Physics, 30.07.2019 07:40, penacesar18p9jrdh
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: 2
Other questions on the subject: Physics
Physics, 22.06.2019 11:00, chelton3813
The government has declared that a hurricane is likely to hit the east coast. which government division is part of acf and provides guidance to citizens? a. job opportunities for low-income individuals b. office of human services emergency preparedness and response c. assets for independence d. low-income home energy assistance program
Answers: 1
Physics, 22.06.2019 16:00, Nigward666
The solid that is formed and usually sinks to the bottom of a solution is the
Answers: 2
Physics, 23.06.2019 01:00, YoVeoAnime
The receptor cells that convert light energy into neural signals are called
Answers: 2
Do you know the correct answer?
Maria and carla were hiking when maria tripped, fell, and sprained her ankle. carla took out the fir...
Questions in other subjects:
Mathematics, 15.04.2020 03:57
Mathematics, 15.04.2020 03:57
