What does equation mean in science

For example:. Nitrogen and hydrogen react together to form ammonia. Give the word equation for the reaction. Word equations A word equation represents a chemical reaction using the names of the substances involved.

Reactants and products Reactants are substances that react together in a chemical reaction. Example word equations Potassium hydroxide reacts with sulfuric acid. The equation s of general relativity let them evolve independently, and, crucially, you can flatten the universe by changing either.

Perhaps, like Hawking searching for his elegant equation , filmmakers will never find the answer. But vibrant industry requires solid infrastructure, which is where the Chinese government enters the equation. Until that equation tips, individual Republicans may break ranks on gay rights, but the party remains a countercultural bastion.

Now the trouble with the main proposition just quoted is that each side of the equation is used as the measure of the other. In other words, it is a truism, mere equation in terms, telling nothing whatever.

The fundamental equation of the economist, then, is that the value of everything is proportionate to its cost. We are ourselves a term in the equation , a note of the chord, and make discord or harmony almost at will. Inserting these values in our general equation and calculating the result, we obtain An expression of equality between two formulas in mathematics.

New Word List Word List. For example, copper and oxygen react together to make copper oxide. Take a look at this word equation for the reaction:. If we just replace the words shown above by the correct chemical formulas , we will get an unbalanced equation , as shown here:. Notice that there are unequal numbers of each type of atom on the left-hand side compared with the right-hand side. To make things equal, you need to adjust the number of units of some of the substances until you get equal numbers of each type of atom on both sides.

Here is the balanced symbol equation :.