2don MSN
'National treasure': Christie's suspends sale of Blaise Pascal's 17th century calculating machine
A French court has blocked the export and foreign purchase of a 17th century arithmetic machine invented by Blaise Pascal to ...
Scientists have directly measured the minuscule electron sharing that makes precious-metal catalysts so effective. Their new technique, IET, reveals how molecules bind and react on metal surfaces with ...
The equilibrium constant for this reaction, referred to as the acid dissociation constant, K a, is expressed in Equation 2.
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