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denis-greek [22]
3 years ago
14

A compound is a substance composed of two or more identical molecules or in a simple way we can say it as it is a substance form

ed when two or more similar or identical chemical molecules make a bond together or it is the combination of two or more compounds.​
Physics
2 answers:
Nataly [62]3 years ago
6 0

A chemical compound is a chemical substance composed of many identical molecules (or molecular entities) composed of atoms from more than one element held together by chemical bonds. A molecule consisting of atoms of only one element is therefore not a compound.

Fittoniya [83]3 years ago
4 0

Answer:

A compound is a substance that is a composed of two or more different kinds of molecules. Compounds are held together by chemical bonds.A molecule is a group of atoms held together by covalent bonding that acts as an independent unit

Explanation:

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Total amount of energy would remain constant according to law of conservation of energy. i.e., 50 Joules

In short, Your Answer would be Option C) <span>50 Joules because as energy converts from one form to another, it cannot be created or destroyed during the conversion.
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3 years ago
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When all group iia elements lose their valence electrons, the remaining electron configurations are the same as for what family
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Noble Gases

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3 years ago
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Two forces F1 = -7.90i + 5.40j and F2 = 9.00i + 7.60j are acting on an object with a mass of m = 6.30 kg. The forces are measure
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7 0
2 years ago
If a bus travels 6 km in 10 minutes, what distance does it travel in 1 second ​
loris [4]

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4 0
3 years ago
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The barometric pressure at sea level is 30 in of mercury when that on a mountain top is 29 in. If the specific weight of air is
stealth61 [152]

To solve this problem we will apply the concepts related to pressure, depending on the product between the density of the fluid, the gravity and the depth / height at which it is located.

For mercury, density, gravity and height are defined as

\rho_m = 846lb/ft^3

g = 32.17405ft/s^2

h_1 = 1in = \frac{1}{12} ft

For the air the defined properties would be

\rho_a = 0.0075lb/ft^3

g = 32.17405ft/s^2

h_2 = ?

We have for equilibrium that

\text{Pressure change in Air}=\text{Pressure change in Mercury}

\rho_m g h_1 = \rho_a g h_2

Replacing,

(846)(32.17405)(\frac{1}{12}) = (0.0075)(32.17405)(h_2)

Rearranging to find h_2

h_2 = \frac{(846)(32.17405)(\frac{1}{12}) }{(0.0075)(32.17405)}

h = 9400ft

Therefore the elevation of the mountain top is 9400ft

7 0
3 years ago
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