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VARVARA [1.3K]
3 years ago
8

Which of the following best describes a solid?

Chemistry
2 answers:
yuradex [85]3 years ago
6 0
The answer is B) fills all the space in its container
kotegsom [21]3 years ago
5 0

Answer:

A cannot change its shape to fit its container

Explanation:

A solid is a sample of matter that retains its shape and density when not confined

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For which of the following activities might you want to hire a chemist?
yarga [219]

examining the structure of plant cells

5 0
3 years ago
Density is the ratio of a sample's mass to its volume. A bar of lead has a mass of 115.2 g. When it is submerged in 25.0 mL of w
Margarita [4]

Answer:

$10.97 \ g/cm^3$

Explanation:

Given :

Mass of a bar of lead = 115.2 g

Initial water level $\text{in the graduated cylinder}$ = 25 mL

Final water level $\text{in the graduated cylinder}$ = 35.5 mL

Difference in the water level = 35.5 - 25

                                               = 10.5 mL

                                               = 10.5 \ cm^3

We know that when a body is submerged in water, it displaces its own volume of water.

Therefore, the volume of the lead bar = volume of the water displaced = 10.5 mL  = 10.5 \ cm^3

We know that mathematically, density is the ratio of mass of body to its volume.

Density of the lead bar is given by :

$\rho =\frac{\text{mass}}{\text{volume}}$

$\rho =\frac{\text{115.2 g}}{\text{10.5 cm}^3}$

  = $10.97 \ g/cm^3$

3 0
3 years ago
Help Please and answer correctly otherwise, I can report the answer and your account so make sure the answer is correct BUT PLEA
Alina [70]

Answer:

G

Explanation:

8 0
3 years ago
Which statement about fusion reactors is true? a Enriched uranium isotopes are used as fuel in fusion reactors. b Fuel for fusio
trapecia [35]

Answer:

b Fuel for fusion reactors can be extracted from ocean water.  

Explanation:

The fuel is deuterium, which makes up 0.02% of the hydrogen atoms in water. The oceans contain more than a billion cubic kilometres of water, so that's a lot of deuterium.

a is wrong. The fuel for fusion reactors is deuterium.

c is wrong.  There is much research, but there are no large-scale fusion reactors in operation.

d is wrong. Fusion reactors do not produce radioactive waste as spent fuel. Most of the radioactive waste would be the reactor core itself.

6 0
3 years ago
Why dose earth keep spinning
vichka [17]
Because it tilts on its axis
5 0
3 years ago
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