Answer:
The answer is B
Explanation:
how can an xray image show differences between bone and soft tissues, such as muscles and lungs? How might the atoms that make up bones be different from the atoms that make up soft tissues?
Answer with Explanation:
1. An "x-ray image" shows the difference between the bones and soft tissues because the bones appear white in color while the soft tissues appear gray in color.
2. The reason behind the difference in the appearance of bones and soft tissues on the x-ray film is their density. Bones are denser than soft tissues, which means that its atoms are closely-knitted when compared to the soft tissues that are far apart from each other. This allows the x-ray radiation to be absorbed by the bone while it passes through most of the soft tissues.
This is the reason why pregnant women are advised not to undergo an x-ray examination because the fetus is denser and it will surely absorb the x-ray radiation.
An X ray is a X wave radiation that can penetrate from a high EMR and has wavelengths that are shorter than the UV rays. The concept of X rays where discovered in 1895.
The X ray image shows the difference between bones and the soft tissues. As the bones appear to be white in color and soft tissues appear grey in color. As lungs also consists of bones they can vividly shown. Due to the bones being made of calcium they are different form the atoms that makes the soft tissues.Learn more about the x-ray image show differences between bone and soft.
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4) What is one advantage of using non-renewable resources?
Answer:
The main advantages of non-renewable energies is that they are abundant and affordable. For example, oil and diesel are still good choices for powering vehicles. Non-renewable energy is cost effective and easier to product and use.
Explanation:
there yah go
How many molecules OF2 would have a mass of .132 g
1.47 × 10²¹ molecules OF₂
General Formulas and Concepts:Math
Pre-Algebra
Order of Operations: BPEMDAS
Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to RightChemistry
Atomic Structure
Reading a Periodic TableAvogadro's Number - 6.022 × 10²³ atoms, molecules, formula units, etc.Stoichiometry
Using Dimensional Analysis Explanation:Step 1: Define
0.132 g OF₂
Step 2: Identify Conversions
Avogadro's Number
Molar Mass of O - 16.00 g/mol
Molar Mass of F - 19.00 g/mol
Molar Mass of OF₂ - 16.00 + 2(19.00) = 54.00 g/mol
Step 3: Convert
Set up: [tex]\displaystyle 0.132 \ g \ OF_2(\frac{1 \ mol \ OF_2}{54.00 \ g \ OF_2})(\frac{6.022 \cdot 10^{23} \ molecules \ OF_2}{1 \ mol \ OF_2})[/tex]Divide/Multiply: [tex]\displaystyle 1.47204 \cdot 10^{21} \ molecules \ OF_2[/tex]Step 4: Check
Follow sig fig rules and round. We are given 3 sig figs.
1.47204 × 10²¹ molecules OF₂ ≈ 1.47 × 10²¹ molecules OF₂
Which structures group together to form a system in the human body
Answer:
organs group together to form organ systems
Explanation:
What function does this cytoplasm perform in a plant and animal cells
Answer:
It helps shape, while holding and keeping organelles in their place.
Explanation:
Answer:
it holds the cell organelles
Explanation:
You are welcome
What do the molecules do when they gain more kinetic energy and how does that affect the density?
The more kinetic energy a substance has, the warmer it will be and the faster particles will be moving, which reduces the density of the substance
Urgent!!! Label these please!
Answer:
sorry but what is that what will do to thatH2O+O2=H202, how would I balance this equation?
Answer:
2H2O2→2H2O+O2
Explanation:
This reaction is of the spontaneous decomposition of hydrogen peroxide down into water and oxygen.
Add 2 molecules of hydrogen peroxide and 2 molecules of water. Since oxygen is naturally diatomic, the total number of atoms of each element is now the same on both sides of the equation so it is balanced.
2H2O2→2H2O+O2
What is the mass number of chlorine?
Answer:
Explanation:
35.453 u
1.
What part of the human body is the wing most like? ANSWER
Help
What part of the human body is most likely the wing would proabably from your elbow joint and the rest of your arm but most likely it would be the elbow joint.
How many molecules are in 2.0 moles of oxygen gas
Answer:
6.02 X 1023 molecules
Explanation:
Can someone please help me
Answer:
I would say w is the answer
Answer
The answer is W
What does it mean when there is a coefficient placed before a molecule?
Provide two examples to explain your understanding.
Answer:
Coefficients are used in all chemical equations to show the relative amounts of each substance present. This amount can represent either the relative number of molecules, or the relative number of moles (described below). If no coefficient is shown, a one (1) is assumed.
Explanation:
How does thermal energy affect chemical changes
Answer:
It makes chemicals hot or cold which makes chemicals react differently
Explanation:
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Explain the following terms Sublimation
Answer:
Sublimation is the transition of a substance directly from the solid to the gas state, without passing through the liquid state. ... The reverse process of sublimation is deposition or desublimation, in which a substance passes directly from a gas to a solid phase.
Many disciplines are involved in environmental science, including chemistry and biology which ___ and economics and political science which __. Multiple choice question.
Answer:
Contribute evidence; help us understand how people use resources.
Explanation:
Environmental science can be defined as an interdisciplinary field of science that comprises of chemistry, economics, engineering, zoology, geography, geology, biology, ecology, physics, etc., used for the study and understanding of various environmental factors, issues in relation to human life.
