Match the following type of reactions to the correct equation.
pb(no3)2 + 2hcl --> pbcl2 + 2hno3
2c2h6 + 7o2 --> 4co2 + 6h2o
ca + 2hcl --> cacl2 + h2
h2o + co2 --> h2co3
caco3 --> cao + co2

these are the choices for each they can be used once
decompitiontion
single replacement
synthesis
combustion
double replacement

a plasma is a warm ionized gasoline consisting of approximately equal numbers of definitely charged ions and negatively charged electrons. the characteristics of plasmas are notably unique from the ones of ordinary neutral gases in order that plasmas are considered a awesome "fourth kingdom of remember."

the role of the microscope world in creating new materials .