An electric current of 132.0 mA transports 80.0 C of charge. Calculate the time this took. Be sure your answer has the correct unit symbol and 3 significant digits.

Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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**Problem: Calculating Time from Electric Current and Charge**

An electric current of 132.0 mA transports 80.0 C of charge. Calculate the time this took.

**Instructions:**
Be sure your answer has the correct unit symbol and 3 significant digits.

**Answer Box:**

- The left side contains a blank box for input.
- The right side shows a keypad with various symbols:
  - A rectangle labeled "x10" for scientific notation.
  - A symbol for "micro" or "µ".
  - A power of 2 symbol, likely for exponents.
  - Symbols to enter fractions.
  - A section for deleting or resetting input (indicated by an "X" and a curved arrow).

**Steps to Solve:**

To solve for time (\(t\)), use the formula:

\[ 
t = \frac{Q}{I} 
\]

Where:
- \( Q \) = charge (80.0 C)
- \( I \) = current (132.0 mA or 0.132 A)

Substitute the values:

\[ 
t = \frac{80.0 \, \text{C}}{0.132 \, \text{A}} 
\]

Be sure to express your answer in seconds with three significant figures.
Transcribed Image Text:**Problem: Calculating Time from Electric Current and Charge** An electric current of 132.0 mA transports 80.0 C of charge. Calculate the time this took. **Instructions:** Be sure your answer has the correct unit symbol and 3 significant digits. **Answer Box:** - The left side contains a blank box for input. - The right side shows a keypad with various symbols: - A rectangle labeled "x10" for scientific notation. - A symbol for "micro" or "µ". - A power of 2 symbol, likely for exponents. - Symbols to enter fractions. - A section for deleting or resetting input (indicated by an "X" and a curved arrow). **Steps to Solve:** To solve for time (\(t\)), use the formula: \[ t = \frac{Q}{I} \] Where: - \( Q \) = charge (80.0 C) - \( I \) = current (132.0 mA or 0.132 A) Substitute the values: \[ t = \frac{80.0 \, \text{C}}{0.132 \, \text{A}} \] Be sure to express your answer in seconds with three significant figures.
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