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BME 111 M2 Exam.docx - Question 1 1 / 1 pts What is the...

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Question 11 / 1 ptsWhat is the maximum number of covalent bonds an element with atomicnumber 8 can make with hydrogen?Correct!2314
6Question 21 / 1 ptsCorrect!
Question 3
1 / 1 ptsFigure 2.7Based on your knowledge of the polarity of water molecules, the solutemolecule depicted in Figure 2.7 is most likelyCorrect!
Question 41 / 1 ptsIf the pH of a solution is increased from pH 5 to pH 7, it means that theconcentration of H+is 100 times greater than what it was at pH 5.concentration of H+is twice (2×) what it was at pH 5.concentration of OH-is one-hundredth (0.01×) what it was at pH 5.
Correct!
Question 51 / 1 ptsFigure 2.6What results from the chemical reaction illustrated in Figure 2.6?an anion with a net charge of +1Correct!
a cation with a net charge of +1 and an anion with a net charge of -1a cation with a net charge of +1an anion with a net charge of -1a cation with a net charge of -1Question 61 / 1 ptsWhich of the following statements about buffer solutions is true?
They maintain a relatively constant pH of approximately 7 when eitheracids or bases are added to them.They maintain a constant pH when acids are added to them but not whenbases are added to them.Correct!They maintain a relatively constant pH when either acids or bases areadded to them.

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Term
Fall
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Atom, Van der Waals

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