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4 years ago

Which of the following is the most accurate statement concerning the properties of matter?

Physics

1 answer:

DIA [1.3K]4 years ago

8 0

Answer:

b. they can be observed and measured

Explanation:

Matter is anything that has weight and occupy space. There are three states of matter namely Solid, liquid and gas.

The properties of matter are both physical and chemical in nature. Both properties can be measured and observed. Phhysical properties are anything that can be measured without changing the state of the matter. Example of physical properties includes mass, volume, length, color etc.

Chemical properties is another properties of matter. This is the ability of the states of matters to combine with other substance to form a new product for example, rusting of iron, formation of salt etc.

All this as discussed are both measurable and can be observed.

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The density of silver is 10.5 g/cm3g/cm3. part a what is this value in kilograms per cubic meter?

OLEGan [10]

The correct answer for the density of silver in kilograms per cubic meter is 10500 kg/m^3.

Silver has a density of 10.8103 kg/m3.Pure silver is nearly white, lustrous, soft, very ductile, and malleable, and it is an excellent heat and electricity conductor. Although it is not a chemically active metal, it is attacked by nitric acid (which forms nitrate) and hot concentrated sulfuric acid.

Atomic weight: 107.87 g.mol-1

At 20°C, the density is 10.5 g.cm-3.

962 °C melting point

2212 °C is the boiling point.

Silver has long been used in the manufacture of coins, ornaments, and jewelry due to its relative scarcity, brilliant white color, malleability, ductility, and resistance to atmospheric oxidation. Silver, along with gold and the platinum-group metals, is one of the so-called precious metals.

Learn more about density of silver here :-

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1 year ago

Why did fundamentalists feel threatened by new scientific knowledge?

Kamila [148]

Because the fundamentalist interprets scriptures of the religion literally so new scientific knowledge has proven some of the events that happened in scriptures, that no one can comprehend in the old times. and the fundamentalist feel threatened because there are some of their beliefs are now contradicting
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3 years ago

Elton's mother has been nagging and nagging that he should stop fooling around with his guitar and start studying. Finally, in o

horrorfan [7]

The correct answer is b. negative reinforcement. Since Elton followed his mother to stop her from nagging, it is called negative reinforcement. Had she used other ways to persuade him to study, it would be a positive reinforcement. Thank you for posting your question. I hope that this answer helped you. Let me know if you need more help.

7 0

3 years ago

A circular ride has a radius of 32 m If the time of one revolution of a rider is 0.98 s what is the speed of the rider?

11111nata11111 [884]

Given that,

The radius of a circular path, r = 32 m

The time of one revolution of a rider is 0.98 s.

To find,

The speed of the rider.

Solution,

Let v is the speed of the rider. Speed is equal to total distance divided by time taken.

$v=\dfrac{2\pi r}{t}\\\\v=\dfrac{2\pi \times 32}{0.98}\\\\v=205.16\ m/s$

So, the speed of the rider is 205.16 m/s.

6 0

3 years ago

If you gonna answer give all the answers :-)

bearhunter [10]

I say 1 it seems the most accurate

7 0

3 years ago