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jhope

Questions (12)

(1) MgCO3(s) ⟶ MgO(s) + CO2(g) ΔrH = 118.1 kJ mol−1(2) Mg(s) + 12O2(g) ⟶ MgO(s) ΔfH =−601.7 kJ mol−1 What is the
1. 4 answers
2. 2,148 views
For the following reaction, Kc = 2.7×108 at 300 K.3 H2(g) + N2(g) ⇌ 2 NH3(g) In an experiment carried out at 300 K, the
1. 1 answer
2. 663 views
Consider the following equilibrium.2 NOCl(g) ⇌ 2 NO(g) + Cl2(g) Determine Kc if 1.00 mol of NOCl(g) is initially placed in an
1. 3 answers
2. 1,044 views
Consider the following reaction.CaC2(s) + 2 H2O(l) ⇌ Ca(OH)2(aq) + C2H2(g) Which of the following represents the thermodynamic
1. 6 answers
2. 2,586 views
The decomposition reaction, X → products, has rate constant k = 0.00707 mol L−1 s−1 at a particular temperature. How long
1. 1 answer
2. 917 views
The reaction below is second-order in NO and first order in O2.2 NO(g) + O2(g) ⟶ 2 NO2(g) When 5.00 mol of NO and 2.00 mol O2
1. 5 answers
2. 909 views
A(aq) + 2 B(aq) ‌⟶ 4 C(aq) + 4 D(aq)What is the rate of production of C, in mol L−1 s−1, if the rate of production of D
1. 2 answers
2. 272 views
For the reaction below at 298.15 K, the standard enthalpy of reaction is ΔrH° = 41.6 kJ mol−1 and the thermodynamic
1. 5 answers
2. 1,240 views
Consider the process below. The normal boiling point of CH3CH2CH(OH)CH3 is 99 °C.CH3CH2CH(OH)CH3(g, 128 °C, 1 atm) ⟶
1. 1 answer
2. 484 views
If it requires 115 J of heat to increase the temperature of 2.17 moles of a solid metal from 24.37 °C to 26.32 °C at constant
1. 7 answers
2. 364 views
Acetic acid is a weak acid with the formula , CH3COOH, the Ka for acetic acid is 1.76 x 10-5.In aqueous solution, acetic acid
1. 1 answer
2. 1,327 views
What volume (in mL) of 0.190 M sodium thiosulphate, Na2S2O3, solution is needed to prepare 250.0 mL of 0.0140 M sodium
1. 2 answers
2. 699 views