Chemistry, 05.07.2020 16:01 woodsliuheart
Use the reaction below to answer the question that follows. a. b.c.2Al(s)+32O2(g)⟶Al2O3(s)ΔH=−1676 kJ2Fe(s)+32O2(g)⟶Fe2O3(s)ΔH=−824 kJFe2O3(s)+2Al(s)⟶Al2O3(s)+2Fe(s) Calculate the change in enthalpy, in kilojoules for reaction "c" above.
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Water molecules have a strong attraction to each other because of hydrogen bonding, allowing water to move against gravity up a plant's stem through capillary action. true false
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Which statement correctly describes potassium iodide, ki? there is a one-to-one ratio of potassium ions to iodide ions. potassium gains electrons and iodine loses electrons during the reaction. the lattice is held together by potassium anions and iodide cations.
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The table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.
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Use the reaction below to answer the question that follows. a. b.c.2Al(s)+32O2(g)⟶Al2O3(s)ΔH=−1676 k...
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