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AVprozaik [17]
3 years ago
15

Imagine you could observe the individual atoms that make up a piece of matter and that you observe the motion of the atoms becom

ing more orderly. what can you assume about the system
Chemistry
1 answer:
Evgen [1.6K]3 years ago
8 0
It is cooling down or solidifying. I think.
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D Which compound is insoluble in water?
densk [106]

Answer:

Examples of substances insoluble in water: oil, acetone, ether

Explanation:

Such examples of substances are non-polar and do not dissolve in water (polar compound). The classic example is oil floating in water (this happens because oil has a lower density than water).

3 0
3 years ago
The pressure of nitrogen gas at 35°C is changed from 0.89 atm to 4.3 atm. What will be its final temperature in Kelvin?
Alja [10]

Answer: The final temperature in Kelvin is 1488

Explanation:

To calculate the final temperature of the system, we use the equation given by Gay-Lussac Law. This law states that pressure of the gas is directly proportional to the temperature of the gas at constant pressure.

Mathematically,

\frac{P_1}{T_1}=\frac{P_2}{T_2}

where,

P_1\text{ and }T_1 are the initial pressure and temperature of the gas.

P_2\text{ and }T_2 are the final pressure and temperature of the gas.

We are given:

P_1=0.89atm\\T_1=35^0C=(35+273)K=308K\\P_2=4.3atm\\T_2=?

Putting values in above equation, we get:

\frac{0.89}{308}=\frac{4.3}{T_2}\\\\T_2=1488K

Hence, the final temperature in Kelvin is 1488

8 0
3 years ago
What is the mass of 7.1 x 1021 molecules of glucose?
choli [55]

Answer:

7249.1

Explanation:

Multiply 7.1x1021= 7249.1

7 0
2 years ago
A real gas behaves more like an ideal gas when the gas molecules are
Vitek1552 [10]
Far apart and have weak attractive forces between them
7 0
3 years ago
Read 2 more answers
Which two structures play direct roles in permitting bacteria to adhere to each other or to other surfaces?
ICE Princess25 [194]

Answer: capsule and fimbriae

Explanation:

Many prokaryotes have sticky outermost layer called the capsule.It is made up of polysaccharides and it helps them clinging to each other or to other surfaces around them.It also helps prevent the cell from drying out.

Fimbriae,also known as attachment pilus,used by bacteria to adhere to one and other,animal cells or to any inanimate objects.

4 0
3 years ago
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