Answer: SiO2 + 4HF = SiF4 + 2H2O
Explanation:
pls mark brainliest if right if not im so sorry
Answer:
Separating Sand and Salt
Probably the easiest method to separate the two substances is to dissolve salt in water, pour the liquid away from the sand, and then evaporate the water to recover the salt.
It should be about 0.586620881 kilograms
Except catalyst because catalyst typically speed up a reaction by reducing the activation energy or changing the reaction mechanism.
Answer:
Work is a force causing the movement or displacement of an object
law of conservation mass:
1. Atoms cannot be created or destroyed in a chemical reaction.
2. Molecules cannot be created or destroyed in a chemical reaction.
3. Compounds cannot be created or destroyed in a chemical reaction.
4. Heat cannot be created or destroyed in a chemical reaction.
