Chemistry, 02.10.2020 15:01 YungKardon
3. Which of these statements is an accurate description of the ionization energies of elements in the periodic table?
F. The ionization energy of lithium is greater than that of potassium.
G. The ionization energy of iodine is greater than that of fluorine.
H. The ionization energy of magnesium is greater than that of sulfur.
J. The ionization energy of krypton is greater than that of neon.
Answers: 2
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Calculate the h3o+ concentration in a solution of acetic acid if the concentration of molecular acetic acid present at equilibrium is 9.97x10^-3 m and k for the dissociation is 1.86x10^-5. ch3cooh(aq)+h2o(> h3o^+(aq)+ch3coo^-(aq)
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Chemistry, 22.06.2019 08:30
What method(s) do plants use to obtain nitrogen? select all that apply. absorb it from the atmosphere use bacteria to convert nitrogen to usable form obtain usable nitrogen compounds from the soil absorb nitrogen from water taken in at the roots
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Chemistry, 22.06.2019 10:30
Aglow stick contains a glass vial with chemicals. when the glow stick is bent, the vial breaks and the chemicals react to produce a glow. a science student observes that a glow stick kept in the freezer glows for a longer duration than a glow stick kept at room temperature. what conclusion can be drawn based on the observation? be sure to note the outcome and test variables in the conclusion.
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Chemistry, 22.06.2019 18:00
How many moles of oxygen gas are produced from the decomposition of six moles of potassium
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3. Which of these statements is an accurate description of the ionization energies of elements in th...
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