Answers by BAACatharine

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How can we explain the periodic trends, such as electronegativity and ionization energy, across the rows and columns of the periodic table? And how do these trends affect the behavior and properties of chemical elements?

answered Feb 14 in Chemical education

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Balance the chemical equation for the reaction between potassium permanganate (KMnO4) and sodium sulfite (Na2SO3) in acidic solution.

answered Jan 22 in Chemical reactions

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A chemistry student is given a sample of a solution containing a known amount of sodium chloride (NaCl) dissolved in water. The student needs to determine the concentration of the NaCl in the solution, using mass balance calculations. The student has access to a balance and other necessary laboratory equipment. What is the concentration of NaCl in the solution given to the student? How much NaCl is present in the solution, and how much water was used to dissolve it?

answered Jan 22 in Analytical Chemistry

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How does positive psychology relate to the concept of wellbeing?

answered Jan 20 in Psychology

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What is the difference between a transactional and laissez-faire leadership style?

answered Jan 16 in Psychology

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What does the esophagus produce for lubrication?

answered Jan 6 in Science

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