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Athena Perlyn Alcantara

Athena Perlyn A.

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INSTANT ANSWER

Q 6. Complete the chart below: \begin{tabular}{|cc|} \hline \multicolumn{2}{|c|}{ SETTING OF YOUR CAPACITOR } \\ \hline kappa & \( \kappa=5 \) \\ Distance separation & \( \mathrm{d}=10.0 \mathrm{~mm} \) \\ Plate Area & \( \mathrm{A}=100.0 \mathrm{~mm}^{2} \) \\ \begin{tabular}{c} Electric Potential \\ difference \end{tabular} & \( \Delta \mathrm{V}=1.5 \mathrm{v} \) \\ \hline \end{tabular} \begin{tabular}{|ll|} \hline \multicolumn{2}{|c|}{ READINGS FROM THE METERS } \\ \hline Capacitance & \( \mathrm{C}= \) \\ Electric charge & \( \mathrm{q}= \) \\ Electric Potential & \( \Delta \mathrm{PE}= \) \\ Energy & \( \mathrm{E}= \) \\ Electric Field & \\ \hline \end{tabular} Q 7. How does the dielectric constant affect the capacitance of the capacitor? (increase or decrease) \begin{tabular}{|l|l|} \hline \multicolumn{2}{|c|}{ WHEN K INCREASES } \\ \hline Capacitance & \\ Electric charge & \\ Electric Potential & \\ Energy & \\ Electric Field & \\ \hline \end{tabular} \begin{tabular}{|l|l|} \hline \multicolumn{2}{|c|}{ WHEN K DECREASES } \\ \hline Capacitance & \\ Electric charge & \\ Electric Potential & \\ Energy & \\ Electric Field & \\ \hline \end{tabular} PART IV - EFFECT OF THE DISTANCE SEPARATION ON THE CAPACITANCE OF THE

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5. The formation of Fe, (s) occurs with the evolution of 826 J of energy. Which is the correct thermochemical equation for the formation of Fez (s)? AH° = -826 kJ A. 4Fe(s) + 3 02(g) → 2Fez g(S) AH° = +826 kJ B. Fe(s) + 02(g) → Fe,°,(s) 3 AH° = -826 kJ C. 2Fe(s) + 219 → Fe,O,(s) 2 3 ДН° = +826 kJ D. 2Fe(s) + 02(9) → Fe,,(s) 6. Which is the correct thermochemical equation for the formation of CaCO,(s)? AH° = -1206.9 kJ A. CaO(s) + CO,(g) → CaCO,(s) B. Ca(s) + C(s, graphite) + 02(g) - CaCOg(s) AH° = -1206.9 kJ C. CaO(s) + C(s, graphite) + 02(g) → CaCO,(S) AH° = -1206.9 kJ D. Ca(s) + CO(g) + 02(g) → CaCO,(s) AH° = -1206.9 kJ 7. Which of the following equations give the standard heat of combustion of liquid ethanol, CHOH()? A. CH,OH() + 02(g) → COz(g) + H20(1) B. CH,OH(l) + 302(g) → 2 COz(g) + 3H20(1) D. CHOH(l) + 02(g) → COz(g) + H20(g) 8. The standard enthalpy of formation of CH, (g) at 25°C is -74.87 kJ/mol. What is the standard heat of formation at constant volume of CH,(g) at 25°C in kJ/mol? A. -74.87 + (8.314 × 0.298) C. -74.87 - (8.314 × 0.298) B. -74.87 + (2 x 8.314 × 0.298) D. -74.87 - (2 × 8.314 × 0.298)

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20. From the image in problem 19 , what is the potential difference between points fand \( b \) ? Explain your answer.

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19. from points a to \( c \), from points \( b \) to \( e \) 20. From the image in problem 19 , what is the potential difference between points fand \( b \) ? Explain your answer. 21. Given a capacitance of \( 30 \mathrm{nF} \) and a voltage of \( 30 \mathrm{~J} \), compute for the charge and energy. 22. Given a set of capacitors: \( 12 n \mathrm{nF}, 6 \mathrm{nF}, 9 \mathrm{nF}, 4 \mu \mathrm{F}, 2 \mathrm{pF} \), and \( 7 \mu \mathrm{F} \), solve the following problems: a. Solve the total capacitance for a series circuit and illustrate the circuit. b. If the series circuit is connected to a \( 30 \mathrm{~V} \) battery, find the total charge. c. Given the same voltage, solve for the energy.

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INSTANT ANSWER

20. From the image in problem 19, what is the potential difference between points fand b? Explain your answer. 21. Given a capacitance of 30 nF and a voltage of 30 J, compute for the charge and energy. 22. Given a set of capacitors: 12 nF, 6 nF, 9 nF, 4 uF, 2 pF, and 7 uF, solve the following problems: a. Solve the total capacitance for a series circuit and illustrate the circuit. b. If the series circuit is connected to a 30 V battery, find the total charge. c. Given the same voltage, solve for the energy. 23. Given a set of capacitors: 7 nF, 6 nF, 5 nF, 4 uF, 3 pF, and 10 uF, solve the following problems: a. Solve the total capacitance for a parallel circuit and illustrate the circuit. b. If the parallel circuit is connected to a 60 V battery, find the total charge. c. Given the same voltage, solve for the energy.

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