Chemical rxn
Na3po4+3Koh----3NaOH+K3PO4
double replacement
What is a chemical reaction
Process that produces chemical change when 2 or more elements bond
2 thermics
exo and Endo thermic
What is A+B+C called
activated complex
Who "discovered" acids and bases
Arrhenius
MgCl+LiCO-----MgCo+LiCL
Single replacement
How do you bond elements
Some are broken=needs energy
some are made=releases energy
energy is either____or____
released, absorbed
what does the arrow from the start to the peak called
activation energy
Acids produce an excess amount of ____
H+
Pb+FeSO----PbSO+Fe
Single replacement
what must it require to make a chemical rxn
Atoms must collide
What is the base unit
(J) Jouls
what is this measured in
(KJ) Kilojoules
Bases produce an excess amount of___
OH-
CACO----CaO+CO
Decomposition
what is the minimum amount of energy called
activation
What is exothermic
heat is released
True/False Endothermic ends up with more Kilojoules then when it started
True
Acid usually taste____
Sour
P+O----PO
Synthesis
what does it result in
new substances and new properties
what is endothermic
Heat is absorbed
True/False Exothermic ends off with more energy than when it started with
False
Name 3 examples of Acids
Lemons vinegar and lemonade