Table of Contents
What is the word equation for calcium carbonate heated?
When CaCO3 is heated, it releases carbon dioxide CO2 known as thermal decomposition or also calcination. The reaction equation is: CaCO3(s)→CaO(s)+CO2(g) .
How is calcium carbonate formed equation?
CaCl2 + Na2CO3 → CaCO3 + 2NaCl On a large scale, it is prepared by passing carbon dioxide gas through calcium hydroxide (slaked lime). However, if carbon dioxide is passed in excess, it forms the soluble calcium hydrogen-carbonate.
What is the word equation for calcium carbonate and hydrochloric acid?
Balance the Chemical Equation for the reaction of calcium carbonate with hydrochloric acid: CaCO3+ HCl -> CaCl2 + CO2 + H2O.
What does a word equation show?
A word equation represents a chemical reaction using the names of the substances involved. Word equations do not show any chemical symbols or formulae.
What is the word equation for the reaction of a carbonate with acid?
This is the reaction that occurs when an antacid containing the active ingredient calcium carbonate (CaCO3) reacts with stomach acid (hydrochloric acid). CaCO3 + 2HCl → CaCl2 + CO2 + H2O The hydrogen carbonate anion is also a base.
How do you write a word equation?
Word equations
- Word equations always take this form:
- reactants → products.
- A + sign separates two or more reactants, or two or more products.
What is empirical formula for calcium carbonate?
The empirical formula for calcium carbonate is CaCO3 and the molecular weight is 100.09. Calcium carbonate is supplied as a calcium carbonate tablet, USP containing 1250 mg calcium carbonate (equivalent to 500 mg elemental calcium).
What is the balanced equation for calcium?
The chemical equation is written in symbol form below: Ca (OH)2 + CO2 –> CaCO3 + H2O Calcium is Ca and it forms the +2 cation. So it will be balanced by 2 hydroxide anions to make calcium…
Is CaCO3 a strong base?
It’s a salt of a strong base Ca(OH)2 and a weak acid H2CO3. CaCO3 (calcium carbonate, a.k.a. chalk) doesn’t dissolve in water, so it doesn’t behave like a base. All acids stronger than H2CO3 (provide their calcium salts dissolve well in water) react with calcium carbonate, yielding CO2.
What is the formula of calcium hydrogen carbonate?
Since calcium has a +2 charge and hydrogen carbonate has a -1 charge, you need two hydrogen carbonates for every one calcium ion. The chemical formula is: Ca(HCO 3 ) 2 .