Chemistry, 16.07.2021 06:40 carter4026
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Which pair of properties describes the elements in Group 18?
F They are chemically stable and liquid at room temperature.
G They have eight valence electrons and are flammable
H They are magnetic and boil at low temperatures.
J They are gaseous at room temperature and chemically stable.
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Consider the four elements above. which one of these elements will combine with oxygen in a 1: 1 ratio?
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Chemistry, 22.06.2019 20:30
The activation energy for the reaction no2(g)+co2(g)⟶no(g)+co(g) is ea = 300 kj/mol and the change in enthalpy for the reaction is δh = -100 kj/mol . what is the activation energy for the reverse reaction?
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Which pair of properties describes the elements in Group 18?...
Which pair of properties describes the elements in Group 18?...
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