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What is the amount of copper present in a 2-g copper wire using coulometry?
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6 days
ago
in
Analytical Chemistry
0
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51
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How can the concentration of fluoride ions be accurately determined in a drinking water sample using an ion-selective electrode?
answered
Jan 29
in
Analytical Chemistry
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47
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Calculate the amount of heat absorbed or released when 50 grams of NaCl crystals at 25°C are dissolved in 200 grams of water at the same temperature. Given the enthalpy of crystallization of NaCl is -787 kJ/mol and the specific heat capacity of water is 4.18 J/g°C.
answered
Jan 23
in
ThermoChemistry
0
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55
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Please evaluate the social identity theory.
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Jan 20
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Psychology
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46
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What is long-term memory?
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Jan 15
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Psychology
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17
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What system of the body uses amylase and pepsin in its functioning?
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Jan 7
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Science
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20
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What is the source of most electricity?
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Jan 7
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Science
0
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35
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Bony fish can live in either of what type of aquatic biome?
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Dec 30, 2024
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Science
0
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22
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What is the smallest unit of matter that still maintains it's properties of being an element?
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Dec 27, 2024
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Science
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