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nikitadnepr [17]
3 years ago
15

gold has a melting point of 1064 degrees celsius and and a boiling point of 2700 degrees celsius at what temperature will gold b

ecome a liquid
Chemistry
1 answer:
Alex777 [14]3 years ago
4 0

Answer: The gold will become liquid at 1064°C.

Explanation:

Melting point is defined as the temperature at which solid state starts to change its phase into liquid state at constant temperature.

Solid\rightleftharpoons Liquid

Boiling point is defined as the temperature at which liquid state starts starts to change its phase into gaseous state at constant temperature.

Liquid\rightleftharpoons Gas

For the given gold substance:

Melting point is given as 1064°C and boiling point is given as 2700°C.

This substance will be in liquid state after its melting point which is 1064°C.

Hence, the gold will become liquid at 1064°C.

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The products
alexandr1967 [171]

Answer:

The products  of self-ionization of water are OH⁻ and H⁺.

Explanation:

  • The water is self ionized according to the equation:

<em>H₂O → OH⁻ + H⁺. </em>

<em></em>

The ionic product for water (Kw) = [OH⁻][H⁺] = 10⁻¹⁴.

Kw is also called "self-ionization constant" or "auto-ionization constant".

6 0
4 years ago
Which of the following best describes an empirical formula?
Monica [59]

Answer:

Option C :

a chemical formula that shows the relative number of each type of atom in a molecule, using the smallest possible ratio

Explanation:

Empirical Formula:

Empirical formula is the simplest ration of atoms in the molecule but not all numbers of atoms in a compound.

So,

Tha ration of the molecular formula should be divided by whole number to get the simplest ratio of molecule

For Example

      C₂H₆O₂ Consist of  Carbon (C), Hydrogen (H), and Oxygen (O)

Now

Look at the ratio of these three atoms in the compound

                         C : H : O

                         2 : 6 : 2

Divide the ratio by two to get simplest ratio

                          C : H : O

                         2/2 : 6/2 : 2/2

                             1 : 3 : 1

So for the empirical formula the simplest ratio of carbon to hydrogen to oxygen is 1:3:1

So the empirical formula will be

                     Empirical formula of C₂H₆O₂ = CH₃O

So, Option C is correct :

a chemical formula that shows the relative number of each type of atom in a molecule, using the smallest possible ratio

6 0
3 years ago
Highly liquid lava forms wide, shield-like mountains. True False
timurjin [86]
This answer is True :)
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In the following reaction, C6H6)? 2C6H6 + 15O2 12CO2 + 6H2O,
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3 0
3 years ago
How is the weathering of rocks by water different from the weathering of rocks by ice?
andrey2020 [161]

Answer:

It is because water is liquid and it can be weathered easily. While weathering by solid is a bit dangerous because of its hardness.

Explanation:

4 0
2 years ago
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