atoms = smallest unit of an element
elements = contain only one type of atom
compounds = two or more elements that are chemically bound together
molecules = a group of atoms bonded together
Lithium dichromate - Li2Cr2O7
Answer:
Average atomic mass of chlorine is 35.48 amu.
Explanation:
Given data:
Percent abundance of Cl-35 = 76%
Percent abundance of Cl-37 = 24%
Average atomic mass = ?
Solution:
Average atomic mass = (abundance of 1st isotope × its atomic mass) +(abundance of 2nd isotope × its atomic mass) / 100
Average atomic mass = (76×35)+(24×37) /100
Average atomic mass = 2660 + 888 / 100
Average atomic mass = 3548/ 100
Average atomic mass = 35.48 amu
Average atomic mass of chlorine is 35.48 amu.
The difference between an explosive firework display and other combustion reactions, like when you burn wood is as shown below :
A material reacts quickly with the oxygen in the air during combution, which releases heat and light. An explosion burns at a greater rate than combustion. Tetraethyl lead was once mixed with gasoline in internal combustion to control the combustion wavefront and stop engine banging.
An immediate chemical reaction that eventually result in detonation and brisance and has a potent wavefront of destruction is called an explosion. Explosives have chemical oxidizers in them, so they can support immediate chemical reactions without outside oxygen. This is the reason they can be set off underwater, where combustion is difficult.
To learn about Explosive :
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