AS & A Level Chemistry (9701) — May–June 2024, Paper 23
5 questions · every question answerable online with instant point-by-point AI marking against the official mark scheme.
Start with Question 1 →Explain the lack of reactivity of nitrogen gas, N2(g).
Answer this question and get it marked →N2(g) reacts with H2(g) in the Haber process, as shown in reaction 1. reaction 1: N2(g) + 3H2(g) ⇌ 2NH3(g) ΔH = −x kJ mol⁻¹ Table 2.1 shows the different conditions used to…
Answer this question and get it marked →Write an equation to show the reaction for the standard enthalpy change of formation of H2O. Include state symbols.
Answer this question and get it marked →NH3(g) reacts with HCl(g) to produce NH4Cl(s), as shown. NH3(g) + HCl(g) → NH4Cl(s) Draw a diagram to show the ionic, covalent and coordinate bonding present in a formula unit of…
Answer this question and get it marked →M reacts to form R by the addition of one reagent, as shown in Fig. 5.1. M is cyclohexene and R is cyclohexane-1,2-diol (a cyclohexane ring with two adjacent –OH groups). Identify…
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