Answers
Answer:
the answer is d.
Explanation:
because the core is deepest then is the mantle and the lithpsphere is last .
I put a picture incase you need a visual example.
Related Questions
A girl is pushing on an object with a force of 25 N. A boy is pushing on the same object but from the other direction with a force of 35 N. What is the net force acting on the object?
Answers
Answer:
Since the force applied at both ends is acting in opposite directions, then the resultant force becomes negative.
= 35 - 25 = 10
Magnesium hydroxide is added to a solution of hydrochloric acid. A reaction occurs and magnesium chloride and water are formed. Testing the _______ would show that a reaction has occurred.
Answers
Answer:Magnesium (Mg) is a - reactant
Hydrogen (H2) is a - product
magnesium chloride (MgCI2) is a - product
hydrochloric acid (HCI) is a - reactant
Explanation: It’s in my notes
Use a scientific calculator to calculate [H+] for the following pH values:
7 (a neutral solution)
5.6 (unpolluted rainwater)
3.7 (first acid rain sample in North America)
How many times higher is the concentration of H+ in the Hubbard Brook sample than in unpolluted rainwater?
Answers
Answer:
pH = 7 ⇒ [H⁺] = 1.0x10⁻⁷ M
pH = 5.6 ⇒ [H⁺] = 2.5x10⁻⁶ M
pH = 3.7 ⇒ [H⁺] = 2.0x10⁻⁴ M
H⁺ concentration in the Hubbard Brook sample is 80 times higher than in unpolluted rainwater.
Explanation:
To answer this problem we need to keep in mind the definition of pH:
pH = -log[H⁺]Meaning that after isolating [H⁺] we're left with:
[H⁺] = [tex]10^{-pH}[/tex]Now we proceed to calculate [H⁺] for the given pHs:
pH = 7 ⇒ [H⁺] = [tex]10^{-7}[/tex] = 1.0x10⁻⁷ MpH = 5.6 ⇒ [H⁺] = [tex]10^{-5.6}[/tex] = 2.5x10⁻⁶ MpH = 3.7 ⇒ [H⁺] = [tex]10^{-3.7}[/tex] = 2.0x10⁻⁴ MFinally we calculate how many times higher is [H⁺] when pH = 3.7 than when pH = 5.6.
2.0x10⁻⁴ / 2.5x10⁻⁶ = 80Answer:
1. 7 (a neutral solution)
Answer: 10-7= 0.0000001 moles per liter
2. 5.6 (unpolluted rainwater)
Answer: 10-5.6 = 0.0000025 moles per liter
3. 3.7 (first acid rain sample in North America)
Answer: 10-3.7 = 0.00020 moles per liter
The concentration of H+ in the Hubbard Brook sample is 0.00020/0.0000025, which is 80 times higher than the H+ concentration in unpolluted rainwater.
Explanation: -
Pl help it’s for a grade
Answers
Answer: B. Potential energy
Explanation:
There are several form of potential energy including gravitational, magnetic, electrical, chemical and eleastic potential
Answer:
Potential Energy
Explanation:
Potential energy is stored energy and the energy of position.
Chemical, Gravitational, and Elastic are all stored energy and the energy of position.
Hope this helps!
:D
how many moles is 130g of cocl2
Answers
Answer:
1.3142 mol CoCl2
Explanation:
Well, to answer this we need to find out how many grams are in a single mole of CoCl2. Two find that we need to get the molar mass of CoCl2
Co = 28.0101 g Co per mole
Cl = 35.453 * g Cl per mole
28.0101 + 2 * 35.453 = 98.9161 g CoCl2 per mole
Now, we divide:
130/98.9161 = 1.3142 mol CoCl2
There are 1.31 moles in 130grams of cobalt chloride (CoCl2). Details about how to convert mass to moles can be found below.
How to calculate number of moles?The number of moles of a substance can be calculated by dividing the mass of the substance by its molar mass.
According to this question, there are 130g of CoCl2.
molar mass of CoCl2 = 28 + 35.5(2) = 99g/mol
moles = 130g ÷ 99g/mol
moles = 1.31 moles
Therefore, there are 1.31 moles in 130grams of cobalt chloride (CoCl2).
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The different between molecules in a liquid and molecules in a gas
Answers
Answer:
Gases, liquids and solids are all made up of atoms, molecules, and/or ions, but the behaviors of these particles differ in the three phases. ... gas are well separated with no regular arrangement. liquid are close together with no regular arrangement. solid are tightly packed, usually in a regular pattern.
do all metallic oxides form alkaline solution???
Answers
Answer:
Nope not all
Explanation:
As scientists says that not all give a solution.
hope that helps di
In dry climates, people often dig wells to find additional sources of water
to raise crops or feed livestock. Which of the following could be
significant negative effect on the environment cause by obtaining water
from the well?
