Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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![**Part A**
Two negative charges are separated by a distance \(d\), as shown in the figure. Which of the following statements is or are true?
I. The two charges are attracted to one another.
II. The electrostatic potential energy of this system is positive.
III. As \(d\) increases, the electrostatic potential decreases.
**Diagram Explanation:**
The diagram features two negative charges positioned at a distance \(d\) apart, with arrows pointing away from each other symbolizing repulsion.
**Answer Options:**
- \( \bigcirc \) I and III are true.
- \( \bigcirc \) Only one of the statements is true.
- \( \bigcirc \) II and III are true.
- \( \bigcirc \) I and II are true.
- \( \bigcirc \) All three statements are true.
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Transcribed Image Text:**Part A**
Two negative charges are separated by a distance \(d\), as shown in the figure. Which of the following statements is or are true?
I. The two charges are attracted to one another.
II. The electrostatic potential energy of this system is positive.
III. As \(d\) increases, the electrostatic potential decreases.
**Diagram Explanation:**
The diagram features two negative charges positioned at a distance \(d\) apart, with arrows pointing away from each other symbolizing repulsion.
**Answer Options:**
- \( \bigcirc \) I and III are true.
- \( \bigcirc \) Only one of the statements is true.
- \( \bigcirc \) II and III are true.
- \( \bigcirc \) I and II are true.
- \( \bigcirc \) All three statements are true.
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Transcribed Image Text:**Question:**
Which of the following statements about enthalpy is false?
**Options:**
- \( \heartsuit \) Because \( E, P, \) and \( V \) are all state functions, \( H \) is also a state function.
- \( \heartsuit \) Under constant pressure, \( \Delta H = \Delta E + P \Delta V \).
- \( \heartsuit \) Enthalpy is denoted \( H \).
- \( \heartsuit \) \( \Delta H \) equals the heat gained or lost in a process that occurs at constant pressure.
- \( \heartsuit \) Because \( \Delta H \) relates to heat, the value of \( \Delta H \) depends on the path taken between two states.
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- Which one of the following ions has the greatest lattice energy? A. KCI = KF = KBr = KI B. KCI C. KI D. KBr E. KFarrow_forward8. Given the following six figures (at room temperature). Match them to the following compounds/molecules: HI, P₂H4, Fe₂O3, Na2S (cation dark sphere, anion open sphere), CaF2(cation dark sphere, anion open sphere), KF.arrow_forwardWhat is an atom?What is atomism?What is alchemy?What is protoscience and pseudoscience?What is atomic theory?On a bond paper, draw the different model of an atom.arrow_forward
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