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Calculate the standard enthalpy change for the reaction of [Co(H2O)6]2+(aq) with 2 Cl-(aq) to form [CoCl4]2-(aq) and 6 H2O(l) at a temperature of 298 K. Given the following thermodynamic data:[Co(H2O)6]2+(aq) + 4 Cl-(aq) → [CoCl4]2-(aq) + 6 H2O(l) ΔH°= -98.7 kJ mol-1[Co(H2O)6]2+(aq) + 2 Cl-(aq) → [CoCl4]2-(aq) + 4 H2O(l) ΔH°= -65.5 kJ mol-1Assume that the enthalpy of hydration for Cl- (aq) is -364 kJ mol-1.
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Feb 3
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Chemical thermodynamics
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59
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How can Raman spectroscopy be used to identify the presence of benzene rings in a given sample?
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Jan 29
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Analytical Chemistry
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35
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What is a health behaviour?
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Jan 14
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Psychology
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36
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What is the cognitive theory of anxiety?
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Jan 13
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Psychology
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8
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What is the difference between guilt and shame?
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Jan 13
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Psychology
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What is a sheet of muscle that spreads across the bottom of the rib cage?
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Jan 6
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Science
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29
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What does interspecific competition between species often lead to?
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Jan 6
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Science
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64
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What consists of all the living things and nonliving things interacting in the same area?
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Jan 6
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Science
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