Select one:
A: The digging will create air pockets in the soil.
B: Using the well could erode the soil and increased the risk for mountain
landslides.
C: Crushed rock and layers of soil might pile up where the well is dug
D: Using the well could lower the water table throughout the area.
Answers
Answer:
D i think, sorry if its wrong
Explanation:
Answer:
Using the well could lower the water table throughout the area.
Explanation:
i just took a test and this was the answer
I need help with this for an assignment
Answers
hydrochloric acid reacts with sodium hydroxide to form sodium chloride (the salt) and water.
Explanation:
Sodium chloride is made up of Na+ cations from the base (NaOH) and CI-anions from the acid (HCI).
Hope this helped!
Can someone plz help me with this one problem plzzzzz!!!
Answers
Answer:
im gonna say A
Explanation:
i say A because i mean biotic potential is residing in the catagory birth rate which is how many the lay a year penguins have already reached the amount they are gonna lay robins the literally have no exact stop point its between 5 and 10 a year like said. so if u look at the amount they have each they have both reached there maximum point. but penguins only lay eggs once a year while robins well 5 to 10 reaching there maximum potential.
Which of the following classifications describes the element with the electron configuration [Ar]4s23d104p5?
A) stable metal
B) unstable nonmetal
C) stable nonmetal
D) unstable metal
Answers
Answer: stable unmetal
Explanation: if you count electrons, you get 35 and it is element Br
According to the electronic configuration , the element with the given electronic configuration is a unstable non metal.
What is electronic configuration?Electronic configuration is defined as the distribution of electrons which are present in an atom or molecule in atomic or molecular orbitals.It describes how each electron moves independently in an orbital.
Knowledge of electronic configuration is necessary for understanding the structure of periodic table.It helps in understanding the chemical properties of elements.
Elements undergo chemical reactions in order to achieve stability. Main group elements obey the octet rule in their electronic configuration while the transition elements follow the 18 electron rule. Noble elements have valence shell complete in ground state and hence are said to be stable.
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Why do power plants emit such a high percentage of pollutants?
Answers
They burn fossil fuels, which releases huge amounts of sulfur dioxide and nitrogen oxide that pollute the air. ... Two thirds of all sulfur dioxide and more than one third of all nitrogen oxides that pollute the air.
An alpha particle is composed of He2+ ions?
true or false
Answers
Answer: The given statement is False.
Explanation:
Alpha particle is a helium nuclei.
Alpha particles are produced when a larger nuclei decays into smaller nuclei in radioactive decay. Alpha particles have mass number and atomic number as 4 and 2 respectively.
General representation of alpha decay :
[tex]^A_Z\textrm{X}\rightarrow ^{A-4}_{Z-2}\textrm{Y}+^4_2\textrm{He}[/tex]
Thus the given statement that alpha particle is composed of [tex]He^{2+}[/tex] ions is False.
The statement of [tex]\rm He^2^+[/tex] ions has formed the alpha particles is true.
Alpha particles are particles that have been similar to the He-4, with the presence of two protons and two neutrons. The alpha particles have the absence of electrons and have been formed during the alpha decay.
[tex]\rm He^2^+[/tex] has been the ion of He with the positive charge indicating the loss of 2 electrons. Thus, in [tex]\rm He^2^+[/tex], there has been 2 protons, 2 neutrons, and 0 electrons.
The atomic configuration of [tex]\rm He^2^+[/tex]has been similar to the alpha particles. Thus, the statement stating, "the alpha particles to be composed of [tex]\rm He^2^+[/tex]ions " is True.
For more information about the alpha particles, refer to the link:
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Please help will mark brainiest as well.!!
Answers
A conventional oven is example of which type of Energy transfer?
Answers
Answer:
convection (I am pretty sure, I am sorry if it isnt right)
Explanation:
Dalton's contribution was different from thatof the ancient Greek who postulated the existence of atoms. Point out the differences between the two ideas
Answers
Answer: Democritus atomic theory is the ancient theory that describes the nature of matter in terms of atoms whereas Dalton atomic theory is a modern scientific theory that describes the nature of matter in terms of atoms. According to Dalton's theory, atoms are identically same, but Democritus had no idea about it. Atoms are never created nor destroyed, they just rearrange.
Explanation:
Consider the following reaction occurring in a 1.0 L container:
H2 (g) + I2 (g) → 2 HI (g)
State 2 requirements for a successful collision between H2 and I2.
Answers
Answer:
jjjjajwhejwhswjiwiwvssvwvow9qiwgdvdbslw
How many molecules are found in 3.4 moles of carbon dioxide?
Please help me asap! :0
Thank you!
Answers
Answer:
One mole of anything has 6.023 x 10^23 molecules.
That would mean 3.4moles of CO2 have 6.023x 10^23 times 3.0.
So that would be2.04782×10^24 molecules in 3.0 moles of C02.
