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solong [7]
3 years ago
15

What force is required to do 60 Joules of work in sliding an object 10 meters across a level floor?

Chemistry
1 answer:
rusak2 [61]3 years ago
8 0
The forcé required si 6N
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Explain why uranium must be enriched to be used in a nuclear power plant.
galben [10]

Answer:

The nuclear fuel used in a nuclear reactor needs to have a higher concentration of the U 235 isotope than that which exists in natural uranium ore. U235 when concentrated (or "enriched") is fissionable in light-water reactors (the most common reactor design in the USA).

Explanation:

5 0
3 years ago
Please help me with this quick!!
Katen [24]

Answer:

Carbon : chemical symbol is "C"

Chlorine: chemical symbol is"Cl"

7 0
3 years ago
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Scientists decide that in an experiment on fish, all the fish will be fed the same amount of food
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This is a controlled variable
4 0
4 years ago
Draw the lewis structure of ch3nc; fill in any nonbonding electrons. Calculate the formal charge on each atom other than hydroge
jenyasd209 [6]

A visual representation of covalent bonding which represents the valence shell electrons in the molecule is said to be a Lewis structure. The lines represents the shared electron pairs and dots represents the electrons that are not involved in the bonding i.e lone pairs.

Number of valence electrons in each atom:

For Carbon, C = 4

For Hydrogen, H = 1

For Nitrogen, N = 5

The Lewis structure of CH_3NC is shown in the attached image.

The formula of calculating formula charge = FC = VE - NE- \frac{BE}{2}   -(1)

where, F.C is formal charge, V.E is number of valence electrons, N.E is number of non-bonding electrons and B.E is number of bonding electrons.

Now, calculating the formal charge:

For C on left side:

FC = 4 - 0- \frac{8}{2} = 0

For N:

FC = 5 - 0- \frac{8}{2} = +1

For C on right side:

FC = 4 - 2- \frac{6}{2} = -1

The formula charge of each atom other than hydrogen is shown in the attached image.


6 0
3 years ago
what is matter that can not be divided into two or more diffrent types of matter by any physical or chemical called/
VikaD [51]

Answer an atom

Explanation:

6 0
4 years ago
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