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Anuta_ua [19.1K]
3 years ago
11

Please helpsjejhejejejehj​

Chemistry
1 answer:
lilavasa [31]3 years ago
4 0

Answer:

oh i know play fortnite

Explanation:

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Which of the following is true about the Lewis structure of NF3? Really need help
Ganezh [65]

Answer:

All of the above.

Explanation:

Hello there!

In this case, according to the definition of the Lewis structures, which are represented by the valence electrons, we first identify that the N atom has five valence electrons and each fluorine has seven valence electrons.

In such a way, we cans say that N is the central atom due to its lower electronegativity, the molecule has 7+7+7+5=26 valence electrons and the three F-N bonds are covalent, therefore the answer is all of the above.

Regards!

7 0
3 years ago
A piece of gold wire has a diameter of .175cm. How much will precisely 1.00 x 10^5 cm of the wire weigh
Alona [7]
The main information we have to use here is the density of gold. From literature, the density of gold at room temperature is 19.32 g/cm³. To determine the mass, let's calculate the volume first. A wire is in the shape of a cylinder. Thus, the volume would be

V = πd²h/4
V = π(0.175 cm)²(1×10⁵ cm)/4
V = 2,405.28 cm³

Density = mass/volume
19.32 g/cm³ = Mass/2,405.28 cm³
Mass = 46,470 g gold wire
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In the diagram to the right, the battery provides 12 V to the circuit made up of three identical light bulbs. When the switch is
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Application Question: In Lancaster county, Pennsylvania, it is common for members of the Amish community to use wind mills to pu
Gemiola [76]

Wind blows__wind energy ____causing the turbine to turn, rotating shaft works pump__mechanical___energy.

Motion of water moving up from well___kinetic energy___energy.

Water in tank which is positioned 5 feet above the ground level______potential energy

Explanation:

Wind has in it wind energy which is then used to rotate the turbine shaft which is a form of mechanical work and hence possess mechanical energy

Moving water posses kinetic energy and when this water is kept at some height it possess potential energy

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How many grams of H2O are produced when 16.3g of O2
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