Mole measure the number of elementary entities of a given substance that are present in a given sample. 2.047×10²⁴ molecules are found in 3.4 moles of carbon dioxide.
What is mole?The SI unit of amount of substance in chemistry is mole. The mole is used to measure the quantity or amount of substance. We know one mole of any element contains 6.022×10²³ atoms which is also called Avogadro number.
Mathematically,
number of molecules of carbon dioxide = number of moles of carbon dioxide ×6.022×10²³ molecules
Number of moles of carbon dioxide=3.4moles
Substituting the values in the above equation we get
number of molecules of carbon dioxide =3.4moles×6.022×10²³ molecules
number of molecules of carbon dioxide =2.047×10²⁴
Therefore, 2.047×10²⁴ molecules are found in 3.4 moles of carbon dioxide.
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Why is the distance traveled between seconds 0 and 1 less than the distance traveled between 2 and 3 sceonds
Answers
Answer:
The ball speeds up
Explanation:
2. Calculate the mass of Kool-Aid needed to make 0.1 L solutions at the following concentrations: a. 0.1 M b. 0.2 M c. 0.3 M d. 0.4 M e. 0.5 M
Answers
HELP PLEASE ASAP!!! ASAP!
Answers
Answer:
canals and irrigation is the answer
A gray whale can travelan average of 120
km per day as it migrates.
Answers
Explanation:
False, gray whales average 75 miles per day at a speed of 5 mph and is the longest annual migration of any mammal.
Answer:
That would be speed.
Explanation:
Which of these is a behavioral adaptation?
An anteater has a very long tongue to help it eat catch and eat ants.
An artic fox has white fur which helps it blend into the snow.
A mouse has 3–14 offspring at a time to increase the number that survive.
A brown bear hibernates and becomes inactive during winter.
Answers
Answer: Your answer would be D
Explanation: Sorry if i get it wrong ! (but good luck and make sure to rate)
Answer:
D
Explanation:
because when it is winter
a bear hibernates in a cave
and eats lots of food so it
dosent starve after sleeping
for such a while.
Hope this helps
plz mark brainliest
if you would be so kind!
bye!
What is the meaning of social group
Answers
Answer:
In the social sciences, a social group is two or more humans who interact with one another, share similar characteristics, and have a collective sense of unity. This is a very broad definition, as it includes groups of all sizes, from dyads to whole societies.
Explanation:
Answer:
The meaning of social group is two or more people who interact with one another, share similar characteristics, and collectively have a sense of unity.
Explanation:
Hope this helped
An atom is the largest unit that any given molecule can be broken down to.
True or False
Answers
Answer:
false
Explanation:
It is the opposite. Atoms are the smallest.
Answer:
False
Explanation:
Pls mark brainliest :)
phcl2 lewis structure
Answers
Answer:
What do you want answered?
Explanation:
which has the higher temperature? An iceberg or a steaming cup of water?
Answers
To have zero heat energy a substance has to be at absolute zero. This is 0˚K which equals -273˚C. So there’s already a lot of heat energy in a substance at 0˚C. The amount of heat energy per degree per gram varies depending on the temperature, but in rough terms a gram of ice contains 2.11 Joules for every ˚C above -273˚C. So a gram of ice at 0˚C contains roughly 273*2.11 = 576 Joules of heat energy.
It then takes an additional 334 Joules to melt a gram of 0˚C ice into a gram of 0˚C water. After this a gram of water requires 4.19 Joules for every ˚C above 0˚C, and so heating this water up to 100˚C then requires 100\times 4.19=419 Joules per gram. So the total heat energy in a gram of 100˚C water is 576+334+419=1329 Joules.
Putting this together means that a gram of boiling water contains 1329/576 = 2.3 times as much heat energy as a gram of 0˚C ice, or put another way, 2.3 grams of ice contains the same heat energy as 1 gram of boiling water.
So in answer to the question if you freeze 2.3 cups of water to just 0˚C, the resulting ice will contain roughly the same heat energy as 1 cup of water at 100˚C. Ice out at sea may of course be a few degrees cooler and so you’d need a little more, but you certainly don’t need anything like an iceberg!
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Related Questions (More Answers Below)
Which is a compound?
sugar
air
nitrogen
sodium
Answers
air
because air is compound discoverd in 1992
Purpose Question:
If you have a headache, which medicine is the best choice to take?
Your choices are Aspirin, Tylenol or Ecotrin (coated aspirin)
Answers
Answer:
I will take Aspirin if I had a headache
what known as a change in the number, type, or order of DNA
Answers
Answer:
DNA is a dynamic and adaptable molecule. As such, the nucleotide sequences found within it are subject to change as the result of a phenomenon called mutation. Depending on how a particular mutation modifies an organism's genetic makeup, it can prove harmless, helpful, or even hurtful.
Explanation: