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3 years ago

Describe the relationship between temperature and pressure of a gas. Can you think of a real world example of this relationship?

Chemistry

1 answer:

jonny [76]3 years ago

7 0

It is an proportional relationship
Pressure increases so does temperature and vice versa

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(i)<br> The positive particles,<br> , in the nucleus of atoms are called

grin007 [14]

Answer:

protons

Explanation:

i remember it as positive protons

neutral neutrons and

negetive electrons

7 0

3 years ago

Students in a lab used a hot plate to boil water. Which of the following illustrations best represents the change in the movemen

Digiron [165]

The second illustration is the best representation of the change in the movement of particles as the temperature of the water changes.

<u>Explanation:</u>

The second option perfectly represents the boiling of water. As when the temperature is increased, the water molecules gain energy to move faster, thus their kinetic energy of the atoms will be more. This will lead to more freely movement of all the atoms of the water.

And as boiling leads to transformation from liquid state to gaseous state, so the increase in the distance between atoms and molecules occurs in the gaseous state. Thus, the second illustration is best suitable for representing the boiling of water.

As on increasing temperature of the water, the distance between the molecules is increasing in the second illustration while the other illustration shows the decrease in the distance between the molecules. So, the second illustration is the best representation of the change in the movement of particles as the temperature of the water changes.

6 0

3 years ago

Round off each number to the indicated number significant figures (sf):

qaws [65]

Answer :

(a) The given number in 2 significant figures will be, $3.6\times 10^3$

(b) The given number in 4 significant figures will be, $3.583\times 10^1$

(c) The given number in 3 significant figures will be, $2.24\times 10^1$

Explanation :

Significant figures : The figures in a number which express the value -the magnitude of a quantity to a specific degree of accuracy is known as significant digits.

(a) The given number 00003554 converted into 2 significant figures.

In 00003554, there are 4 significant figures. Now we have to convert it into 2 significant figures.

The given number in 2 significant figures will be, $3.6\times 10^3$

(b) The given number 35.8348 converted into 4 significant figures.

In 35.8348, there are 6 significant figures. Now we have to convert it into 4 significant figures.

The given number in 4 significant figures will be, $3.583\times 10^1$

(c) The given number 22.4555 converted into 3 significant figures.

In 22.4555, there are 6 significant figures. Now we have to convert it into 3 significant figures.

The given number in 3 significant figures will be, $2.24\times 10^1$

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3 years ago

Minerals are very useful to us. Which of the following is a false statement?

Shtirlitz [24]

A. Pyrite is an ore of gold and is used to jewelry making is a false statement

4 0

3 years ago

Read 2 more answers

1. Which of these is an intensive property?

Novay_Z [31]

Answer:

Volume

Explanation:

3 0

3 years ago