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3 years ago

Can somebody plz help answer these questions plz (grwde7science) only if u know how to do it thx :3

Chemistry

1 answer:

dem82 [27]3 years ago

8 0

1. Crystallization. Magma cools either underground or on the surface and hardens into an igneous rock.
2. weathering and erosion
3. This happens due to geologic uplift and the erosion of the rock and soil above them. At the surface, metamorphic rocks will be exposed to weathering processes and may break down into sediment.
4. Rock Melting.
Metamorphic rocks underground melt to become magma. If you need more help https://www.ck12.org/earth-science/rock-cycle-processes/lesson/Rocks-and-Processes-of-the-Rock-Cycle-HS-ES/

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A student performs an exothermic reaction in a beaker and measures the temperature. If the thermometer initially reads 35 degree

Ksju [112]

Answer:

Explanation:

Exothermic means that heat is released from the reaction

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How do the ions in metals behave?

nikdorinn [45]

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3 years ago

Relative to the mass of the nucleous of a atom. the mass of electron is

Paladinen [302]

The number of protons found in the nucleus equals the number of electrons that surround it, giving the atom a neutral charge (neutrons have zero charge). Most of an atom's mass is in its nucleus; the mass of an electron is only 1/1836 the mass of the lightest nucleus, that of hydrogen.Hoped this helped

5 0

3 years ago

uh id.k how to fill this out, i mean the type of reaction part is obvious but id.k what to put in the box and the other blue par

Studentka2010 [4]

Answer:

Explanation:

Strontium chlorate appears as a moist solid or semi-solid slurry of white crystals. May explode under exposure to heat or fire. Used in pyrotechnics

strontium chlorate | Sr(ClO3)2 - PubChem.

Description: Strontium chlorate appears as a ...

Synonyms: STRONTIUM CHLORATE7791-10-...

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8 0

3 years ago

. What is the molarity of a solution that was prepared by dissolving 80.0 g of CaCl2 (molar mass = 111.1 g/mol) in enough water

garri49 [273]

Explanation:

Molarity = mol/L or g/L

Data:

Mass>80.0g

Mr of CaCl2>111.1g/mol

V>500mL

Convert mL to Litres;. mole=g/Mr

1L=1000mL. =80g/111.1g/mol

x=500mL. =0.720072007mol

x=0.5L

Molarity= mole/volume

=0.720072007mol/0.5L

=1.440144014mol/L

=1.4401mol/L

Hope this helps. Depending on the question you can also find it in g/L but mol/L is safer.

7 0

2 years ago