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Reptile [31]
3 years ago
11

1

Chemistry
1 answer:
iogann1982 [59]3 years ago
8 0

Answer:

B

Explanation:

Water molecules combines of two hydrogen atoms and an oxygen atom

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Which of these is an example of something a civil engineer would deal with?
kiruha [24]

Answer:

Earthquake engineering

Aerospace engineering

Coastal engineering

Hydraulic engineering

environmental engineering

construction engineering

structural engineering

8 0
2 years ago
Can a particle be a single atom? Explain...
pogonyaev

no, it contains 3 basic particles. (protons, electrons, neutrons)

hope this helped

5 0
3 years ago
How does iodine help in promoting thyroid health​
faust18 [17]

Answer:

Iodine is a mineral found in some foods. The body must have iodine to make thyroid hormones. The hormones control the body's metabolism and many other important functions. Without iodine, thyroid hormone production can decrease.

Explanation:

5 0
3 years ago
A rigid sphere is falling from a height of 1m in a fluid of density 1000 m3/kg. The time it took to fall is 500 seconds. If the
Allisa [31]

Answer:

0.00191 meter is the diameter of the sphere.

Explanation:

Velocity of the rigid sphere = v=\frac{1m}{500 s}

Density of the fluid = \rho _f=1000 kg/m^3

Density of the particle= \rho _p=1100 kg/m^3

Viscosity of the fluid =\eta =100 centiPoise = 1 Poise=0.1 Kg/(m s)

Radius of the sphere  = r

v=\frac{2}{9}\times \frac{\rho _p-\rho _f}{\eta }gr^2

(Terminal velocity)

\frac{1 m}{500 s}=\frac{2}{9}\times \frac{1100 kg/m^3-1000 kg/m^3}{0.1 kg/(m s)}\times 9.8 m/s^2\times r^2

r = 0.00191 m

0.00191 meter is the diameter of the sphere.

8 0
3 years ago
Write the ground state electron configuration of w using the noble-gas shorthand notation.
kvv77 [185]
Tungsten (W) has an atomic number 74
The nearest noble gas to tungsten in the periodic table is Xe which has atomic number of 54.

Therefore, the configuration of W using the noble gas Xe will be as follows:
<span>[Xe] 4f14 5d4 6s2</span>
8 0
3 years ago
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