Describe the process of convection and how it contributes to seafloor spreading
Answers
Answer:
Seafloor spreading occurs at divergent plate boundaries. As tectonic plates slowly move away from each other, heat from the mantle's convection currents makes the crust more plastic and less dense. The less-dense material rises, often forming a mountain or elevated area of the seafloor. Eventually, the crust cracks.
Explanation:
Seafloor spreading occurs at divergent plate boundaries. As tectonic plates slowly move away from each other, heat from the mantle's convection currents makes the crust more plastic and less dense.
What is convection?Convection is single or multiphase fluid flow that occurs spontaneously due to the combined effects of material property heterogeneity and body forces on a fluid, most commonly density and gravity (see buoyancy). When the cause of the convection is unspecified, convection due to the effects of thermal expansion and buoyancy can be assumed. Convection may also take place in soft solids or mixtures where particles can flow.
Convective flow may be transient (such as when a multiphase mixture of oil and water separates) or steady state (see Convection cell). The convection may be due to gravitational, electromagnetic or fictitious body forces. Heat transfer by natural convection plays a role in the structure of Earth's atmosphere, its oceans, and its mantle.
Learn more about convection,here:
https://brainly.com/question/4138428
#SPJ6
Related Questions
Which word has the same meaning as austere as it is used in this passage
Answers
The word that has the same meaning as austere as it is used in this passage is "severe." For example, a person who is described as austere might be very serious react and unforgiving, with little room for humor or leniency.
The word "austere" typically means severe or strict in appearance, manner, or attitude. It can also refer to something that is plain or unadorned. Therefore, a word with a similar meaning to "austere" would be "severe," which conveys a similar sense of strictness and seriousness.
In this context, a word that has the same meaning as "austere" would be "severe." This word also conveys a sense of strictness and seriousness, and is often used to describe people or situations that are unyielding or inflexible. For example, a severe punishment might be one that is very harsh and unforgiving, while a severe storm might be one that is very intense and damaging.
To know more about react visit:
https://brainly.com/question/14168723
#SPJ11
An air bubble with a volume of 5.0 ml is released at the bottom of a lake where the pressure is 3.0 atm. when it reaches the surface, the bubble experiences a pressure of 1.0 atm. formula to use: p1v1 = p2v2 how will the volume of the air bubble change?
Answers
The new volume of the air bubble that has an initial volume of 5.0 ml released at the bottom of a lake where the pressure is 3.0 atm is 15mL.
How to calculate volume?The volume of a given gas can be calculated by using the following formula:
P1V1 = P2V2
Where;
P1 = initial pressureV1 = initial volumeP2 = final pressureV2 = final volume5 × 3 = 1 × V2
15 = V2
V2 = 15mL
Therefore, the new volume of the air bubble that has an initial volume of 5.0 ml released at the bottom of a lake where the pressure is 3.0 atm is 15mL.
Learn more about volume at: https://brainly.com/question/1578538
#SPJ4
Answer: It will increase
Explanation:
Question 4
1 pts
How many neutrons are in the atom shown in this symbol?
19
9
19
09
Answers
Answer:
there are 19 neutrons
Select the common products for a typical combustion reaction of alcohols. Note: Partial credit will not be given to partial answers. You must select ALL the products. O strong base heat water carbon dioxide inorganic salt
Answers
The common products for a typical combustion reaction of alcohols are:
- Water (\(H^2O\))
- Carbon dioxide (\(CO^2\))
When an alcohol undergoes combustion, it reacts with oxygen (\(O^2\)) to produce water and carbon dioxide. Here's a step-by-step explanation:
1. Write the general formula for an alcohol: R-OH (where R is an alkyl group).
2. Write the balanced combustion reaction for an alcohol: R-OH + \(O^2\) → \(H^2O\) + \(CO^2\)
3. Identify the products: water (\(H^2O\)) and carbon dioxide (\(CO^2\)).
So, the correct answer is water and carbon dioxide as the common products for a typical combustion reaction of alcohols.
To know more about "Combustion reaction " refer here:
https://brainly.com/question/12172040#
#SPJ11
do diastereomers have different physical properties
Answers
Answer:
Diastereomers can have different physical properties and reactivity. They have different melting points and boiling points and different densities.
The effective multiplication factor of a reactor is 0. 94. (a) what is the reactivity of the reactor? (b) what change in core reactivity would be required to make the reactor critical?
Answers
The effective multiplication factor k=0.94.
What is reactivity ?
Being responsive as a trait or state. Chemistry. the resemblance of an atom's, molecule's, or radical's ability to interact chemically with another atom, molecule, or substance.
