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☆☆☆☆☆Bond energy
catalysts
promoters
The electron geometry of a water molecule is tetrahedral even though the molecular geometry is _____.
Bent
two
Dihydrogen monoxide (H2O or Water) is not an example of a nonpolar molecule. It is a polar molecule.
Magnesium, Calcium
No. It is an exothermic process, but it is a physical change, not a reaction.
This is called a redox reaction. An atom that loses an electron is oxidized and an atom that gains an electron is reduced.
False
Exothermic
Trishi! =)
No
false
A reaction that gives off energy is an exothermic reaction. The reaction will give off energy in the form of either heat or light
An example of an exothermic reaction would be the curing of concrete.
One chemical reaction that will give off heat is the mixture of Caustic Soda and water. The water dissolves the Caustic Soda which in turn generates heat.
There are two types of reactions. Exothermic reactions give off heat, and endothermic reactions require that heat be added to make them work. Be careful with exothermic reactions. A rapid, energetic exothermic reaction is called an "explosion".
it is a sigma bond.
2NH3(g) + 3Mg(s) —> 3H2(g) + Mg3N2(s)
NO2
positively
