Chemistry, 17.01.2020 22:31 sleimanabir
It is important to know the difference between atoms, ions, and isotopes. choose all of the correct answers.
an atom of oxygen and the ion of oxygen both have 8 protons.
electrons must be removed from a carbon atom to form an isotope.
the atomic mass of metals is calculated differently that the atomic mass of nonmetals.
calc
as you add or remove neutrons from the nucleus, isotopes are formed.
the most massive subatomic particles are electrons.
ormulas
0: 48: 55
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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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