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lukranit [14]
3 years ago
7

11. The strength of a force is measured in

Chemistry
1 answer:
dem82 [27]3 years ago
4 0

Answer:

In units.

Explanation:

Such as newtons or pounds.

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Find the average atomic mass of neon, given the atomic masses and relative abundance of its three isotopes.
Lyrx [107]
<span>19.992*0.9048+20.993*0.0027+21.991+0.0925 = </span><span> 20.1797 amu (C)</span>
6 0
3 years ago
A metal pellet with a mass of 100.0 g, originally at 116°C, is dropped into a cup of water, initially at
Alina [70]

Answer:

C, 42g

Explanation:

In thermal equilibrium, both bodies (metal pellet and water) both have the same final temperature (46.3°C).

Assuming no heat is lost to surroundings,

the energy lost from metal pellet = energy gained for water

Since E = mc∆T

(energy = mass x specific heat capacity x temperature change)

mc∆T (metal pellet) = mc∆T (water)

100 x 0.568 x (116-46.3) = m 4.184 (46.3 - 23.8)

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3 years ago
Which element probably reacts most like bromine, Br?
Nikitich [7]
D) Chlorine, Cl. Hope that helped
8 0
3 years ago
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Consider X + Z -&gt; ?
Licemer1 [7]

Answer:

C

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Element Z acquires two electrons from element X for stability

4 0
3 years ago
Kory goes outside to grill some hamburgers. He tells Ethan that when you cook meat, a chemical reation is taking place. Ethan sa
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Answer:

Explanation:

Kory goes outside to grill some hamburgers. He tells Ethan that when you cook meat, a chemical reation is taking place. Ethan says "That's perpostrous!" Is Kory Correct??

absolutely Kory is correct

evidence of a chemical reaction are

new odor and or taste

change in color

signs of bubbling

direct effect of temperature on rate of change

evidence of a new substance being formed

we observe all these when we grill meat.

7 0
2 years ago
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