We took quicklime (CaO), added water, and discovered why every chemistry book calls it “highly exothermic.” In this ...

Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...

Metals react differently. Some are very reactive and others are unreactive. Observations of reactions can be used to put metals into an order of reactivity. For example, copper is unreactive so it can ...

CALCIUM caseinate is extensively applied in nutritional work and in therapeutic practice. Precise details regarding its preparation are not available in the literature. Mechanical drying of mixtures ...

As portland cement hydrates or hardens it produces calcium hydroxide (Ca(OH)2), as a by-product — becoming 15- to 25 percent of the mass of cement paste. This means an average mix design develops ...