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Kobotan [32]
2 years ago
11

QUESTION:

Chemistry
2 answers:
Maurinko [17]2 years ago
4 0

Answer:

✔ Cumberland Gap

was a natural mountain pass through the Appalachian Mountains.

This is the Correct Answer!

This might not be the same Question. This is history 5th Unit.

brilliants [131]2 years ago
3 0

Answer:

C. A law passed by the British parliament that prohibited colonial movements west of the Appalachian Mountains.

Explanation:

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How would a system in which both matter and energy are exchanged freely between the system and the surroundings be classified? (
Nata [24]

Answer:

An open system

Explanation:

An open system is a system in which both matter and energy are exchanged freely between the system and the surroundings.

An example is a pot of water boiling on the stove. The surroundings (the stove) can supply heat energy to the water and the water can escape into the atmosphere.

A <em>closed system</em> is a system in which energy but not matter is exchanged freely between the system and the surroundings.

An example is a pressure cooker on the stove. The surroundings (the stove) can supply heat energy to the food inside, but no matter can escape through the closed lid.

An <em>isolated system</em> is a system in which neither energy nor matter can be exchanged between the system and the surroundings.

An example is a thermos of hot soup. The cap prevents matter from escaping and the shiny interior reflects heat back into the soup.

8 0
3 years ago
Please help with this question
tamaranim1 [39]
1.806x10^24
Written equation form(always start the equation off with what you know based off of the question!):

3mol(CCl4)•6.022x10^23/1mol = 1.806x10^24

Good luck!
3 0
3 years ago
What kind of energy can be mainly excited by us/visible light
erica [24]
I'm thinking the answer you are looking for is light energy. With the sunlight there is light energy and heat.

3 0
3 years ago
The name of an alkyl group that contains THREE carbon atoms is____
tester [92]

Answer:

The answer is "Propyl"

Explanation:

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Waters states of matter include steam liquid water and ice. What about water is the same in the states? What can you conclude ab
julia-pushkina [17]
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In these lessons, students will observe, measure, and describe water as it changes state. It is important to note that students at this level "...should become familiar with the freezing of water and melting of ice (with no change in weight), the disappearance of wetness into the air, and the appearance of water on cold surfaces. Evaporation and condensation will mean nothing different from disappearance and appearance, perhaps for several years, until students begin to understand that the evaporated water is still present in the form of invisibly small molecules." (Benchmarks for Science Literacy<span>, </span>pp. 66-67.)

In this lesson, students explore how water can change from a solid to a liquid and then back again.

<span>In </span>Water 2: Disappearing Water, students will focus on the concept that water can go back and forth from one form to another and the amount of water will remain the same.

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