Chemistry

Chemistry, 03.07.2019 07:50, edwardordonez66

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?

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Chemistry, 03.07.2019 03:30, michael1295

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?

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Social Studies, 16.07.2019 23:30, danjan9084

Carla, a bright, energetic 8-year-old, has lost four gloves during the past few weeks. her mother is annoyed at the need to keep replacing gloves. carla notices that her little brother is amused that carla is in trouble, and she formulates the theory that her brother is stealing the gloves just to get her into trouble. carla is convinced that she is right. she refuses to entertain her mother's suggestion that carla is often so distracted that she does not keep track of her possessions. carla is displaying a form of

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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.

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Chemistry, 30.07.2019 10:30, litwork5885

1. burning a candle is a chemical change. what is the primary evidence that burning the candle is a chemical reaction? question options: change in color temperature change formation of a solid change in odor 2.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 options: it is a physical change as evidenced by a drop in temperature. it is a chemical change because heat energy is absorbed and the pack gets colder. it is a chemical change because two different chemicals are mixed together. it is a physical change because the substance in the vial dissolved in the pack's liquid. if you have any questions message me

Answers: 2

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Maria and carla were hiking when maria tripped, fell, and sprained her ankle. carla took out the fir...

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