Answer:
The atmosphere and Earth's interior are layered by density. The differentiation between these layers is due to processes that took place during the early stages of Earth's formation (ca. 4.5 billion years ago). At this time, melting would have caused denser substances to sink toward the center while less-dense materials would have migrated to the crust.
Gravity pulls more strongly on denser materials so denser materials are at the center of things.
Explanation:
Gravity pulls more strongly on denser materials so denser materials are at the center of things. The lowest layer of the atmosphere is denser than the upper layer. Earth's liquid metal core has convection, which generates the magnetic field.
Denser materials are in the centre of the universe because they are more powerfully pulled toward the centre by gravity.
What is gravity?The force that pulls items toward the centre of a planet or other entity is called gravity. All of the planets are kept in orbit around the sun by gravity.
Gravity applies to anything that has mass. Gravity is stronger for objects with higher mass. Along with distance, gravity weakens as well. Therefore, the gravitational force of two things becomes stronger the closer they are to one another.
The mass of the Earth is what creates gravity. The total gravitational force of all of its mass acts on the weight in your body. What gives you weight is that. Additionally, you would weigh less than you do now if you were on a planet with a lower mass than Earth.
Gravity applies to anything that has mass. Gravity is stronger for objects with higher mass. Along with distance, gravity weakens as well. Therefore, the gravitational force of two things becomes stronger the closer they are to one another.
Therefore, denser materials are closer to the centre of the universe because gravity is more drawn to them.
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Magnesium has an atomic (proton) number of 12 and a mass number of 24.
How many magnesium atoms are there in 2 moles of magnesium? HELPPPPP
Answer:
1.2044x10^24 atoms
Explanation:
one mole of any element has 6.022x10^23 atoms
so 2 moles is just multiplying avogadros number by 2
2 x ( 6.022x10^23)= 1.2044x10^24 atoms
A compound is a hydrate when it
Someone pls help me I will make you brain
Answer:
I think it's true
What is the name of this process?
Answer:
Fertilization
Explanation:
Fertilization occurs when the nucleus of both a sperm and an egg fuse to form a diploid cell, known as zygote. The successful fusion of gametes forms a new organism.
how do the melting points of enantiomers compare to each other? how do the melting points of diastereomers compare to each other?
Melting points of enantiomers will not compare to each other as they have same M.P. and Diastereoisomers are compared on the basis of melting point.
What are steroisomers?Stereoisomers are those isomers which are having the same molecular formula but different spatial arrangemet of atoms within the molecule.
Enantiomers: Enantiomers are pair of two stereoisomers which are having mirror image of each other, but are not superiposable. They have the same melting point so we can not compare enantiomers on the basis of their melting point.Diastereoisomers: Diastereoisomers are pair of those stereoisomers which are not having mirror image of each other, but are superimposable.They have different physical and chemical properties, so it can be compared on the basis of melting point.Hence, only diastereoisomers are compared on the basis of melting point.
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The atomic number tells you the number of_______ in one atom of an element. It also tells you the number of_________ in a neutral atom of that element. The atomic number gives the indentity of an element as well as its location on the Periodic Table. No two different element will havr the________ atomic number
Explanation:
script ok script ok ok ok
Which of the following is an observation of a chemical property?
zinc reacts with hydrochloric acid
water boils at 100°C.
density of wood is 0.51 g/cm3
sand paper is roughly textured
HELP FAST PLEASE !!!!
Explanation:
See the table above. Periods at the side, metals at the top, non metals to the right, group to the right of that
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Direction: Answer the missing word
Answer:
i think it's higher for both u can try
Explanation:
6C6H12O6
How many total atoms of oxygen are present in the molecules represented here?
Answer:
The answer is 36 atoms
Explanation: I took the test and i got 100%
There are 36 oxygen atoms in the representation "6 C₆H₁₂O₆".
We have the expression "6 C₆H₁₂O₆", which represents 6 molecules of C₆H₁₂O₆.
The subscripts are the atomicities of the element, that is, the number of atoms of each element in 1 molecule.
