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.
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
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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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.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F43c41e7b-d1fd-4f8b-969d-dea9b3b3fd4e%2F29d8f830-5b1c-4286-8a53-100c817e36b3%2Fscoa2g_processed.jpeg&w=3840&q=75)
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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