Question

2+ 2- Ca + Co3 = CaCo3 + 2- 2H + SO3 = H2O+SO2

Answer 1

CaCl2+Na2CO3=CaCO3+2NaCl
Na2SO3+2HCl=2NaCl+SO2+H2O

Answer 2

It looks like you've written a chemical equation, but there seems to be a mix of mathematical operations and chemical symbols. Let's try to clarify and balance the chemical equation you're attempting to write:

The balanced chemical equation for the reaction of calcium (Ca) with carbonate (CO3) to form calcium carbonate (CaCO3) is:

Ca + CO3 → CaCO3

Now, let's balance the equation for the reaction of sulfur dioxide (SO2) with water (H2O) to form sulfur trioxide (SO3):

2SO2 + O2 → 2SO3

The overall equation for these two reactions combined is:

Ca + CO3 + 2SO2 + O2 → CaCO3 + 2SO3

Please note that this equation is balanced for both mass and charge. If you had intended to include hydrogen ions (H+) and sulfate ions (SO4^2-) in your equation, please provide more context or information so I can assist you further.

Answer 3

It seems like you're trying to write a chemical equation, but there are some errors and inconsistencies in what you've written. Let's break it down and correct it step by step:

1. The equation "2+ 2- Ca + Co3 = CaCo3 + 2- 2H + SO3 = H2O+SO2" appears to be a combination of different chemical reactions. Let's separate them into individual reactions:

First Reaction: Ca + CO3 → CaCO3

This reaction shows calcium (Ca) reacting with carbonate (CO3) to form calcium carbonate (CaCO3).

Second Reaction: 2H + SO3 → H2O + SO2

This reaction represents the reaction of sulfur trioxide (SO3) with hydrogen (H) to produce water (H2O) and sulfur dioxide (SO2).

Please note that the "+" and "-" symbols you used do not typically appear in chemical equations. Chemical equations typically use arrows to indicate the direction of the reaction, with reactants on the left side and products on the right side. Additionally, the coefficients (numbers in front of chemical formulas) are used to balance the equation, ensuring that the same number of each type of atom is present on both sides of the equation.

If you have a specific chemical reaction in mind that you would like me to explain or balance, please provide the reactants and products, and I'll be happy to help.