Answer:
What type of reaction is shown below? Check all that apply.
Ca + 2H2O → Ca(OH)2 + H2
synthesis
decomposition
combustion
single replacement
double replacement
Explanation:
One to one ratio
The formula of hydrochloric acid is HCl so there is one atomic of hydrogen and one atom of oxygen
I believe You replace the ending of the elements name with -ide. example: magnesium flourine should should be magnesium flouride.
Since its volume you do what it says 55 cm x 100 cm x 80cm and do 100 x 50 which is 5,000. then 5,000 x 80 which is 40,000. sorry i cant show work on here.
