Answer:
DNA is a complex, long-chained molecule. DNA contains the genetic blueprint for building and maintaining all living organisms. Found in nearly all cells, DNA carries the instructions needed to create proteins, specific molecules essential to the development and functioning of the body.
What is the Albedo of Earth?
Group of answer choices
The energy that is absorbed into Earth.
The energy that is reflected back into space from Earth.
Just a cool word.
Minion talk for energy.
SCIENCE
6TH GRADE
BRAINLIEST!!
Answer: Earth's average albedo is about 0.3. In other words, about 30 percent of incoming solar radiation is reflected back into space and 70 percent is absorbed. A sensor aboard NASA's Terra satellite is now collecting detailed measurements of how much sunlight the earth's surface reflects back up into the atmosphere.
Explanation: ik im annoying thanks
convert 250cm³ to m³
Answer:
0.00025 m3
Explanation:
it just is; used conversion table
A spectral line is read
to have a wavelength of 4700A. What is
this in meters?
Answer:
[tex]4.7 * 10^{-7} meters[/tex]
Explanation:
Angstrom can be defined as a metric unit of length for used for the measurement of the wavelength of light (optics) such as visible light, x-rays, ultraviolet light, gamma rays etc. The symbol for Angstrom is "A" and it is named after the 19th century physicist from Sweden, named Anders Jonas Angstrom.
Given the following data;
Wavelength of spectral line = 4700A
To convert this value to meters;
One Angstrom is mathematically equal to [tex] 10^{-10} meters [/tex]
[tex] 1 Angstrom = 10^{-10} meters[/tex]
[tex] 4700 Angstrom = X \; meters[/tex]
Cross multiplying, we have;
[tex] X = 4700 * 10^{-10}[/tex]
X = [tex]4.7 * 10^{-7} meters[/tex]
Therefore, 4700A is equal to 4.7e-7 or 0.00000047 meters.
How does the disorder of a gas compare to that of a
liquid or solid?
Answer:The atoms in gases are far apart from each other, so they are much more disordered than either liquids or solids.
Explanation:
it can be formed by atoms sharing electrons or by negative and positive
ions joining).. is it mixture or compound ?
Answer:
VVV
Explanation:
Covalent bonds are formed when atoms share electrons and ionic bonds are formed when positive and negative ions bond to form an ionic compound.
What is the average acceleration from 0 seconds to 4 seconds
Answer:
1
Explanation:
you would take 4 subtract 0 which is 4 and divide it by 4 which is 1
Boron
B
10.811
Number of neutrons
Answer:
6
Explanation:
To determine the number of neutrons we round 10.8 to 11 and subtract the atomic number (5) and get 6; therefore, boron has 6 neutrons.
indicate whether the statement is true or false a change of state is a chemical change because ice and water do not resemble one another
Answer:
False. Chemical changes are always physical changes
Answer:
False
Explanation:
No, since the slopes are different.
Yes, since the slopes are the same and the y-intercepts are the same.
Yes, since the slopes are the same and the y-intercepts are different.
No, since the y-intercepts are different.
Option C, slopes are same but y intercepts are different is the correct answer
Fluorine(F), Chlorine(Cl), Bromine(Br), and Lodine(I) are elements in the same group on the periodic table. Why are these elements grouped together?
A. They all have similar properties
B. They all have similar atomic masses
C. They all have the same atomic radius
D. They all have the name number of protons
Answer:
The answer is A
Explanation:
My teacher gave me the answer before the test that we took on 11/12/2020
Hope this helps anyone else who has the same question.
The halogens have similar properties, the correct option is A.
What are Halogens?Halogens are the group 17th compound of the periodic table, It consists of elements like Fluorine(F), Chlorine(Cl), Bromine(Br), and Lodine(I).
The halogens have the following properties.
They all react with hydrogen to create acids.
All of them are fairly harmful.
Salts are easily formed when they react with metals.
Their outer shell contains seven valence electrons.
They are electronegative and very reactive.
Low melting and boiling points characterize the halogens. This is a common characteristic of non-metals.
