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soldi70 [24.7K]
3 years ago
15

Which units are used to measure both velocity and speed? Select 3 correct choices.

Chemistry
1 answer:
poizon [28]3 years ago
4 0

Answer:

km/h

mph

iph

Explanation:

I have no idea what mis or dit could be

km/h is kilometers per hour

mph is miles per hour

I assume iph is inches per hour?

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miskamm [114]

Answer:

your simpal answer is 177.32

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3 years ago
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What type of reaction is: br2 + nal2 ---> nabr + l2
Furkat [3]

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2 years ago
1)
Delicious77 [7]

Answer:

<u><em></em></u>

  • <u><em>C) How much energy was added to the substance to increase molecule motion? </em></u>

Explanation:

<em>The most relevant question to ask regarding this change</em> must take into account the physical knowledge about matter.

When matter changes from<em> liquid </em>state to <em>gaseous</em> state, a physical change called evaporation, the particles (molecules or atoms) of the <em>pure substance </em>will separate from each other, take up more space and move faster.

<em>Condensation</em> is the opposite to evaporation, thus the option A) is not the most relevant question.

<em>The charge of the particles</em> does not change; so the option B) is not relevant at all.

The particles should gain energy from the surroundings to <em>increase</em> their <em>motion</em> (kinetic energy) when they pass from liquid state, where they move slower, to gas state, where they move faster. Hence, the option<em> C), How much energy was added to the substance to increase molecule motion?</em> , is totally relevant.

Since this is an increase in the <em>kinetic energy of the molecules</em>, the option D) is not relevant.

6 0
3 years ago
What is the mass number of an atom that has six protons , six electrons and eight neutrons
Tresset [83]

Answer:

14

Explanation:

Given parameters:

Number of protons  = 6

Number of electrons  = 6

Number of neutrons = 8

Unknown:

Mass number  = ?

Solution:

The mass number of an atom is the sum of protons and neutrons in an atom;

 Mass number  = number of protons + number of neutrons

 Mass number  = 6 + 8  = 14

7 0
2 years ago
What would happen to a animal cell if it had n\an lysosome?
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Honestly I don't know
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