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Mnenie [13.5K]
3 years ago
15

Which type of rock forms as a result of cooling and crystallization?

Chemistry
2 answers:
allochka39001 [22]3 years ago
5 0
Igneous <span>rock ! Of course oh how i miss middle school.........</span>
kirill115 [55]3 years ago
3 0

Answer:

The answer is <em><u>igneous rock.</u></em>

Explanation:

There are three types of rocks:

Sedimentary rocks: these are the rock which composed of sand particles , pebbles, stones , shells etc and other fragments of material. There gradual accumulation over each other in the form of layers with a span of time gets harden and take s the shape of a big rock.

For example : limestone

Metamorphic rocks: These are the rock form under the surface of the rock due to high temperature and pressure under the earth surface.

For example : marble.

Igneous rocks: These are the rocks which are formed due to cooling of hot molten rocks that is magma.Sometimes under the earth due to cooling and hardening. Some times these types of rocks are also formed on the surface of the earth, by the means of eruption magma comes to surface of the earth and due fast cooling it gets hard to form rock.

For example : obsidian.

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An atom has atomic number 5 and mass number 11. How many protons does the atom have? 5 6 10 11
spin [16.1K]

Answer:

6 neutrons. The mass number is the number of protons and neutrons in the nucleus of an atom. The atomic number shows how many protons. Subract the atomic number from the mass number to find the number of neutrons.

Explanation:

6 0
3 years ago
Read 2 more answers
2Na2SO4 :How many atoms for each element are in the formula?<br><br> S=<br> O=<br> Na=
yuradex [85]

Answer:

S=  2(1)  = 2

O=  2(4)  = 8

Na= 2(2)  = 4

Explanation:

The given compound is:

          2Na₂SO₄  

An element is a distinct substance that cannot be split up into simpler substances.

So;

  Number of atoms of elements here are:

S=  2(1)  = 2

O=  2(4)  = 8

Na= 2(2)  = 4

6 0
2 years ago
0.785 moles of N2,fill a balloon at 1.5 atm and 301 K.<br> What is the volume of the balloon?
Tcecarenko [31]

Answer:

V = 12.93 L

Explanation:

Given data:

Number of moles = 0.785 mol

Pressure of balloon = 1.5 atm

Temperature = 301 K

Volume of balloon = ?

Solution:

The given problem will be solve by using general gas equation,

PV = nRT

P= Pressure

V = volume

n = number of moles

R = general gas constant = 0.0821 atm.L/ mol.K  

T = temperature in kelvin

Now we will put the values.

V = nRT/P

V = 0.785 mol × 0.0821 atm.L/ mol.K × 301 K / 1.5 atm

V = 19.4 L /1.5

V = 12.93 L

7 0
3 years ago
Is there such thing as a pure mixture?
prisoha [69]
Pure substances are further broken down into elements and compounds. Mixture are physically combined structures that can be separated into their original components. A chemical substance is composed of one type of atom or molecule.
3 0
3 years ago
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What is solar energy?
IrinaVladis [17]

Answer:

Solar energy is energy from the sun converting it to thermal or electric energy. It is renewable resource meaning it will never die out. It is also called radiant energy.

Explanation:

6 0
3 years ago
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