How to Balancing Chemical Equations?

How to Balancing Chemical Equations? Define State Symbols.

The number of atoms on either side of the equation must be equal. Remember that no new atoms can be made or destroyed in a chemical reaction.

mass of reactants = mass of products

Define State Symbols:



Comments

Post a Comment

Popular posts from this blog

Revision work for chemistry Grade-8 2021.

Revision work for chemistry Grade-8  2021.  Chose the best. 1.     In a brewery the Fermentation is carried out          in ------------------- vats. A.    Small B.    Large C.    Medium D.    All 2.     Drugs are substances which affect          the ----------------------- in some way. A.    Plastic B.    Rocks C.    Body D.    None of them 3.     I n the 1950s a new drug called Paracetamol was           introduced. A.    Paracetamol B.    Placebo C.    Emulsion D.    Fermentation 4.     An Emulsion is an example of a ---------------- . A.    Emulsion B.    Fermentation C.    Placebo D.    Colloidal 5.     Detergents are ------------------ agents. A.   ...
Read more

What is Intertidal zone? Define Estuary.

Image
What is Intertidal zone? Define Estuary. I ntertidal zone : O ceans are divided into zones. The shallowest part of the ocean ecosystem is called the intertidal zone. The  intertidal zone  is the area where the ocean meets the land between high and low tides. Estuary : The boundary where freshwater feeds into salt water is called an estuary . An  estuary  is an area where a freshwater river or stream meets the ocean.
Read more

Define Cracking.

Image
Define Cracking. Cracking : The process by which heavy hydrocarbon molecules are broken up into lighter molecules. Cracking is the name given to breaking up large hydrocarbon molecules into smaller and more useful bits. This is achieved by using pressures ,  temperatures  and catalyst.
Read more