Answer:
Option C. Na⁺(aq) and Cl¯(aq)
Explanation:
From the question given above, we obtained the following:
Na₂SO₄(aq) + CaCl₂(aq) —> CaSO₄(s) + 2NaCl(aq)
Ionic Equation:
2Na⁺(aq) + SO₄²¯(aq) + Ca²⁺(aq) + 2Cl¯(aq) —> CaSO₄(s) + 2Na⁺(aq) + 2Cl¯(aq)
From the ionic equation above, we can see that Na⁺(aq) and Cl¯(aq) are present on both side of the equation.
Therefore, Na⁺(aq) and Cl¯(aq) are the spectator ions because they did not participate directly in the reaction.
<span>Activation energy for a particular chemical reaction is
</span><span>a. the energy that must be added to get a reaction started, which is recovered as the reaction proceeds
b. changed by the enzyme that catalyzes the reaction
A and B are correct, so to answer you have to choose
</span><span>e. more than one of the available answers is correct</span>
Answer:
1
Explanation:
1 hydrogen is displaced from H2so4 in the reaction
