Explanation:
Biological in the ocean is affected by the water cycle via the Mixed Layer Depth and Run off from land. Salinity and temperature determine the density of ocean water, and density influences the circulation. E-P determines surface salinity of the ocean, which helps determine the stability of the water column.
What is the mass of 4.49 x 10º carbon dioxide, CO2, molecules?
Which statement best explains why the air pressure is greater at the poles than at the equator
Answer:
At the equator, the altitude is lower, and also because of the direct heating of sun rays on the surface, the temperature is much higher than at the poles. This makes the air near the surface hot and lighter and hence it rises up which results in lower air pressure.
Explanation:
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list the elements symbols for the elements that are designated with neon green
Answer:
h,c,n,o,p those are the elements
Which change would increase the pressure exerted by a gas?
removing gas molecules from the container
transferring the gas to a larger container
raising the temperature of the gas
reducing the force of the molecules hitting the container
Answer:
C - raising the temperature of a gas
Explanation:
as you raise temperature, kinetic energy rises, and so does pressure
Answer:
C.
raising the temperature of the gas
Explanation:
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Aquanauts explore the area called?
Answer:
Inner space
Explanation:
I hope this helps
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What is the amount of mass in each given unit of volume?
Answer:
Each volumn is different and therefore has a specific and unique mass.
Explain how you would dilute a 1 mol/dm solution to one-tenth of its original
concentration.
Answer:
13.123.
Explanation:
This picture shows a model if a cell. What is the main function of the part labeled Z in the model?
Answer:
store water so b
Explanation:
labeled Z in the model refers to store food and other material in the cell.
what is cell?
cell can be defined as the basic unit of the living cell, it can be unicellular or multicellular. unicellular organism are prokaryote and some of the unicellular eukaryotes whereas multicellular organisms are eukaryotes like plants and animals.
a basic component of cell are cell membrane, cytoplasm, nucleus, mitochondria, lysosome, golgi body, endoplasmic reticulum.
cell wall only present in plant cell and prokaryotic cell while it is absent in animal cell, the function of cell wall is to provide protection
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How much space does 2 x 10^22 atoms of copper take up?
Answer:
2.35mL
Explanation:
The amount of space a substance holds is its volume.
Density = mass (g) /volume (L)
Where;
mole = mass/molar mass
Since 1 mol of Cu contains 6.022 × 10^22 atoms.
There are 2 x 10^22/6.022 × 10^22 moles in 2 x 10^22 atoms of copper
2 x 10^22/6.022 × 10^22
2/6.022 × 10^(22-22)
0.332 × 10^0
0.332mol
Mole = mass/molar mass
0.332 = mass/63.5
mass = 63.5 × 0.332
mass = 21.08g
Density = mass/volume
Density of copper (Cu) is 8.96 g/cm³
8.96 = 21.08/v
V = 21.08/8.96
V = 2.35mL or cm³
Which electron configuration represents the electrons in an atom of sulfur in an excited state? 2 – 8 – 6
2 – 7 – 7
2 – 8 – 7
2 – 7 – 8
The relations of the quantum numbers allow to find that the correct answer for the configuration of the excited state is:
2 - 7 - 7
The electronic configuration of the elements is the distribution of electrons and different levels and sublevels fulfilling the relationships between quantum numbers.
The principal quantum number (n) goes from 0 to infinity The orbital quantum number (l) goes from 0 to n-1, in general it is represented by lera s, p, d, f The magnetic quantum number ([tex]m_l[/tex]) ranges from -l to l The spin quantum number ([tex]m_s[/tex]) can have two values + ½ and - ½
In the base configuration Sulfur of the periodic table is 2 - 8 - 6
This is at the lowest energy configuration, when the atom acquires energy, an electron from its shell must be promoted to the next level.
That is, an electron from level n = 2 that is full is promoted to level n = 3 since in this shell there is still room for two electrons, the configuration of the excited state is:
2- 7 - 7
Let's examine the different alternatives:
1) 2 - 8 -6
False, this is the configuration of the base state
2) 2 - 7 - 7
True. An electron is promoted to the next level due to the excitation of the atom
3) 2 - 8 -7
False, in this configuration the atom becomes an ion
4) 2 - 7 - 8
False, there is an electron transfer between two levels, but there is an extra electron that turns that atom into an ion
In conclusion using the relationships of quantum numbers we can find that the correct answer for the excited state configuration is:
2 - 7 - 7Learn more here: brainly.com/question/16762037
In Ernest Rutherford's gold foil experiments, some alpha particles were deflected from their original paths, but most passed through the foil with no deflection. Which statement about gold atoms is supported by these experimental observations?
Gold atoms consist mostly of empty space.
Gold atoms are similar to alpha particles.
Alpha particles and gold nuclei have opposite charges.
Alpha particles are less dense than gold atoms.
Answer:
A
Explanation:
You are exploring a dormat volcano. As you walk, you first notice volcanic ash. As you continue in the same direction you find pieces of Lapilli. At the point where you find the lapilli are you closer or further away from the crater? Please answer this im desperate!
Answer:
you are closer
Explanation:
lapilli is formed from volcanic ash particles, which is something we saw earlier. the particles turn into lapilli when they get moist usually by the magma caused from eruptions
-79.6 -80 -81.2. is the correct answer
Which of the following is the correct model of C7H16?
