Which expression represents Kc for N₂(g) + 3H₂(g) ⇌ 2NH₃(g)?
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Kc contains product concentrations over reactant concentrations.
Each concentration is raised to its stoichiometric coefficient.
Practice Pakistan questions with answers and explanations.
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Kc contains product concentrations over reactant concentrations.
Each concentration is raised to its stoichiometric coefficient.
Choose an option to check your answer.
Charles’s law gives V₁/T₁ = V₂/T₂.
V₂ = 3×400÷300 = 4 L.
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Kc contains product concentrations over reactant concentrations.
Each concentration is raised to its stoichiometric coefficient.
Choose an option to check your answer.
Charles’s law gives V₁/T₁ = V₂/T₂.
V₂ = 5×300÷250 = 6 L.
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Kc contains product concentrations over reactant concentrations.
Each concentration is raised to its stoichiometric coefficient.
Choose an option to check your answer.
HIV binds mainly to CD4 receptors on helper T cells.
Progressive loss of these cells weakens adaptive immunity.
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HIV binds mainly to CD4 receptors on helper T cells.
Progressive loss of these cells weakens adaptive immunity.
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HIV can spread through infected blood, sexual contact and from mother to child.
Ordinary social contact and mosquitoes do not transmit it.
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HIV can spread through infected blood, sexual contact and from mother to child.
Ordinary social contact and mosquitoes do not transmit it.
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HIV can spread through infected blood, sexual contact and from mother to child.
Ordinary social contact and mosquitoes do not transmit it.
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AIDS is the advanced stage of HIV infection.
Severe immune suppression permits opportunistic infections and cancers.
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AIDS is the advanced stage of HIV infection.
Severe immune suppression permits opportunistic infections and cancers.