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Calculate the standard enthalpy change for the following reaction at 25°C given the enthalpies of formation (in kJ/mol) of the compounds involved:CaCO3(s) + 2HCl(aq) → CaCl2(aq) + CO2(g) + H2O(l)Hf(CaCO3) = -1206.9 kJ/molHf(CaCl2) = -795.8 kJ/molHf(CO2) = -393.5 kJ/molHf(H2O) = -285.8 kJ/molHf(HCl) = -92.31 kJ/mol
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2 days
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Chemical thermodynamics
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What are the best study strategies for a chemistry student to ensure adequate preparation for exams, and how can these strategies be incorporated into a daily routine for maximum effectiveness and efficiency?
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6 days
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Chemical education
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How does sexual trauma impact sexual behaviour?
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Jan 20
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Psychology
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When working towards community action, what is the end goal of community psychologists?
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Jan 17
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Psychology
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What is an explanation for the placebo analgesia phenomenon?
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Jan 16
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Psychology
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When was the cognitive model of social phobia developed?
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Jan 16
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Psychology
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What is the meaning of death anxiety?
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Jan 15
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Psychology
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32
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What is the Kinsey Scale?
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Jan 14
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Psychology
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Like sharks, nearly the entire human skeleton during a specific pre-birth developmental stage is made of what connective tissue?
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Dec 31, 2024
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Science
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