A.
B.
C.
D.
Answer:
D
Explanation:
Option D gives the correct model of C7H16. From the option, one will discover that the model has 7 carbons in the backbone. If you count the attached hydrogen, you will discover that the hydrogen is 16 in total.
This model or skeletal structure of this element represents heptane. Heptane or n-heptane is known to be a straight-chain compound and an alkane. It's chemical formula can also be written as: H₃C(CH₂)₅CH₃ or C₇H₁₆.
This compound is known to be one of the main components of gasoline. It is known to be a volatile organic compound and a clear and colorless liquids with a petroleum-like odor.
Answer: D
Explanation: Just took the test
Which of the following is true about pure substances? A. A pure substance has the same chemical properties throughout. All pure substances are unable to be separated by any means. c. A pure substance can only be made up of one kind of atom. D. A pure substance can always be separated by physical means.
Answer:first one
Explanation:
A pure substance has same chemical properties throughout , it cannot be separated by any means and it is made up of one kind of atom.
What are chemical properties?
These properties are defined as those properties which become evident during or after a chemical reaction after the identity of the substance is changed during chemical reaction.
These properties cannot be determined externally just by viewing the substance ,these change immensely after a substance undergoes a chemical change.These are used for identification of unknown substances and for building up chemical classifications.
The major chemical properties are flammability,toxicity,reactivity,acidity and heat of combustion.For a chemical property to be apparent , it is necessary that the structure of the substance is altered.
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how many elements belong to the Halogen family? list the member element by thier symbol.
Answer: six elements
Explanation: fluorine (F), chlorine (Cl), bromine (Br), iodine (I), astatine (As), and tennessine (Ts)
Answer:
there are six elements
If water does break down by electrolysis to form new substances, what might be formed?
Please he with c
Please I swear I am crying
You put a drop of food coloring into a container of room temperature water and watched as the color spread out in the water. Describe what caused the color to spread. (You do NOT stir it)
Answer:the dye is heavier than the water so the substances fuse together instead of sitting at the top much like the phenomenon with oil and water combination
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1 pc
Calculate the volume of a an object that has a height of 14.3cm, length or
25.2cm, width of 6.7cm. *
46.2cm
2414.412 cm
0.085 cm
53.785 cm
Answer:0.085
Explanation:
A young girl has blue eyes.
Which statement explains how the young girl inherited her blue eye color?
A. The girl received proteins from her mother and father that coded for blue eye color.
B. The girl received blue pigments from her mother and father that formed her blue eye color.
O c The girl received cells from her mother and father that blended together to form her blue eye color.
D. The girl received chromosomes from her mother and father containing DNA that coded for blue eye color.
Answer:
D
Explanation:
( I hope that this helps )
Answer:
The answer is d
Explanation:
Which particle is NOT made up of quarks?
A: a proton
B: a neutron
C: an electron
Answer: C: an electron
Explanation:
Answer:
C: electrons
Explanation:
What is an atomic theory?
What is an isotope?
How is the atomic mass of an element calculated?
Answer:
Atomic theory is the scientific theory that matter is composed of particles called atoms.
isotopes are variants of a particular chemical element which differ in neutron number, and consequently in nucleon number.
to calculate the atomic mass of a single atom of an element, add up the mass of protons and neutrons.
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Explanation:
Water can undergo a change of state when its energy changes at specific temperatures. Solid water, or ice, changes into liquid water when its energy increases at its melting point. a. Describe this process. b. Explain how the energy changes with each state.
Answer: The solid turns into liquid during melting.
Explanation:
a. The process of a solid turning into liquid is called melting. The solid ice turns into a liquid during the melting process. The solid molecules gain energy and flow as a liquid.
b. The energy of the molecules increases in the liquid state. When the ice turns into a liquid the energy of the molecules increases. The application of heat or excess temperature increases the energy of the molecules.
is ice forming and then melting back into water a physical change
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The diagram shows a model of an animal cell. Explain how you'd modify the model to show the structures in a plant cell.
Answer:to show the structures of a plant cell,add a cell wall around the membrane and increase the size of the vaculoe insidethe cell, draw green ovals to represent chloroplasts.
Explanation:
Which statements about scientific explanations are true?
I. Scientific explanations must prove that a hypothesis is true.
II. Scientific explanations should be based on evidence or data.
III. Scientific explanations must have logical and consistent arguments.
IV. Scientific explanations should use scientific principles, models, and theories.
Answer:
The statement that is true is:
II. Scientific explanations should be based on evidence or data.
~Lylliara Jackson~
How many protons, electrons and neutrons do A nitrogen atom with atomic number 7 and mass number 14
Answer:
p =7
e = 7
n = 7
Explanation:
proton = atom number
electron = atom number - muatan
neutron = mass nimber - atomic number
Is steam a water , oxygen or hydrogen molecule ?
Answer:
In thermolysis, water molecules split into their atomic components hydrogen and oxygen. For example, at 2200 °C about three percent of all H2O are dissociated into various combinations of hydrogen and oxygen atoms, mostly H, H2, O, O2, and OH.
Explanation: