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3 years ago

Mercury may have lost part of its mantle and crust to a _ leaving it with a large, metal _.

Chemistry

1 answer:

igomit [66]3 years ago

3 0

<h2>Giant impact and metalcore.</h2>

Explanation :

Mercury has a large core of liquid metal.
The metal core is of iron metal.
The core is surrounded by a mantle which is made up of silica and a solid outer crust.
In the case of Mercury, the total core percentage is 42% of the planet while the Earth's core is only 17% of the planet.
Mercury has lost part of its mantle and crust that left the mercury with a large metal core.

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Answer:

increase the chemical rate

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katrin [286]

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The total charge of an atom comes from

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2 years ago

A sample of helium gas in a balloon is compressed from 4.0 L to 3.2 L at a constant temperature. If the pressure of the gas in t

vampirchik [111]

Answer:

286 kPa

Explanation:

Boyles law states that volume of gas is inversely proportional to pressure o gas for a fixed amount of gas at constant temperature

P1V1 = P2V2

where P1 is pressure and V1 is volume at first instance

P2 is pressure and V2 is volume at the second instance

substituting the values in the equation

229 kPa x 4.0 L = P2 x 3.2 L

P2 = 286.25 kPa

the new pressure is 286 kPa

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3 years ago

What is the number of moles in 15.0 g AsH3?

pentagon [3]

We are given with the mass of Arsine ( $AsH_{3}$

The mass of arsine is 15g

there is a relation between moles, mass and molar mass of any compound which is

$moles=\frac{mass}{molarmass}$

The molar mass of Arsine = atomic mass of As + 3X atomic mass of H

the molar mass of Arsine = 74.92 + 3X 1 = 77.92 g/mol

Let us calculate the moles as

$moles=\frac{15}{77.92}=0.192mol$

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3 years ago

Mercury may have lost part of its mantle and crust to a _______ leaving it with a large, metal _______.

Mercury may have lost part of its mantle and crust to a _ leaving it with a large, metal _.