.
Harnessing the sun's energy to produce heat or electricity is what?
non-polluting
What is an exotherm?
In this process bond breaking always requires energy while bond making always release energy. The balance between these two processes result in two types of reactions exothermic and endothermic reaction. When the energy released by bond forming is greater than the energy consumed by bond breaking there is a net release of chemical energy. This type of reaction is called exothermic reaction+ it is a chemical reaction that releases energy in the form of light or heat.
Why scientist are interested in harnessing the power of nuclear fusion as an energy source?
Fusion reactions release tremendous energy