There are 6 atoms of oxygen per molecule of C₆H₁₂O₆. Considering that there are 6 molecules, the total number of atoms of oxygen are:
[tex]6 Molecules \times \frac{6\ O\ atoms}{1Molecule} = 36\ O\ atoms[/tex]
There are 36 oxygen atoms in the representation "6 C₆H₁₂O₆".
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what is the relationship between gas particles and pressure
Answer:
For a fixed mass of an ideal gas kept at a fixed temperature, pressure and volume are inversely proportional. Or Boyle's law is a gas law, stating that the pressure and volume of a gas have an inverse relationship. If volume increases, then pressure decreases and vice versa, when the temperature is held constant..
Explanation:
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Ned help with this question
Which of the following is a physical property of matter
Answer: Physical properties of matter include color, hardness, malleability, solubility, electrical conductivity, density, melting point, and boiling point. For the elements, color does not vary much from one element to the next
Answer:
Physical properties of matter include;
evaporationcondensationsublimationfreezingmelting…and so on[tex].[/tex]
a regular solid box has a length of 5cm a width of 2cm and a height of 3cm what is the volume of the box
Volume of the regular solid = l × w × h
= (5 cm × 2 cm × 3 cm)
= 30 cm³
How many grams of H2O is needed to produce 0.75 moles of ?
Answer:
H2O2 + H2S → 2H2O + S? that is the answer
Someone pls help me with this I will make you brain
Answer:
The answer should be primary pollutants from a stationary source.
Explanation:
Primary pollutants are emitted directly from a source and do not change in the atmosphere, and from a stationary source because manufacturing factories have a fixed location.
Hope this helped :D
Which of the following areas would most likely see the largest amount of heat
flowing up towards the surface of Earth?
a. any area that just experienced an earthquake
b. an area of active volcanoes
c. all areas around the equator
d. heat never flows to the surface of the earth
Answer:
c. because all countries around the equator experiences heat
Someone pls help me I will mark you as brain
Answer:
1st one is the answer water cannot be purified by nature pls add me in brainliest
Which statement best describes a chemical change?
O A. A substance changes size or phase.
O B. Atoms are made and destroyed.
O C. The nuclei of atoms are rearranged.
O D. Substances form new substances.
When a strontium compound is heated in a flame, red light is produced. When a barium
compound is heated in a flame, yellow-green
light is produced. Explain why these colors are
emitted.
a major cause of rancidity of lipids in foods is exposure to
Answer:
exposure to the sun (heat and light) for long period of time and air (oxygen reacts with particles)
I NEED OXIDATION AND REDUCED FOR BOTH ASAP PLS HELP (make sure its correct)
What is the scientific method webquest answers?
I NEED HELP ASAP PLEASE
Answer: I am sorry i couldnt answer but this question is beyond me
Explanation:
Could someone please help me
Answer:
Whistle 2 has a lower pitch, but is louder.
Whistle 3 has higher pitch and is less loud.
Explanation:
The more frequent the arches are the higher the pitch.
The larger the amplitude the louder the sound is.
;D
is the moon bigger than neptune
Answer:
Neptune is bigger than the moon
Explanation:
The circumference of the moon is 6,783.5 miles
The circumference of Neptune is 96,129 miles
This means neptunes circumference is about 14 times the size of the moons
how many electrons must beryllium gain or lose to form stable ions
Explanation:
beryllium must loss 2 electrons to form a stable octet to its nearest noble gas Helium.
It can loss electron because it is a metal and is placed in 2group and 2 period in group of alkaline earth metals.
hope this helps you to.
Which phrase best describes electronegativity?(1 point)
A.) the partial charge an element carries in a covalent or ionic bond
B.) the number of electrons an element shares in an ionic bond
C.) the number of electrons an element has
D.) the relative strength with which an element attracts electrons in a chemical bond
Answer:
ELECTRONEGATIVITY is the tendency of an atom in the molecule to attract the bonded pair of electrons .
Explanation:
it might help you!!!!!!
Answer:
the relative strength with which an element attracts electrons in a chemical bond
Explanation:
What do all of the cells have in common?
A) cell membrane B) endoplasmic reticulum C) flagellum D) nucleus
A space that is totally empty without any matter is called
