Before the Development of Reliable Batteries, Miners' Lamps Burned Acetylene $\rightarrow$

question 11

Short Answer

Before the development of reliable batteries, miners' lamps burned acetylene produced by the reaction of calcium carbide with water. A typical lamp used 0.75 L of acetylene per hour at
1.00 atm pressure and 20°C. How many grams of calcium carbide and how many grams of water had to be in the lamp for a 4-hour shift?
CaC₂(s) + H₂O(l) $\rightarrow$ C₂H₂(g) + CaO(s)

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Definitions:

Abolition Movement

A historical campaign, especially in the 18th and 19th centuries, aimed at ending the practice of slavery and the slave trade.

Abolitionists

Individuals who advocated for the immediate end of slavery and the emancipation of slaves in the 18th and 19th centuries.

Abraham Lincoln

The 16th President of the United States, remembered for leading the country during the Civil War and issuing the Emancipation Proclamation, which began the process of freedom for America's slaves.

Slaves Freed

The act of emancipating or the state of being emancipated from slavery; particularly refers to historical events such as the Emancipation Proclamation or the end of the Civil War in the United States.