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2 years ago

Which of the minerals/mineral groups provides the red coloring used by artists for thousands of years

1 answer:

7 0

Given what we know, we can confirm that mercury sulfide is the mineral that provides the red coloring used by artists for thousands of years.

<h3>What is mercury sulfide?</h3>

This is a compound that can be quite toxic. It has come to be known as Cinnabar. This mineral has a distinct property in which it will provide red coloring, which drew the attention of ancient artists that used it for art and decorations.

Therefore, we can confirm that the mineral known as Cinnabar, which is mercury sulfide, is the mineral that provides the red coloring used by artists for thousands of years.

To learn more about art visit:

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The nonvolatile, nonelectrolyte testosterone, C19H28O2 (288.40 g/mol), is soluble in benzene C6H6. Calculate the osmotic pressur

dolphi86 [110]

Answer:

3.824 atm

Explanation:

From the ideal gas equation

P = mRT/MW × V

m is mass of testosterone = 12.9 g

R is gas constant = 82.057 cm^3.atm/mol.K

T is temperature of benzene solution = 298 K

MW is molecular weight of testosterone = 288.40 g/mol

V is volume of benzene solution = 286 ml = 286 cm^3

P = 12.9×82.057×298/288.4×286 = 3.824 atm

6 0

3 years ago

Over a long period of time, an igneous rock changes into a sedimentary rock. Which of these actions must have affected the igneo

Alla [95]

Answer: The actions that must have affected the igneous rock in order to form the sedimentary rock is that (It must have been broken down into sediments).

Explanation:

Rocks are solid structures that occurs naturally which is made up of different minerals. There are three main types of rocks, these includes:

--> METAMORPHIC ROCKS: These are the type of rocks which are formed by temperature and pressure changes inside the Earth.

--> SEDIMENTARY ROCKS: these rocks are usually formed from pre-existing rocks through the process of weathering (breaking down) of rocks.

--> IGNEOUS ROCKS: these rocks are formed when molten magma cools beneath or above the earth surface.

The actions that must have affected the igneous rock in order to form the sedimentary rock is that the igneous rocks are broken down into smaller pieces by erosion and weathering processes. Sediments which are formed accumulates at the earth surface. Over a long period of time, these sediments builds successive layers on top of one another. The sediments near the base hardens to form sedimentary rocks. This justifies the statement as a correct option (It must have been broken down into sediments).

3 0

3 years ago

How do we know that K2CrO4 and Ba(NO3)2 are not solids?

navik [9.2K]

I would say is because of the Boron from O?

7 0

3 years ago

Name four products of incomplete combustion<br><br> 1 - ____<br> 2 -____<br> 3 -____<br> 4 -_____

faltersainse [42]

Answer:

Carbon Monoxide / Carbon Dioxide / Sulfur and Nitrogen Dioxide

Explanation:

3 0

3 years ago

11. What are transition metals?

kolezko [41]

Answer:

Elements that fall between those on the left and right sides of the periodic table

Explanation:

Transition metals:

These are present at the center of periodic table.

These are d-block elements.

They include the elements of group 3 to 12 in periodic table.

They have large charge to radius ratio.

They mostly form paramagnetic compounds.

They shoes more than one oxidation state.

They form colored compounds.

They all have high melting and boiling point.

They have high densities.

They form stable complexes.

The elements of f-block are also transition but they are called inner transition.These are consist of two series lanthanide and actinides.

8 0

3 years ago