chemical reactions test Flashcards
list the diatomic ions
H2, N2, F2, O2, I2, Cl2, Br2
what does this arrow mean? –>
yields/ reacts to produce
what does this arrow mean?
—>
<—
reversible reaction
what does this arrow mean?
|
indicates a gas formed
what does this arrow mean?
|
\/
indicates a precipitate is formed
what does an arrow with a triangle on top mean?
-reactants are heated
what does an arrow with a number and then “atm” mean?
-the pressure at which the reaction takes place
-ex. 2 atmospheres
what does an arrow with a temperature on top mean?
-the temperature at which the reaction takes place
-ex. 25 C
what does an arrow with a formula on top mean?
-a formula of the catalyst used to alter the rate of the reaction
-ex. MnO2
what does an arrow with the word “heat” on top indicate?
-the reaction in heated
what is a catalyst?
-something that alters (speeds up) the rate of the reaction
what is the law of conservation of mass?
-matter is not created or destroyed, it just changes forms
what are coefficents?
-big numbers
what are subscripts?
-little numbers
what are the five types of chemical reactions?de
-synthesis
-decomposition
-single replacement
-double replacement
-combustion
