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V125BC [204]
3 years ago
15

Plz help.chemissttrryy​

Chemistry
1 answer:
Gelneren [198K]3 years ago
3 0
Attached is the answer

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A sample of gas in a closed container at a
Paladinen [302]

Answer:

8.07 atm

Explanation:

Use Gay-Lussac's law and rearrange forumula

Change C to K

- Hope that helps! Please let me know if you need further explanation.

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When water is solid, do molecules move?
BabaBlast [244]

Answer:

Ice is water in its solid form. Ice keeps its shape, even if it's removed from the container. The molecules in ice are locked into place and cannot move or slide past one another, but they do vibrate a little bit.

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As the temperature drops or decreases, the water molecules gradually slow down. Eventually they stop moving and simply vibrate back and forth. At this point ice is formed, the solid phase of water. If the temperature is allowed to increase, the molecules will once again begin to vibrate faster and faster.

8 0
3 years ago
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What are ten facts about the Precambrian era?
Vsevolod [243]

1. The Precambrian is the earliest part of Earth's history, set before the current Phanerozoic Eon.

2.The Precambrian was originally defined as the era that predated the emergence of life in the Cambrian Period.

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4. It is The first and longest subdivision of time for the earth.

5.  The earth took form about 4.5 billion years ago. For the first 4 billion years of that time, the Earth was growing and changing.

6. he only multi-cellular life forms at the end of the Precambrian were in the oceans and included some groups that have survived until the present: jellyfishes and segmented worms.

7. The discovery of 3.85-billion-year-old marine sediments and pillow lavas in Greenland indicates the existence of liquid water and implies a surface temperature above 0 °C (32 °F) during the early part of Precambrian time.

8. The Precambrian encompasses the Archean and Proterozoic eons, which are formal geologic intervals that lasted from 4 billion to about 541 million years ago.

9. Precambrian rocks on most continents have revealed that additional primitive life-forms existed approximately 3.5 billion years ago.

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8 0
4 years ago
HELP. I WILL GIVE YOU BRAINLIEST
Leno4ka [110]

Answer:

thx for the points but I didn't understand

7 0
3 years ago
What 2 molecules make up sucrose?
Len [333]
I think it’s glucose and fructose.
6 0
3 years ago
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