As you move lower in the group, the melting and boiling points then rise.
The elements have different atomic mass, atomic radius, and a different number of protons.
They are grouped together because they all have similar properties.
To know more about Halogens
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Write the chemical formula for Calcium Dichromate
Ca Cr2O7^2 -
2 2
2 2
1 1
=CaCr2O7^2 -
Is this right? Or does the second part have a bracket
Answer:
Its right
Explanation:
The chemical formula of calcium dichromate is CaCr207
Joyce poured 200 milliliters (mL) of water into a beaker, placed a thermometer in it, and heated it until it started to boil. She recorded a temperature of 100 degrees Celsius (°C) when it started to boil. She repeated the process with 400 mL of water. What would be the temperature when this second sample started to boil?
Answer:
473 °C
Explanation:
The following data were obtained from the question:
Initial volume (V1) = 200 mL
Initial temperature (T1) = 100 °C
Final volume (V2) = 400 mL
Final temperature (T2) =..?
Next, we shall convert celsius temperature to Kelvin temperature. This can be obtained as follow:
T(K) = T (°C) + 273
Initial temperature (T1) = 100 °C
Initial temperature (T1) = 100 °C + 273 = 373 K
Next, we shall determine the final temperature of the water as follow:
Initial volume (V1) = 200 mL
Initial temperature (T1) = 373 K
Final volume (V2) = 400 mL
Final temperature (T2) =..?
V1/T1 = V2/T2
200/373 = 400/T2
Cross multiply
200 × T2 = 373 × 400
200 × T2 = 149200
Divide both side by 200
T2 = 149200/200
T2 = 746 K
Finally, we shall convert 746 K to celsius temperature. This is illustrated below:
T(°C) = T(K) – 273
T(K) = 746 K
T(°C) = 746 – 273
T(°C) = 473 °C
Therefore, the temperature of the second sample when it starts to boil is 473 °C
Which of these outdoor activities would you most likely participate in during the winter?
A.
hacer una barbacoa
B.
organizar un picnic
C.
nadar en la piscina
D.
ir a esquiar
Answer:
D.
Explanation:
Translation:
A. make a barbecue
B. organize a picnic
C. swimming in the pool
D. to go skiing
Barbecue is usually a summer activity, so we eliminate that.
It would be too cold for a picnic!
It would be too cold to go swimming, and that's more of a summer thing!
Skiing is a snow activity, and since it is winter, it is likely to know.
Please help it’s due today, I will give brainliest
the two middle ones is the answer
the term “ The Universe “refers to ?
Answer:
everything including the space...
hope it helps...
write the electronic configuration of oxygen on the basis of sub shell.
Answer:
[He] 2s² 2p⁴
Explanation:
If you're looking for the answer in subshell form, here it is:
[tex]1sx^{2} 2sx^{2} px^{4} (2.6)[/tex]
Quote:
"Where I walk, I walk alone. Where I fight, I fight alone."
- Akuma
I NEED HELP ASAP PLEASE TO WILL GIVE YOU A BRAINLEST
Answer:
Gravity
Explanation:
According to Newton's Law of Gravity, an object with mass will attract another object with mass.
Which option is an example of a physical property?
A. conductivity
B. pH
C. reactivity
D. rusting ability
physical property is conductivity
Which statement best describes what happens Which statement best describes a physical change?
Changes can occur to certain chemical properties of the substance, but the overall shape of the substance will remain the same.
Changes can occur to certain physical properties of the substance, but the overall shape of the substance will remain the same.
Changes can occur to physical properties of a substance, but the chemical composition of the substance remains the same.
Changes can occur to chemical properties of a substance, but the chemical composition of the substance remains the same.during a chemical change?
Answer: The third one, changes can occur to physical properties but the chemical composition remains the same.
Explanation: Chemical changes change the chemical composition. Physical changes do not.
If you change number of neutrons in an atom, you will also change its-
Answer:
atomic mass. You will have created an isotope.
Explanation:
Please Heeelp!!
Predict the reactants of this chemical reaction. That is, fill in the left side of the chemical equation. Be sure the equation you submit is balanced. (You can edit both sides of the equation to balance it, if you need to.)
Note: you are writing the molecular, and not the net ionic equation.
___---> Ca(ClO)2 (aq) + H2O
2 HClO(aq) + Ca(OH)2(aq) = 2 H2O(l) + Ca(ClO)2(aq) is the balanced equation
What is the definition Of prokaryote and give me a sentence that explain its so definition Adn the sentence
Answer:
Explanation:
Definition of Prokaryote. a single-celled organism (such as bacteria) that lacks a nucleus and cannot be seen with the naked eye. Examples of Prokaryote in a sentence. 1. The scientist studied the prokaryote under the microscope to see if its single-cell would multiply in certain conditions.
Hope this helps!
Prokaryotes are a single celled organism that is microscopic. They do not have a distinct nucleus with a membrane. They don't have other specialized organelles either. They also include bacteria and archaea.
"Prokaryotes are so small you cant see them with the bare human eye!"
[tex]\boxed{I\;hope\;it\;helps!}[/tex]
<3
Which physical property of aluminum allows it to be formed into thin sheets?
O A. Electrical conductivity
O B. Thermal conductivity
O C. Malleability
O D. Density
Answer:
C. Malleability
Explanation:
The malleability of aluminum allows it to be formed into thin sheets.
Physical properties tells us about what a substance is when no change is occurring to its constituents.
Aluminum like some other metals can be drawn into sheets. This is due to the metallic bonds joining atoms of metals and alloys together. The physical properties of metals are due to metallic bonds. The metallic bond is actually the attraction between the positive nuclei of all closely packed atoms in the lattice and the electron cloud jointly formed by all the atoms by losing their outermost shell electrons.Answer:
C
Explanation:
will yall help me, please
Answer:
D. create metal works of art. The bronze age was the age of crafting out of metal. So, using swords of metal would fit directly into the bronze age as they're metal.
When a trumpet was played, a nearby sheet of paper began to move.
What caused the paper to move? *
Answer:
Air from the trumpet moved it
Explanation:
The number of which type of particle determines the identity of an element?
Answer:
Protons give the atomic number
Explanation:
00
P: 7
N: 78
What is the name of the element in this diagram?
O Boron
O silicon
O nitrogen
oxygen
Answer:
Nitrogen
Explanation:
:) pls mark brainliest
Answer:
Nitrogen
Explanation:
To find your answer, pay attention to the number of protons. Protons define an element's atomic number.
Which process most likely takes place when the kinetic energy of molecules overcomes the intermolecular forces?
boiling
condensation
freezing
solidification
Answer:
Explanation:
boiling
According to the forces of attraction, boiling takes place when the kinetic energy of molecules overcomes the intermolecular forces.
What are forces of attraction?Forces of attraction is a force by which atoms in a molecule combine. it is basically an attractive force in nature. It can act between an ion and an atom as well.It varies for different states of matter that is solids, liquids and gases.
The forces of attraction are maximum in solids as the molecules present in solid are tightly held while it is minimum in gases as the molecules are far apart . The forces of attraction in liquids is intermediate of solids and gases.
The physical properties such as melting point, boiling point, density are all dependent on forces of attraction which exists in the substances.
Learn more about forces of attraction,here:
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May I have some salt? (What is salt consisted of?)
Answer: Salt is primarily composed of sodium chloride.
Explanation:
5. What is the volume of a sample of metal with a mass of 220 grams and a density of 11 grams per
cubic centimeter?
(1 Point)
a:2420 cubic centimeters
b:231 cubic centimeters
c:20 cubic centimeters
d:0.25 cubic centimeters
pls answer fast
Answer:
The answer is option CExplanation:
The volume of a substance when given the density and mass can be found by using the formula
[tex]volume = \frac{mass}{density} \\ [/tex]
So we have
[tex]volume = \frac{220}{11} \\ [/tex]
We have the final answer as
20 cm³Hope this helps you