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2 years ago

What geological process(es) could form magnesium silicate perovskite at 500 C?

1 answer:

7 0

Magnesium silicate is a compound of magnesium oxide and silicon. It is the magnesium salt of silicic acid containing an unspecified amount of water. The molecular formula can be expressed more clearly as MgSiO3.

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The structure of a water molecule (H20) can be written as H-O-H, with each dash representing a chemical bond.

svet-max [94.6K]

Answer:

oxygen shows 2 bonds with hydrogen

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3 years ago

My car is 10.4 feet long. how many inches is that

In-s [12.5K]

Answer:

124.8 inches

Explanation:

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3 years ago

Read 2 more answers

What temperature does vodka freeze in fahrenheit?

zhuklara [117]

The answer is -11.2 fahrenheit.

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3 years ago

Given the following information: Mass of proton = 1.00728 amu Mass of neutron = 1.00866 amu Mass of electron = 5.486 × 10^-4 amu

lesya692 [45]

<u>Answer:</u> The nuclear binding energy of the given element is $2.938\times 10^{12}J/mol$

<u>Explanation:</u>

For the given element $_3^6\textrm{Li}$

Number of protons = 3

Number of neutrons = (6 - 3) = 3

We are given:

$m_p=1.00728amu\\m_n=1.00866amu\\A=6.015126amu$

M = mass of nucleus = $(n_p\times m_p)+(n_n\times m_n)$

$M=[(3\times 1.00728)+(3\times 1.00866)]=6.04782amu$

Calculating mass defect of the nucleus:

$\Delta m=M-A\\\Delta m=[6.04782-6.015126)]=0.032694amu=0.032694g/mol$

Converting this quantity into kg/mol, we use the conversion factor:

1 kg = 1000 g

So, $0.032694g/mol=0.032694\times 10^{-3}kg/mol$

To calculate the nuclear binding energy, we use Einstein equation, which is:

$E=\Delta mc^2$

where,

E = Nuclear binding energy = ? J/mol

$\Delta m$ = Mass defect = $0.032694\times 10^{-3}kg/mol$

c = Speed of light = $2.9979\times 10^8m/s$

Putting values in above equation, we get:

$E=0.032694\times 10^{-3}kg/mol\times (2.9979\times 10^8m/s)^2\\\\E=2.938\times 10^{12}J/mol$

Hence, the nuclear binding energy of the given element is $2.938\times 10^{12}J/mol$

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3 years ago

Which energy transition may take place in the atom if its electron has absorbed a photon?

Nitella [24]

When an electron absorbs a photon, a "quantum leap" of its energy transition takes place.

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3 years ago