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Chemistry, 21.06.2019 17:00
Why do sodium and neon have vastly different chemical and physical properties despite having similar atomic masses?
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Chemistry, 22.06.2019 03:10
Describe the difference between a. a hypothesis and a theory and b. an observation and an experiment.
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Chemistry, 22.06.2019 21:30
An atomic nucleus is composed ofa)protons.b)protons and neutrons.c)protons and electrons.d)protons, neutrons, and electrons.
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Chemistry, 22.06.2019 21:30
Liquid ammonia is produced at high temperatures and under great pressure in a tank by passing a mixture of nitrogen gas and hydrogen gas over an iron catalyst. the reaction is represented by the following equation. n2(g) + 3h2(g) → 2nh3(g) changing all but one experimental condition will affect the amount of ammonia produced. that condition is a) increasing the concentration of both reactants b) changing the temperature within the tank c) decreasing the pressure within the tank. d) increasing only the amount of nitrogen present.
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Mathematics, 24.11.2019 00:31
Mathematics, 24.11.2019 00:31
Mathematics, 24.11.2019 00:31
Mathematics, 24.11.2019 00:31
Mathematics, 24.11.2019 00:31
Mathematics, 24.11.2019 00:31
English, 24.11.2019 00:31
Mathematics, 24.11.2019 00:31