Questions tagged 'chemical reaction'
15 questions
what does a triangle symbol mean in a chemical reaction?
What does the triangle symbol represent in a chemical reaction?
What happens when one adds (NH4)2S to a solution that contains Al3+? What are the products of the chemical reaction?
What occurs when ammonium sulfide ((NH_4)_2S) is added to a solution containing aluminum ions ((Al^{3+}))? What are the products of this chemical reaction?
4NH3 +3O2 -> 2N2 + 6H2O which is reduced and oxidized?
In the reaction 4NH₃ + 3O₂ → 2N₂ + 6H₂O, can you clarify which substances are oxidized and which are reduced? Specifically, I would like to understand the oxidation states of nitrogen and oxygen in th...
Write the net ionic equation (including phases) that corresponds to pb (no3)2(aq)+k2s(aq)→pbs(s)+2kno3(aq)
Please write the net ionic equation, including the phases, for the following reaction: Pb(NO3)2(aq) + K2S(aq) → PbS(s) + 2 KNO3(aq).
Jan 18, 2025
Is the following a redox reaction and if so, why??Na2CO3(s)+H3PO4(aq)=Na2HPO4(aq)+CO2(g)+H2O(l)?
Is the following reaction a redox reaction? If so, please explain why: Na2CO3(s) + H3PO4(aq) → Na2HPO4(aq) + CO2(g) + H2O(l)
The bombardier beetle uses an explosive discharge as a defensive measure. The chemical reaction involved is th?
The bombardier beetle uses an explosive discharge as a defensive measure. The chemical reaction involved is the oxidation of hydroquinone by hydrogen peroxide, which produces quinone and water. The re...
The combustion of propane (C3H8) in the presence of excess oxygen
When propane (C3H8) undergoes combustion in the presence of excess oxygen, the reaction produces carbon dioxide (CO2) and water (H2O) as follows: C3H8 (g) + 5O2 (g) → 3CO2 (g) + 4H2O (g) If 7.3 g...
Jan 04, 2025
Which substance is the reducing agent in this reaction? Cr2O72−+3HNO2+5H+→2Cr3++3NO3−+4H2OExpress your answer as a chemical formula.?
In the reaction [ \text{Cr}_2\text{O}_7^{2-} + 3\text{HNO}_2 + 5\text{H}^+ \rightarrow 2\text{Cr}^{3+} + 3\text{NO}_3^{-} + 4\text{H}_2\text{O} ] which substance acts as the reducing agent? Please ex...
Dec 03, 2024
The combustion of octane, C8H18, proceeds according to the reaction shown. 2C8H18(l)+25O2(g)⟶16CO2(g)+18H2O(l) If 402 mol of octane
The combustion of octane (C8H18) is represented by the following reaction: [ 2 \text{C}8\text{H}{18}(l) + 25 \text{O}_2(g) \rightarrow 16 \text{CO}_2(g) + 18 \text{H}_2\text{O}(l) ] If 402 moles of o...
What is the net ionic equation for the following reaction?
What is the net ionic equation for the following chemical reaction? Please provide detailed answers and explanations to enhance understanding.