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ololo11 [35]
3 years ago
14

Can light move through space even though there are no molecules?

Chemistry
1 answer:
amid [387]3 years ago
7 0

Answer:

This means that waves need a medium to propagate, but light waves propagate where no particles are present. ...

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I need help pls this isnt chemistry btw i just couldnt find science so i had to put that
Elan Coil [88]

Answer: 1. 10% is used to live 30% is stored.

2. an educated guess.

Explanation:

3 0
2 years ago
If the black dot is sound, which direction is the sound in the picture moving? *
Tema [17]

Answer:

Left or up, either one of those

Explanation:

6 0
3 years ago
Read 2 more answers
Aluminium is a metal give reason​
trapecia [35]

Answer:

Aluminium is ordinarily classified as a metal. It is lustrous, malleable and ductile, and has high electrical and thermal conductivity. Like most metals, it has a close-packed crystalline structure and forms a cation in an aqueous solution.

7 0
3 years ago
Volume of water displaced = 0.175 L Mass g Density g/cm3 Hardness: = Determine the unknown mineral. Unknown mineral: 7​
erastovalidia [21]

Answer:

Mass: 981.0 g

Density: 5.61 g/cm^3

Hardness: = 2.5 - 3

Unknown material: Chalcocite

Explanation:

5 0
3 years ago
Given that a mass of a ball is (36.0 g), and the volume is (8.0 mL), what is the ball's density in g/mL?​
max2010maxim [7]

Answer:

4.5g/mL

Explanation:

Given parameters:

Mass of ball  = 36g

Volume of the ball  = 8mL

Unknown:

Density of the ball  = ?

Solution:

Density is the mass per unit volume of a substance.

          Density  = \frac{mass}{volume}  

So;

 Density  = \frac{36}{8}    = 4.5g/mL

5 0
3 years ago
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