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gayaneshka [121]
3 years ago
11

How fast do you think the air particles in this room are moving compared to a car going 50 mph (about 22m/s)? Put your answer is

in the form, 'a molecule travels ___ as fast as a car"
Chemistry
1 answer:
Minchanka [31]3 years ago
5 0

The average molecule of air is moving at speed of 500 m /s and thus

speed of air particle = 500 m /s

speed of car = 22 m /s

Whereas, the speed of molecule /speed of car = 500 /22 = 22.72

Thus, molecule travel at 22.72 times faster than speed of car.

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Diamond has a density of 3.513 g/cm³. The mass of diamonds is often measured in "carats," where 1 carat equals 0.200
Gennadij [26K]

The volume of a 1.86-carat diamond in cubic centimeters is 0.106 cm³

Given,

The density of a diamond is  3.513 g/cm³.

We have to find out the volume of a 1.86-carat diamond in cubic centimeters.

Convert the units of the diamond from carat to grams, we have:

(1.86 carats) x (0.200 g / 1 carat) = 0.372 g

The volume of the diamond is obtained by dividing the mass by the density, therefore using the formula, we get

                            v = m / d

                            v = 0.372 g / (3.51 g/cm³) = 0.1059 cm³

                       or, v = 0.106 cm³ (approx)

Therefore, the volume of a 1.86-carat diamond is approximately 0.106 cm³.

To learn more about the volume, visit: brainly.com/question/1578538

#SPJ9

4 0
2 years ago
Virus Multiplication-Viruses can make copies of themselves only inside a living____cell.
shutvik [7]

Answer:

Host

Explanation:

Viruses are not alive. They need a living host cell to reproduce.

4 0
2 years ago
Boron is to the immediate left of carbon in the same row in the periodic table. Which of the following statements compares the r
natita [175]

Answer:

Boron has a larger radius and the protons in carbon exert more pull.

Explanation:

Remember than elements have greater radius as they are closer to the bottom left corner, so boron would have the larger radius here. Carbon has a smaller radius, which makes it easier for the protons in carbon to exert more pull.

7 0
3 years ago
Read 2 more answers
How are flash drives better than hard drives
Greeley [361]
Flash drivers are more robust, if you drop it, it is still most likely to work. Hard drivers provide more storage. There’s not much difference
8 0
3 years ago
How did electrons gain energy in order to jump to higher energy levels?
Alla [95]

Answer: An electron will jump to a higher energy level when excited by an external energy gain such as a large heat increase or the presence of an electrical field, or collision with another electron.

Explanation:

3 0
2 years ago
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