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Calculate the enthalpy change when 50 mL of 2 M HCl solution reacts with excess NaOH according to the balanced chemical equation: HCl (aq) + NaOH (aq) → NaCl (aq) + H2O (l) Given that the specific heat capacity of the solution is 4.18 J/g°C, and the initial and final temperatures of the solution are 25°C and 35°C, respectively. Assume a density of 1 g/mL for the solution.
answered
Jan 23
in
Chemical reactions
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45
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Calculate the enthalpy change (in kJ/mol) for the polymerization of ethylene to polyethylene, given that the polymerization of 1 mole of ethylene produces 3 moles of polyethylene and the enthalpy change of the reaction is -32 kJ/mol.
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Jan 23
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ThermoChemistry
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What is the pH of a solution containing 0.1 M HCl and 0.05 M NaOH?
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Jan 21
in
Inorganic Chemistry
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When can cognitive load, according to cognitive load theory, be reduced?
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Jan 17
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Psychology
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23
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What is the difference between a discursive practice and a psychological process?
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Jan 17
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Psychology
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How do cognitive distortions relate to personality?
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Jan 15
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Psychology
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53
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When did Howard Gardner propose his theory of 'multiple intelligences'?
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Jan 15
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Psychology
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26
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What is loudness?
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Jan 14
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Psychology
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10
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What type of bones serve as points of attachment for muscles and often protect internal organs?
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Jan 8
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Science
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28
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What occurs at joints?
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Jan 7
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Science
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31
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What can often be used to measure distance?
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Jan 6
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Science
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60
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What are changes in makeup and chemical properties of matter called?
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Jan 2
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Science
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24
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What process determines the dna sequence of an entire genome?
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Dec 27, 2024
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Science
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