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Advocard [28]
2 years ago
5

Using g= 10 m/s?, find the weight of a 3 kg mass.

Chemistry
1 answer:
Wewaii [24]2 years ago
3 0

Answer:

30 N

Explanation:

weight = mass * g

w = mg

w 3*10

w = 30

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Ierofanga [76]

Explanation:

Percentage Yield

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3 years ago
The electronic configuration of an element is given below.
Shalnov [3]

Answer:

It is reactive because it has to gain an electron to have a full outermost energy level.

Explanation:

The electron configuration of oxygen is 1s2,2s2 2p4.

Oxygen is in group six in the periodic table so it has six electrons in its valence shell. This means that it needs to gain two electrons to obey the octet rule and have a full outer shell of electrons (eight).  

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2 years ago
What happens to the potential energy of a book that is dropped from a desk to the floor?
Debora [2.8K]

Answer:

D.   It is converted into kinetic energy.

Explanation:

When a book is dropped from a desk to the floor, the potential energy of the book is converted to kinetic energy as it falls.

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4 0
3 years ago
Convert 135 Meters to kilometers
tamaranim1 [39]

Answer:

0.135 km

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7 0
2 years ago
Describe the structure of atoms including the masses, electrical, charges, and locations of protons, neutrons in the nucleus ,an
steposvetlana [31]

Answer:

The nucleus (center) of the atom contains the protons (positively charged) and the neutrons (no charge).

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The nucleus (center) of the atom contains the protons (positively charged) and the neutrons (no charge).

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