Many disciplines are involved in environmental science, including chemistry and biology which contribute evidence and economics and political science which help us understand how people use resources in the production of goods and services to meet the need or requirements of consumer. These resources include land, labor, entrepreneurship and capital.
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What is a paleontologist?
A rectangular block of copper metal has a mass of 1896 grams. The volume of the block is 2cm^3. From this data, what is the density of the copper?(Please show how you got this answer)
Name the four different types of Spheres belonging to Earth and give examples of Renewable resource and the Biotic factors that exist in those spheres. There are three Abiotic (Non Living) spheres and the Biotic (Living)Biosphere exist within the three of the others
Write a short summary of the renewable resources in each sphere and explain how the biosphere interacts within the three of them
Answer:
Everything in Earth's system can be placed into one of four major subsystems: land, water, living things, or air. These four subsystems are called "spheres." Specifically, they are the "lithosphere" (land), "hydrosphere" (water), "biosphere" (living things), and "atmosphere" (air).
Explanation:
How has the way humans communicate changed over time?
If the heat of combustion for a specific compound is −1160.0 kJ/mol and its molar mass is 86.47 g/mol, how many grams of this compound must you burn to release 541.20 kJ of heat?
Answer:
40.34 g
Explanation:
First, we divide the heat to release by the heat of combustion to obtain the required moles of compound:
541.20 kJ/(1160.00 kJ/mol) = 0.4665 mol
So, we have to burn approximately 0.47 mol of the compound. We convert the moles to mass in grams by using the molar mass:
mass = molar mass x moles = 86.47 g/mol x 0.4665 mol = 40.34 g
Therefore, you must burn 40.34 grams of the compound to release 541.20 kJ of heat.
Please select the word from the list that best fits the definition
stage in a star's evolution formed as the core of a main sequence star uses up its helium and the outer layers escape into
Explanation:
Giant Gas Cloud. A star originates from a large cloud of gas. ...
Protostar. When the gas particles in the molecular cloud run into each other, heat energy is produced. ...
T-Tauri Phase. ...
Main Sequence. ...
Red Giant. ...
The Fusion of Heavier Elements. ...
Supernovae and Planetary Nebulae
5.Calculate the number of moles of 18.0 dm3 of carbon monoxide (CO) at rtp.
Answer:
0.81mole
Explanation:
Given:
Volume of carbon monoxide = 18dm³
Unknown
Number of moles of carbon monoxide = ?
Solution:
To solve this problem;
1 mole of any gas at rtp occupies a volume of 22.4dm³
So;
x mole of carbon monoxide will occupy a volume of 18dm³ at rtp
22.4x = 18
x = [tex]\frac{18}{22.4}[/tex] = 0.81mole
What is the name of the family highlighted of
the periodic table above? How many valence
electrons does it have?
If one parent has sickle cell anemia and the other parent is a carrier, what is the possibility that their child will have sickle cell anemia
What would happen to the entropy in the reaction 2O^3(9) ► 3O^2 (g)?
O A. It decreases.
O B. It increases
O c. It stays the same.
O D. It is impossible to tell.
HELP PLS 50 POINTSSSS
Listed in the Item Bank are some key terms and expressions associated with the categories seen in the Venn Diagram. To find out more
information about items, some have more details available when you click on them. Drag and drop each item onto the proper area of the
diagram. If an item describes more than one category, be sure to place it in the overlapping space.
ITEM BANK: Move to Bottom
Carbon dioxide is a product. Carbon dioxide is a reactant. Carried out in animals.
Carried out in plants
Chemical Reaction
Oxygen is a product
Oxygen is reactant Produces usable energy sourc
Cellular Respiration
Both
Photosynthesis
Answer:
Carbon dioxide is a product (cellular respiration)
Carbon dioxide is a reactant(photosynthesis)
Carried out in animals(cellular respiration)
Carried out in plants(both)
Chemical reaction(cellular respiration)
Oxygen is a product(photosynthesis)
Oxygen is a reactant(cellular respiration)
Produces usable energy source(photosynthesis)
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Answer:attached is the correct answer
Explanation:
Photosynthesis and Respiration
Which element creates an ion who is LARGER in size than the original atom? Rb Rn S Ca
Answer:
The element S creates an ion which is larger in size than the original atom.
Explanation:
The atomic radius of elements is a measure of the size of atoms of elements. The atomic radius is defined as one-half the distance between the nuclei of identical atoms that are bonded together. Atomic radius increases on going down the group in the period table but decreases on going rom left to right across a period in the periodic able. The increase in atomic radius on going down the group is due to the addition of an extra electron shell to successive atoms of elements in a group. However, atomic radius decreases across a period due to increase in the positive charge of the nucleus of elements in the same period.
When atoms of elements form ions, the ionic radius of the resulting ion can either increase or decrease. For positive ions, the ionic radii decreases due to loss of electron increasing the attraction of the positive nucleus or even a complete loss of an electron shell. For anions, ionic radii increases due to gain of electrons which results in greater repulsion among neighboring electrons.
Among the elements given, rubidium (Rb), and calcium (Ca) for cations, hence, their size becomes smaller. Radon, Rn, being a noble gas is relatively inert, but forms positive ions when it does take part in reactions. Sulphur, S, however forms an anion, S²⁻, hence, its size increases.
Which of the following is true of SOLUBILITY?
A. if something is soluble, it will dissolve in anything
B. water will dissolve everything
C. substances often dissolve in some things and not others