Maria and Carla were hiking when Maria tripped, fell, and sprained her ankle. Carla took out the first-aid kit and unwrapped a cold pack. Carla popped a vial that was inside the cold pack. The two chemicals inside the pack mixed together and the pack began to get icy cold. Carla applied the pack to Maria's ankle. What kind of reaction occurred in the cold pack? What evidence supports your answer? Question 11 options: A. It is a physical change because the substance in the vial dissolved in the pack's liquid. B. It is a chemical change because two different chemicals are mixed together. C. It is a chemical change because heat energy is absorbed and the pack gets colder. D. It is a physical change as evidenced by a drop in temperature.
Answers (1)
Know the Answer?
Not Sure About the Answer?
Get an answer to your question ✅ “Maria and Carla were hiking when Maria tripped, fell, and sprained her ankle. Carla took out the first-aid kit and unwrapped a cold pack. ...” in 📙 Physics if there is no answer or all answers are wrong, use a search bar and try to find the answer among similar questions.
Search for Other Answers
You Might be Interested in
Which item is an example of a primary source? A. An academic paper analyzing John F. Kennedy's presidency B. A transcript of a presidential speech C. A textbook about American foreign policy D.
Answers (1)
Is the state of maintaining a stable internal environment despite changing external conditions.
Answers (1)
A golf club hits a 0.0459 kg golf ball at rest. Afterwards the ball leaves at 63.9 m/s. What impulse was given to the ball? (Unit = kg*m/s)
Answers (1)
Henry takes a boat ride for 15 minutes to reach his destination. If the boat was traveling at 6 meters/second, how far did the boat travel?
Answers (2)
The type of energy that depends on position is called a. potential energy. b. electrical energy. c. magnetic energy. d. solar energy.
Answers (1)
New Questions in Physics
A set of data is collected from a simple circuit with a 20 resistor and is represented in the table
Answers (2)
A skydiver of mass m jumps from a hot air balloon and falls a distance d before reaching a terminal velocity of magnitude v. Assume that the magnitude of the acceleration due to gravity is g. a.
Answers (1)
8. What happens to force when mass is increased?
Answers (1)
Give an example of ionic and covalent bond, and explain and make an example for each.
Answers (1)
Which of these is the best reason for proper nutrition? A. To ensure that you will be skinny B. To protect yourself against certain diseases C. To improve your intelligence D. To ensure that you will get good grades
Answers (1)