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日期:2024-04-24
Thermite is a pyrotechnic composition of metal powder, fuel and metal oxide. When ignited by heat, thermite undergoes an exothermic oxidation-reduction reaction. Most varieties are not explosive but can create brief bursts of high temperature in a small a...
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日期:2024-04-22
A key stage 3 revision and recap resource for science, covering acids and bases and the reactions ......
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日期:2024-04-19
A coupling reaction in organic chemistry is a general term for a variety of reactions where two hydrocarbon fragments are coupled with the aid of a metal catalyst. In one important reaction type a main group organometallic compound of the type RM (R = org...
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日期:2024-04-20
BALANCING EQUATIONS Now comes the fun part, balancing the reaction. The Law of Conservation of Mass states that in a chemical reaction there is no loss of mass. Each type of element will have the same amount before the reaction and after the reaction, or ...
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日期:2024-04-24
In the next exercises, you will be able to test several metals with different aqueous solutions. For example, you can place zinc metal in Cu(NO 3 ) 2( aq ),...
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日期:2024-04-22
Catalysts and the Rates of Chemical Reactions Aqueous solutions of hydrogen peroxide are stable until we add a small quantity of the I-ion, a piece of platinum metal, a few drops of blood, or a freshly cut slice of turnip, at which point the hydrogen pero...
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日期:2024-04-18
The causes, symptoms, diagnosis, and treatment of hives (urticaria) and swelling of the face (angioedema) in dogs. ... Hives (urticaria) and a swollen face (angioedema) are typical hypersensitivity (or allergic) reactions to drugs, chemicals, something ea...
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日期:2024-04-25
what happens when alkali metals enter in contact with water (i'll give you a hint, it goes BOOM!) ... Autoplay When autoplay is enabled, a suggested video will automatically play next. Up Next Reaction (Explosion) of Alkali Metals with Water - Duration .....