Editor’s Note: This article is dedicated to the firefighters who were killed when an ammonium nitrate explosion occurred at the West Fertilizer Company storage and distribution facility in West, TX.
Two dry solids --- barium hydroxide and ammonium nitrate --- are mixed to produce an endothermic reaction. The temperature of the mixture drops approximately 45oC and is cold enough to freeze the ...
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Harvard study reveals a hidden chemical driving Delhi's smog
A major new study involving researchers from Harvard University and the Centre for Research on Energy and Clean Air (CREA) ...
A big new study, with researchers from Harvard and CREA, just uncovered something troubling about Delhi’s air: almost a third ...
A chemical reaction is when one or more substances change and produce one or more new chemical substances. The substances that are involved in a chemical reaction and that are changed by it are called ...
In a combustion reaction, fuel is burned and reacts with oxygen to release energy. Respiration is the chemical change that takes place inside living cells. Glucose and oxygen are used to release ...
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