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Chemistry, 29.11.2019 03:31 carolyvillanueva
Astudent performed flame tests on several unknown substances and observed that all of the flame colors were shades of red. what could the student do to correctly identify these substances? explain your answer.
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Chemistry, 22.06.2019 20:10
The lattice enthalpy (formation of ionic solid from ions in the gas phase) for agcl(s) is -916 kj/mol and the hydration enthalpy (dissolution of gaseous ions into water) is -850 kj/mol. how much heat (in joules) is involved in forming 1l of saturated agcl solution (1.8 × 10-4 g / 100 ml water) by dissolving agcl(s)? assume solution volume does not change much upon dissolution. the equations are given below. ag+(g) + cl−(g) æ agcl(s)
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Astudent performed flame tests on several unknown substances and observed that all of the flame colo...
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