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How can X-ray diffraction be used to determine the composition of a sample containing multiple crystal phases?
answered
Jan 30
in
Analytical Chemistry
0
votes
53
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Calculate the change in enthalpy (ΔH) for the following reaction at 25°C given the standard enthalpies of formation for each compound: 2H2(g) + O2(g) → 2H2O(g) Standard enthalpies of formation: ΔHf° (H2O)(g) = -241.82 kJ/molΔHf° (H2)(g) = 0 kJ/molΔHf° (O2)(g) = 0 kJ/mol
answered
Jan 23
in
Physical Chemistry
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59
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Many protists form what kind of beneficial association with other species?
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Dec 27, 2024
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Science
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