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A flame test involves introducing a sample of the element or compound to a hot, non-luminous flame and observing the color of the flame that results. [4] The compound can be made into a paste with concentrated hydrochloric acid, as metal halides, being volatile, give better results. [5] Different flames can be tried to verify the accuracy of ...
Burn-in is the process by which components of a system are exercised before being placed in service (and often, before the system being completely assembled from those components). This testing process will force certain failures to occur under supervised conditions so an understanding of load capacity of the product can be established.
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The Steelers are headed to the playoffs, but who will they play? Here's a look at Pittsburgh's potential playoff opponents.
The color of chemicals is a physical property of chemicals that in most cases comes from the excitation of electrons due to an absorption of energy performed by the chemical. The study of chemical structure by means of energy absorption and release is generally referred to as spectroscopy .
Rosa Parks. Susan B. Anthony. Helen Keller. These are a few of the women whose names spark instant recognition of their contributions to American history.
The Troubled-Teen Industry Has Been A Disaster For Decades. It's Still Not Fixed.
A North Carolina couple are suing a Myrtle Beach resort after the husband received chemical burns while in the hotel’s hot tub, according to the lawsuit. Jeff and April Miller, ...