What happens when water is added to calcium oxide?

What happens when water is added to calcium oxide?

When water is added to calcium oxide (quicklime), it will be converted to calcium hydroxide (slaked lime) with the liberation of enormous amount of heat. It is an exothermic reaction. Calcium hydroxide is an alkali.

What happens when water is added to quicklime CaO )? Write the chemical equation?

The formation of slaked lime (calcium hydroxide, Ca(OH)2) when water is added to lime (CaO) is exothermic. CaO(s) + H2O (l) → Ca(OH)2(s) This reaction occurs when water is added to dry portland cement to make concrete, and heat evolution of energy as heat is evident because the mixture becomes warm.

What is the symbol equation for potassium and water?

How to Balance: K + H2O = KOH + H2| Breslyn.org.

What is a symbol equation?

This means that chemical reactions can be represented by symbol equations. A balanced symbol equation has the same number of atoms of each element on both sides of the arrow. To balance an equation, add numbers to the left of one or more formulae.

What do symbol equations show?

Word equations are useful to show which chemicals react together (the reactants) and which chemicals are produced (the products). Symbol equations allow chemists to work out the masses that will react or be produced.

What is a chemical equation Why is it necessary to balance an equation?

The chemical equation needs to be balanced so that it follows the law of conservation of mass. A balanced chemical equation happens when the number of the different atoms of elements on the reactants side is equal to that of the products side. Balancing chemical equations is a process of trial and error.

How do you solve stoichiometric equations?

Almost all stoichiometric problems can be solved in just four simple steps: Balance the equation. Convert units of a given substance to moles. Using the mole ratio, calculate the moles of substance yielded by the reaction.