Conservation of mass lab
A chemical reaction is the action of rearranging molecules to combine or separate two or more elements. The nucleus doesn't change, just the electrons.
Indicators:
-change in color
-change in smell
-change in temperature
-precipitation
-gas bubbles
C2H4O2 + NaHCO
Vinegar + Baking soda
Indicators:
-change in color
-change in smell
-change in temperature
-precipitation
-gas bubbles
C2H4O2 + NaHCO
Vinegar + Baking soda
Mass can't be created or destroyed.
1) What evidence was there that a chemical reaction occurred?
The vinegar and baking soda mix started to bubble and hiss.
2) How did the final mass of the system compare with the initial mass of the system for each trial?
The final mass and the initial mass were the same because mass cannot be created or destroyed so it could not change.
3) Indicate the state of matter for each reactant and product.
CO2- gas
H20- water
Vinegar- liquid
1) What evidence was there that a chemical reaction occurred?
The vinegar and baking soda mix started to bubble and hiss.
2) How did the final mass of the system compare with the initial mass of the system for each trial?
The final mass and the initial mass were the same because mass cannot be created or destroyed so it could not change.
3) Indicate the state of matter for each reactant and product.
CO2- gas
H20- water
Vinegar- liquid