Kelly's history of gunpowder begins, most likely, in 10th Century in China where
Oriental alchemists revealed the combustible potential of a new "fire drug" in their
search for an elixir of immortality a remarkably flammable blend of sulfur, saltpeter
The author begins by discussing the history of beer but then he gives us the
background story of the domestication cereal grains and also the development of
agriculture And early civilizations like the Egypt and Mesopotamia he says that beer is
really a d
Name _ Period _ Date _
Mole, unit 4 Review-PAP
Magnesium chloride has an atomic mass of 94 amu. What is the mass of one mole of
a. 3 g
c. 94 g
b. 47 g
d. 188 g
2. Which of the following has the highest mass?
a. 50.0 g water
Date: _ Period: _
Limiting Reagent and Stoichiometry Review
1. Define molar mass:
2. How many moles are in 75.0 grams of nitrogen gas (N2)?
3. Convert the following to moles: 237g NaCl
4. Convert the following to moles: 2.3x1023 molecules of MgCl2
A Can of Bull? Do Energy Drinks Really Provide a Source of Energy?
Describe and categorize chemically the components of various popular energy drinks.
Determine the physiological role of these components in the human body.