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3 years ago

how does the density of oceanic crust differ from that of continental crust ? why is this difference important

1 answer:

3 0

<span>Oceanic crust is denser than continental crust. This is partly why the continents are at a higher elevation than the ocean floor.</span>

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The speed of light is 3.0 x 10^8 m.s^-1. what is the speed in nm.ms^-1 ?

snow_lady [41]

Answer:

$c=3\times 10^{17}\ nm/s$

Explanation:

The speed of light is $3\times 10^8\ m/s$ . It is required to convert it into nm/s.

The relation between nm and m is as follows :

$1\ nm=10^{-9}\ m\\\\1\ m=10^9\ nm$

So,

$c=3\times 10^8\ m/s \\\\c=3\times 10^8\times 10^9\ nm/s\\\\c=3\times 10^{17}\ nm/s$

So, the speed of light is $3\times 10^{17}\ nm/s$ .

8 0

3 years ago

Fill in the missing symbol and name the reaction:

damaskus [11]

Answer:

Give ur life to Jesus Christ before its to late!!!!!!!!!!

Explanation:

5 0

3 years ago

Use the drop-down menus to identify the electromagnetic waves.

mezya [45]

Answer:

Label A - Radio waves

Label C - Infrared

Label D - Visible light

Label G- Gamma rays

Explanation:

Electromagnetic spectrum is an arrangement of electromagnetic waves in order of their varying frequencies and wavelengths,
Radiowaves have the highest wavelength and lowest frequency while the gamma rays have the lowest wavelength and the highest frequency.
In order of increasing wavelength and decreasing frequency the electromagnetic waves are; Gamma rays, X-rays, U.V light, Visible light, infrared waves, microwaves, and Radio waves.

6 0

3 years ago

Read 2 more answers

Two well-known complex ions containing ni are [ni(h2o)6]2+, which is green, and [ni(en)3]2+, which is purple. which one of these

Julli [10]

For [Ni(en)³]²⁺ which is purple, the crystal field splitting energy is greater than the complex ion, [Ni(H₂O)₆]²⁺ which is green in color.
When a Lewis base id attached to the metal ion by covalent bond, then the complex ion is formed and when these complex ions are present with other ions of opposite charge or neutral charge, they will make complex compounds.

7 0

3 years ago

A vessel contained N2, Ar, He, and Ne. The total pressure in the vessel was 1100 torr. The partial pressures of nitrogen, argon,

geniusboy [140]

Answer:

Partial pressure Ne = 340 Torr

Option B

Explanation:

Gases contained in the vessel:

N₂, Ar, He, Ne

One of Dalton's law for gases determine this:

In a mixture of gases contained in a vessel, total pressure of the system must be the sum of partial pressure of each gas.

Total pressure = 1100 Torr

Let's replace:

Partial pressure N₂ + Partial pressure Ar + Partial pressure He + Partial pressure Ne = 1100 Torr

Partial pressure Ne = 1100 Torr - Partial pressure N₂ - Partial pressure Ar -Partial pressure He

Partial pressure Ne = 1100 Torr - 110 Torr - 250 Torr - 400 Torr

Partial pressure Ne = 340 Torr

8 0

3 years ago