subject
Geography, 28.01.2021 22:10 steven123pink

Hurry now scince 20 pts Sammy was performing an experiment with copper pennies. He placed one penny in a beaker of distilled water, another penny in a beaker of vinegar, and the last penny in a beaker of hydrochloric acid. If Sammy leaves each penny in its beaker for 20 minutes, which possible change, if any, would he see in each of the beakers? Answer options with 5 options A. Nothing would happen to any of the pennies in any of the beakers. B. The penny in the hydrochloric acid would dissolve completely and no change would occur in the other beakers. C. All three pennies would probably show some signs of a slight change. D. The penny in the water would show signs of change, but the other two pennies would remain unchanged. E. The pennies in the hydrochloric acid and vinegar would show signs of change, but the penny in the water would remain unchanged.

ansver
Answers: 2

Another question on Geography

question
Geography, 22.06.2019 16:00
Ineed quickly! which of the following would not be considered an example of the transition of europe into the formation of larger nation-states? a. the hundred years' war b. the unification of italy c. the marriage of isabella and fernando d. the height of feudalism
Answers: 1
question
Geography, 23.06.2019 04:20
Aplane cuts a pyramid as shown in the diagram. what is the shape of the cross section? a. a hexagon b. a pentagon c. a square d. a triangle
Answers: 1
question
Geography, 24.06.2019 04:20
What is the hottest planet in the solar system?
Answers: 2
question
Geography, 24.06.2019 04:20
Put these ecosystems in order of least biodiversity to most biodiversity 1. mediterranean forest 2. indonesian rain forest 3. arctic ocean
Answers: 1
You know the right answer?
Hurry now scince 20 pts Sammy was performing an experiment with copper pennies. He placed one penny...
Questions
question
Arts, 03.05.2022 01:30
Questions on the website: 13722359