4. a. One liquid has a temperature of 140°F and another liquid has a temperature of 60°C. Are the liquids at the same temperature or at different temperatures? b. What is Kinetic energy? c. What is Potential energy?
4. a. One liquid has a temperature of 140°F and another liquid has a temperature of 60°C. Are the liquids at the same temperature or at different temperatures? b. What is Kinetic energy? c. What is Potential energy?
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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![### Question 4:
#### a. Temperature Comparison:
One liquid has a temperature of 140°F and another liquid has a temperature of 60°C. Are the liquids at the same temperature or at different temperatures?
#### b. Definition of Kinetic Energy:
What is Kinetic Energy?
#### c. Definition of Potential Energy:
What is Potential Energy?
### Answer Key:
#### a. Temperature Comparison:
To determine if the liquids are at the same or different temperatures, we need to convert one of the temperature values to a common unit. Let's convert 140°F to Celsius using the formula:
\[ \text{°C} = (\text{°F} - 32) \times \frac{5}{9} \]
Applying the numbers:
\[ 140°F = (140 - 32) \times \frac{5}{9} = 108 \times \frac{5}{9} \approx 60°C \]
Hence, both liquids are at the same temperature of approximately 60°C.
#### b. Definition of Kinetic Energy:
Kinetic energy is the energy possessed by an object due to its motion. It is given by the formula:
\[ KE = \frac{1}{2} mv^2 \]
where \( m \) is the mass of the object and \( v \) is its velocity.
#### c. Definition of Potential Energy:
Potential energy is the stored energy of an object due to its position or state. Common forms of potential energy include gravitational potential energy, which is given by:
\[ PE = mgh \]
where \( m \) is the mass, \( g \) is the acceleration due to gravity, and \( h \) is the height above the reference point.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F985d33f0-327c-491d-9662-18026bdd0c4a%2Fcf766006-713a-425c-9edd-f37b236b83ad%2Fs97jy1q_processed.jpeg&w=3840&q=75)
Transcribed Image Text:### Question 4:
#### a. Temperature Comparison:
One liquid has a temperature of 140°F and another liquid has a temperature of 60°C. Are the liquids at the same temperature or at different temperatures?
#### b. Definition of Kinetic Energy:
What is Kinetic Energy?
#### c. Definition of Potential Energy:
What is Potential Energy?
### Answer Key:
#### a. Temperature Comparison:
To determine if the liquids are at the same or different temperatures, we need to convert one of the temperature values to a common unit. Let's convert 140°F to Celsius using the formula:
\[ \text{°C} = (\text{°F} - 32) \times \frac{5}{9} \]
Applying the numbers:
\[ 140°F = (140 - 32) \times \frac{5}{9} = 108 \times \frac{5}{9} \approx 60°C \]
Hence, both liquids are at the same temperature of approximately 60°C.
#### b. Definition of Kinetic Energy:
Kinetic energy is the energy possessed by an object due to its motion. It is given by the formula:
\[ KE = \frac{1}{2} mv^2 \]
where \( m \) is the mass of the object and \( v \) is its velocity.
#### c. Definition of Potential Energy:
Potential energy is the stored energy of an object due to its position or state. Common forms of potential energy include gravitational potential energy, which is given by:
\[ PE = mgh \]
where \( m \) is the mass, \( g \) is the acceleration due to gravity, and \( h \) is the height above the reference point.
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