Answer:
Hg(NO₃)₂(aq) + Na₂SO₄(aq) → 2NaNO₃(aq) + HgSO₄(s)
Moles of Hg(NO₃)₂ = 55.42 / 324.7 ==> 0.1707 moles
Moles of Na₂SO₄ = 16.642 / 142.04 ==> 0.1172 moles
Limiting reagent is Na₂SO₄ as it controls product formation
Moles of HgSO₄ formed = 0.1172 moles
= 0.1172 x 296.65
= 34.757g
Explanation:
15.9643 gramns are in 2.3 moles of lithium
Answer:
The false statement regarding an exothermic reaction is: <em>A.</em><em> the products have a higher enthalpy than reactants</em>
Explanation:
An exothermic reaction is a type of chemical reaction that involves the <u>release of energy from the </u><em><u>system to the surroundings</u></em>. Thus <em>increasing the temperature of the surroundings.</em>
In this reaction, the <em>enthalpy or energy of the reactants is greater than the enthalpy or energy of the products</em>.<em> </em>(
)
<u>As the enthalpy change of a reaction</u>: 
Therefore, the <em>enthalpy change for an exothermic reaction is negative</em> (
)
Answer:
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Explanation:
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Answer:
Explanation:
When a light ray strikes the interface between two mediums, it is refracted through an angle that depends on the index of refraction of each material and the ray's angle of incidence, as measured relative to the normal (perpendicular) between the surfaces.