3 years ago

Which element listed below is a nonmetal?

Chemistry

2 answers:

valina [46]3 years ago

8 0

The awnser is chlorine (Cl) trust me

alukav5142 [94]3 years ago

3 0

Answer:

D: Chlorine( I may be wrong my chemistry year was a nightmare)

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The element with atomic number 35 belongs to

dedylja [7]

Bromine is a chemical element with the symbol Br and atomic number 35.

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True/False: The Northern Hemisphere experiences winter when Earth is farthest from the sun.

baherus [9]

Answer:

False

Explanation:

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Lattice energy is an estimate of the bond conductivity group length strength

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Oil (specific gravity of 0.80 and a viscosity of 0.000042 lbf/ft2) at a temperature of 80 F flows through two separate pipes 10

Elenna [48]

Answer:

The velocity of flow in 10in pipe is 4.16 ft/s.

Explanation:

Given that

Specific gravity = 0.8

Viscosity =0.00042 $lbf/ft^2$

For pipe 1

$V_1=6 ft/s,d_1=12\ in$

For pipe 1

$V_2,d_1=10\ in$

If we assume that flow in the both pipe is laminar

For laminar flow through circular pipe

$\dfrac{\Delta P}{L}=\dfrac{32V\mu }{d^2}$

So same pressure drop we can say that

$\dfrac{V_1 }{d^2_1}=\dfrac{V_2}{d^2_2}$

$\dfrac{6}{12^2}=\dfrac{V_2}{10^2}$

$V_2=4.16 ft/s$

So the velocity of flow in 10in pipe is 4.16 ft/s.

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4 years ago

Which of the following statements is true about the relationships between photon energy, wavelength, and frequency?

iris [78.8K]

Answer: The Answer is A.

Explanation:

The amount of energy is directly proportional to the photon's electromagnetic frequency and thus, equivalently, is inversely proportional to the wavelength. The higher the photon's frequency, the higher its energy. Equivalently, the longer the photon's wavelength, the lower its energy.

Hope this Helps!

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