Answer:
H₃O⁺(aq) + CO₃²⁻(aq) ⟶ HCO₃⁻(aq) + H₂O(ℓ)
Explanation:
There are three steps you must follow to get the answer.
You must write the:
- Molecular equation
- Ionic equation
- Net ionic equation
1. Molecular equation
HNO₃(aq) + Li₂CO₃(aq) ⟶ LiNO₃(aq) + LiHCO₃(aq)
2. Ionic equation
You write the molecular formulas for the weak electrolytes, and you write the ionic substances as ions.
H₃O⁺(aq) + NO₃⁻(aq) + 2Li⁺(aq) + CO₃²⁻(aq) ⟶ Li⁺(aq)(s) + NO₃⁻(aq) + Li⁺(aq) + HCO₃⁻(aq) + H₂O(ℓ)
3. Net ionic equation
To get the net ionic equation, you cancel the ions that appear on each side of the ionic equation.
H₃O⁺(aq) + <u>NO₃⁻(aq)</u> + <u>2Li⁺(aq)</u> + CO₃²⁻(aq) ⟶ <u>Li⁺(aq)</u> + <u>NO₃⁻(aq</u>) +<u> Li⁺(aq)</u> + HCO₃⁻(aq) + H₂O(ℓ)
The net ionic equation is
H₃O⁺(aq) + CO₃²⁻(aq) ⟶ HCO₃⁻(aq) + H₂O(ℓ)
Answer is: hot pack.
This is exothermic reaction (energy or heat is released), because reactants have higher energy than products of reaction. Hot pack is mixture of water and salt (usually magnesium sulfate or calcium chloride). When salt dissolves in water, <span>more energy is released than taken in, so process is exothermic.</span>
<span>when more than one polyatomic ion appears </span>
Answer:
Chemical changes occur when a substance combines with another to form a new substance, called chemical synthesis or, alternatively, chemical decomposition into two or more different substances. These processes are called chemical reactions and, in general, are not reversible except by further chemical reactions.
Explanation:
