Answer:
b. impulse decision
Explanation:
In this scenario, Reggie suddenly decided to drive to the Grand Canyon, because he had never seen it. He didn't even have a map showing him how to get there! Reggie made an impulse decision.
An impulse decision can be defined as a type of decision an individual makes without having a clear thought about the decision. Thus, an impulsive decision is strictly based on an individual's inclination, instinct, whim or sudden desire to do something.
This ultimately implies that, decisions that are made spontaneously without due diligence and considerations refer to an impulse decision.
Hence, Reginald's decision is an impulse decision because he suddenly decided to drive to go see a place (Grand Canyon) he hasn't seen before, even though he had no map to use as a guide or direction.
Answer: b
Explanation:
What is Chlorofluorocarbons?
Answer:
Chlorofluorocarbons and hydrochlorofluorocarbons are fully or partly halogenated paraffin hydrocarbons that contain only carbon, hydrogen, chlorine, and fluorine, produced as volatile derivative of methane, ethane, and propane. They are also commonly known by the DuPont brand name Freon.
Explanation:
Answer:
Explanation: Chlorofluorocarbons and hydrochlorofluorocarbons are fully or partly halogenated paraffin hydrocarbons that contain only carbon, hydrogen, chlorine, and fluorine, produced as volatile derivative of methane, ethane, and propane. They are also commonly known by the DuPont brand name Freon
hope that helps.↑Which of the samples pictured is most likely a nonmetal?
A moderately shiny grey mineral.
A very shiny silvery mineral.
A crystalline yellow mineral.
A very shiny golden mineral with many small crystals.
Answer:
i think it is C
Explanation:
sorry if wrong
A student lives in an apartment complex next to a park and train tracks. The student observes that they can hear the train coming sooner and from farther away when they are in front of their apartment and can only barely hear the train when they are in the park despite both being the same distance from the railroad tracks.
The student developed the model above. Using the model, identify two potential wave phenomena that occur and are the reason behind why the student can only hear the train in front of the apartment complex.
A.
The train can be heard more easily in front of the apartment complex because of reflection and interference. As the sound comes from the train, the sound waves reflect off of the complex and interfere with each other increasing the amplitude of the wave to make it easier to hear.
B.
The train can not be heard as easily in the park because of reflection and diffraction. The sound reflects off of the trees in the park and diffract between the trees, this causes the waves to bend too much to be heard.
C.
The train can be heard more easily in front of the apartment complex because of diffraction and refraction. The sound waves diffract between the other buildings aiming them towards the apartment complex and then the sound refracts through the apartment complex which makes it more difficult to hear in the park.
D.
The train can not be heard as easily in the park because of interference and reflection. The other buildings in front of the park cause interference of the sound waves from the train and the trees in the park cause reflection making it too hard to hear the train.
Answer:
The answer is A
Explanation:
I am tryna make sure of my answer is this correct
Answer:
great job!!
Explanation:
ALL IS CORRECT :)
1. Matter that is composed of two or more different
elements chemically combined in a fixed proportion
is classified as
A) a compound
C) a mixture
B) an isotope
D) a solution
I WILL GIVE YOU BRAINLIEST!!!
Refer to the Newsela article "How You Can Make a Solar Oven To Cook with a Pizza Box."
What is the author's purpose in mentioning variables in designing the solar oven?
to show how easy it is to produce solar energy
to encourage readers to vary the design
to explain how wasteful solar energy production can be
to show the author did not think too hard about the design
Answer:
To encourage readers to vary the design
Explanation:
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
Which element is this.Its shiny,Is solid at room temperature, has atoms with two valence electrons?A:Lithium B:Strontium C:Aluminium D:Silicon
Answer:
Strontium
Explanation:
STRONTIUM
Strontium is a chemical element that is non radioactive and its occur naturally. It is a shiny and silvery white metal that have atomic number of 38 and it belong to group 2 member of the periodic table which is why it have two valence electrons. It is a solid metal at room temperature.
About 99% of Strontium is found in bones. It help to make new bones in humans by replacing the old bones.
Therefore, it is strontium.
Strontium is the element which is shiny, solid at room temperature and has two electrons in its outermost shell.
The atomic number of Strontium is 38. In the first shell, there are two electrons, in the second and fourth shell has space for 8 electrons so these shells are filled with electron whereas third shell has 18 electrons and the fifth shell has 2 electrons. Strontium belongs to second group i.e. alkaline earth metals due to which it has two valance electrons in its outermost shell.
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5. The diagram above shows what happened when an irregular solid was immersed in water. This irregular solid has the same mass as a gold block, which is 2 cm wide by 2 cm high by 5 cm long. Using the method described in the passage, compare the density of the unknown with the density of gold.
A. Equal to gold
B. Less than gold
C. Greater than gold
D. Cannot be determined
The density of the unknown will be greater than the density of gold.
An overview will be given since the diagram isn't given. The formula to calculate the density of an irregular shape will be the mass divided by the volume.
The density is the mass per volume. From the information given, since they've the same mass, then it means that the volume of the gold will be more than the volume of the unknown. Therefore, the density of the unknown will be greater than gold.
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Answer:
D.) Formulas l, ll, and lV
Explanation:
Formula l, ll, and lV all have 2 oxygen atoms. Formula lll have 4 oxygen atoms and forumula V has 6 oxygen atoms.
Which terms represents the fixed proportion of elements in a compound
Answer:
Protons
Explanation:
I'm not exactly sure if this is what your question, but the number of protons is what makes an atom that atom. If you change the number of proton it is now a different atom. You change the number of electrons and get an ion or change the number of neutrons and get an isotope but you can't change the number of protons as you would be changing the elemnt.
Considering the principles of KMT, which scenario would result in an increase of particles effective collisions at STP None of the above None of the above In a balloon In a balloon A container with large volume A container with large volume A container with small volume
Answer:
A container with small volume
Explanation:
The question is obviously incomplete because the image attachments are missing.
However, it is necessary to note that, the effective collisions depends on the volume of the gas.
The lesser the gas volume, the greater the effective collision between particles at STP.
Hence from the KMT, the scenario having the least volume of gas will have the greatest magnitude of effective collisions.
What elements do these macromolecules
have in common?
Copper, Helium, Oxygen
Carbon, Hydrogen, Oxygen
Calcium, Hydrogen, Oxygen
Carbon, Helium, Oxygen
Answer:
Carbon, Hydrogen, Oxygen
Explanation:
From the prefix "macro" which means large, macromolecules are considered to be "large molecules" when compared to the micromolecules. They come in four major types: proteins, nucleic acids, carbohydrates and lipids.
These macromolecules have three common elements and these are: Carbon, Hydrogen and Oxygen. These are all essential in the vitality of life. The human body is said to have 10% of carbon and 63% oxygen. Hydrogen, on the other hand, is said to be the most abundant element among organic molecules.
When we mixed milk and vinegar in the lab demonstration, a/an __.
was created.
Answer:
Plastic
Explanation
Found on google
Destructive forces can include floods, landslides, tornadoes, tsunamis, wildfires and
volcanoes.
True
False
Answer:
answer is true
Answer:
True
Explanation:
The
force acting on an object is the combination of
all of the individual forces acting on it.
Check it
2 SCRATCHPAD
~ Improve this questio
Answer:
Yes as you can improve The invisible to human eye force or physical force if any being applied to a object of any mass and with all individual forces as they are acting on this object
Explanation:
Which statement desrcribes an intensive property of matter? -it is the same for every sample of a single substance -it depends on how a substance was formed -it is the same for every sample of every substances -it depends on the amount of substances present
Answer:
The statement which describes an intensive property of matter is - :
it is the same for every sample of a single substance.
Explanation:
It is the same for every sample of a single substance. -: Since a substance 's intense property does not depend on either mass or volume, it is the same for each sample of a single substance. Hence , this statement is correct .It depends on how a substance was formed -: Intensive property do not depend upon the amount of the substance or the formation of the sample . Therefore this statement ifs wrong about intensive property .It is the same for every sample of every substances -: This is not possible to be for every sample of the substance , a every substance have different qualities. Hence this statement is also incorrect.it depends on the amount of substances present -: This is the characteristic of a extensive property of matter that relies on the amount of the material/substance. This assertion is, therefore, not valid.Hence , the correct option is A (it is the same for every sample of a single substance).
Which waves have the highest frequencies?
A. microwaves
B.UV
C. waves with the lowest energy
D. waves with the highest energy
Answer:
D. Waves with the highest energy
Explanation:
The more energy the higher the frequency. More specifically there will be more energy per photon.
Microwaves are on the low end of the electromagnetic spectrum while UV is higher but there are more waves with more energy such as gamma rays.
3.4 moles of CO to liters?
Answer:
76.2 L of [tex]CO_{2}[/tex]
Explanation:
Converting the unit of moles to liters is very easy if you know the value of a mole to a liter. Remember that 1 mole is equivalent to 22.413962 L.
Step 1:
3.4 mol [tex]CO_{2}[/tex] x 22.413962 [tex]\frac{liters}{mole}[/tex] = ?
Step 2:
Cancel out the moles.
Step 3:
If you multiply 3.4 by 22.413962, the answer is 76.2
Step 4:
Don't forget to put the units every time you answer. So the answer is: 76.2 L of [tex]CO_{2}[/tex]
6. Now, revise your definition for waves to include energy and matter.
A wave is a phenomenon that...
Answer:
A wave is phenomenon that transfers energy from one point to another through a disturbance without affecting the matter.
Explanation:
A wave is phenomenon that transfers energy from one point to another through a disturbance without affecting the matter.
There are two main types of waves Longitudinal waves travels parallel to their source. For example, sound waves. Through a series of rarefactions and compressions, longitudinal waves are propagated. Transverse waves travel perpendicular to their source.Which of the following is true about metals?
A. They are usually less reflective in luster than metalloids.
B.
They are usually better conductors than nonmetals.
C. They are usually less malleable than nonmetals.
D.
They are usually more brittle than metalloids.
What are the things to consider in classifying the different kinds of mixture?
Answer:
Whether the mixture can be separated
Synthesis
1 point
Balance the following chemical equation. What are the final coefficients
starting from the left and going to the right? *
AICI:
+
H2O
_Al(OH)3 +
НСІ
1,1,1,1
1, 2, 1, 2
2, 2, 2, 2.
1,3,1,3
Answer:
nãosecoi m fazoe isrspoo rqe a perugtunat iomkplnetacá
Explanationveja qeuastã onvamoetn e depois recoepe-a qui aipis onãestoácpletoma :
Is the study of the living plants and animals in the ocean
Answer:
marine biologist
Explanation:
marine biologist
Answer:
marine biologist a scientist who studies creatures that live in ocean water, from bacteria and shellfish to kelp and whales. mean One of several measures of the “average size” of a data set. .organism Any living thing, from elephants and plants to bacteria and other types of single-celled life.
How many carbon atoms are there in 2.23 grams of propane (C3H8)?
Answer:
3.05x10²³ (3 sig. fig.)
Explanation:
Propane (C₃H₈) is a colorless alkane gas with three carbons and eight hydrogen atoms. In 2.23 grams of propane, there are 3.05 x 10²³ carbon atoms present.
What is the number of particles/atoms?
The number of atoms or the particles being the smallest units is estimated by the product of the number of moles and Avogadro's number.
The Avogadro's number (Na) is used to determine the number of particles that have been present in a mole of a substance. A mole of a substance is said to have 6.022 × 10²³ ions, atoms, electrons, molecules, etc.
Moles of propane are calculated as,
Moles = mass ÷ molar mass
= 2.23 ÷ 440.094
= 0.05057
Now, the number of particles is calculated as,
Number = moles × Avogadro's number
= 0.05057 × 6.022 × 10²³
= 3.05 x 10²³
Therefore, 3.05 x 10²³ carbon atoms are present in 2.23 grams of propane.
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The compound, BeCl2, would be formed by
a. The sharing of all electrons
b. The transfer of all electrons
c.
The transfer of valence electrons
d. The sharing of valence electrons
Answer:
The sharing of valence electrons
Explanation:
A covalent bond is formed when two or more atoms share valence electrons.
In BeCl2, electrons are shared between the beryllium atom and two chlorine atoms.
Owing to the large difference in electronegativity between the two elements, the bond is polar covalent.
How many electrons are there in the only energy level of helium, a noble gas? * Two Three Six Eight
Answer:
Explanation:
Noble gases are the least reactive of all known elements. That's because with eight valence electrons, their outer energy levels are full. The only exception is helium, which has just two electrons.
A paint bucket is cheaper than a zinc (galvanized) iron bucket. Which bucket would you buy as a science learning student? Give reasons.
Urgent!!!!!
Answer:
[tex]zinc \: (galvanized) \: iron \: bucket.[/tex]
What evidence suggests that four-legged animals came from fish?
Answer:
Paleontologists have uncovered new fossils from Tiktaalik roseae, which, while still a fish, is considered a transitional fossil that also has traits common to the first four-footed animals. This more complete picture of Tiktaalik suggests that the creature had strong, mobile hind fins.
Explanation:
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Explain what is meant by the term "excited state" as it applies to an electron. Is an electron in an excited state higher or lower in energy than an electron in the ground state? Is an electron in an excited state more or less stable than an electron in the ground state?
Answer:
Excited state of an electron is the state attained by an electron after it has absorbed energy and it moves further from the nucleus.
an electron is at higher energy when excited and at lower energy when at ground state.
an excited electron is less stable due to the decrease in the nuclear force of attraction and the grounded electron is more stable due to it's close distance to the nucleus.
An electron in excited state has its electron present in higher energy level while an electron in ground state is present in lower energy level.
What is an energy level ?Electrons present in an atom revolve in different orbits which are stationary states and are also called as energy levels. The energy levels are numbered as integers which are also called as principal quantum numbers.
Energy of the stationary state is given as E= -R
1/n² where R
is the Rydberg's constant. When an electron is excited, and it moves from lower to higher energy levels there is absorption of energy, while when it moves from higher energy level to lower energy level it radiates or gives out energy in the form of radiation.
They can also be defined as the distances between electron and nucleus of an atom . Electrons present in K energy level have least energy .Energy level diagrams are studied to understand nature of bonding , placement of electrons in orbits and and elemental behavior under certain conditions.
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