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WINSTONCH [101]
3 years ago
5

I NEED HELP PLEASE, THANKS! :)

Chemistry
1 answer:
Elan Coil [88]3 years ago
6 0

Answer:

Hi there!

Based on my own words, the electron cloud is a shell surrounding the nucleus that only consists of electrons.

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Please help im doing a test right now!!
lubasha [3.4K]

Answer:

the first one is correct

Explanation:

the most reactive metals reat with cold water quickly but tn interactive one can't

8 0
3 years ago
Read 2 more answers
Use Gay-Lussac Law to solve. When the pressure of a balloon starts at 7.5 atm and the temperature surrounding the balloon goes f
ElenaW [278]

Answer:

The answer to your question is 6.77 atm

Explanation:

Data

Pressure 1 = P1 = 7.5 atm

Temperature 1 = T1 = 65°C

Pressure 2 = P2 = ?

Temperature 2 = T2 = 32°C

Process

-Use Gay-Lussac law to solve this problem

               P1/T1 = P2/T2

-Solve for P2

               P2 = P1T2 / T1

-Convert temperature to °K

T1 = 65 + 273 = 338°K

T2 = 32 + 273 = 305°K

-Substitution

                P2 = (7.5 x 305) / 338

-Simplification

                P2 = 2287.5 / 338

-Result

                P2 = 6.77 atm

6 0
3 years ago
Neeeeeed helpppppp will give brainiest
Artyom0805 [142]

Answer:

I think it is c

Explanation:

When water turns into water vapor it goes into the air so it must be lighter

5 0
3 years ago
How do we use properties of matter in our every day lives
bearhunter [10]
For example, water. In its liquid state we drink it , in its solid state (ice ) we use it to make our drinks colder or t numbs pain when wrapped in cloth and it’s gas state ( water vapour) we steam vegetables. In conclusion many different properties of matter are used for various purposes
6 0
3 years ago
What happens to the rate of reaction when you decrease the temperature of a chemical reaction?
Neporo4naja [7]
Depending on what chemicals you use it slows the reaction
4 0
3 years ago
Read 2 more answers
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