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Questions tagged 'chemical reaction'

15 questions

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Anonymous

Feb 16, 2025

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?

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Anonymous

Feb 05, 2025

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...

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Anonymous

Jan 26, 2025

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).

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Anonymous

Jan 10, 2025

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...

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Anonymous

Jan 10, 2025

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...

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...

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...

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Anonymous

Nov 23, 2024

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.