What is reactor?
Reactor: A vessel or equipment used in chemical engineering to conduct chemical reactions for research or production.
(a) The effective multiplication factor k=0.94
The reactivity \rho = \frac{k-1}{k}=-0.0638.
(b) For the reactor to be critical, k = 1, which means the core reactivity should be increased to make it critical.
Therefore, the effective multiplication factor k=0.94.
Learn more about reactivity from the given link.
https://brainly.com/question/18090753
#SPJ4
4. (08.01 MC)
Which of the following describes a unique property of water that helps sustain marine life? (5 points)
It freezes upward from the bottom unlike other liquids that freeze downward from the top.
It has a lower density in its solid state than it does in its liquid state.
It shows changes in density at temperatures above 4 °C.
Am It cools faster and heats up faster than most other liquids.
Answers
Answer:
It has a lower density in its solild stae than it does in its liquid state.
Explanation:
Ice floats, allowing life underneath to leave despite the top freezing.
The statement that describes a unique property of water that helps sustain marine life is that has a lower density in its solid state than it does in its liquid state.
What are the unique properties of water?Water is a unique molecule that possesses unique properties as follows:
Water is polarWater is an excellent solventWater has high heat capacityWater has high heat of vaporizationWater has cohesive and adhesive propertiesWater is less dense as a solid than as a liquidThese unique characteristics of water helps aquatic organisms sustain life in a marine environment.
Therefore, statement that describes a unique property of water that helps sustain marine life is that has a lower density in its solid state than it does in its liquid state.
Learn more about water at: https://brainly.com/question/19920929
#SPJ2
how many chlorine atoms are in 0.650 mol of ca(clo4)2?
Answers
Chlorine atoms that are present in 0.650 mol of ca(clo4)2 is : 7.83 *10^23.
What is meant by molar mass?Mass in grams of 1 mole of the substance is called the molar mass of a substance. We can obtain a substance's molar mass by summing the molar masses of its component atoms. We can use the calculated molar mass to convert between mass and number of moles of a substance.
As we know, one mole of any atom is equivalent to the Avogadro's number or 6.02 x 10²³ particles.
0.650 * 6.023 * 10^23 * 2
= 7.83 *10^23 chlorine atoms.
To know more about molar mass, refer
https://brainly.com/question/837939
#SPJ4
Draw (on paper) a Lewis structure for the acetate ion and answer the questions below. Do not draw double bonds unless they are needed for the central atom to obey the octet rule.
1. There are ___ equivalent Lewis structures for CH2C00". (number)
2. The average C-O bond order is ___
Answers
1. There are two equivalent Lewis structures for CH2C00-. 2. The average C-O bond order is 1.5. To draw the Lewis structure for the acetate ion (CH2C00-), we first need to determine the total number of valence electrons. The C atom has 4 valence electrons, each O atom has 6 valence electrons, and the negative charge adds one more electron.
Therefore, the total number of valence electrons is 4 + 2(6) + 1 = 17. Next, we arrange the atoms in the molecule, with the C atom in the center and the two O atoms bonded to it. Each O atom forms a single bond with the C atom, and each O atom also has two lone pairs of electrons. The remaining two valence electrons are placed on the C atom as lone pairs. This gives us the following Lewis structure: However, we need to check if the central atom (C) has a full octet of electrons. In this case, it does not, as it only has 6 electrons around it. Therefore, we can form a double bond between the C atom and one of the O atoms, as shown below: This Lewis structure satisfies the octet rule for all atoms, and it is one of the two equivalent structures for the acetate ion.
To find the other equivalent structure, we can form a double bond between the C atom and the other O atom, as shown below: This structure also satisfies the octet rule for all atoms, and it is the second equivalent structure for the acetate ion. Now, to determine the average C-O bond order, we count the number of bonds between each C atom and each O atom in both structures. In the first structure, there is one single bond and one double bond, so the average bond order is (1+2)/2 = 1.5. In the second structure, both C-O bonds are double bonds, so the average bond order is 2. Therefore, the answer to the question is that there are two equivalent Lewis structures for CH2C00-, and the average C-O bond order is 1.5.
To know more about CH2C00 visit :
https://brainly.com/question/15950378
#SPJ11
This:
"Metal sulfides roasted with oxygen produce the corresponding oxide and sulfur dioxide gas. "
Answers
Metal sulfides are compounds that contain sulfur and a metal. When these compounds are heated with oxygen, the sulfur and metal combine with the oxygen to form a metal oxide and sulfur dioxide gas.
The chemical equation for this process is: 2MS + O2 → MO + 2SO2, where M is the metal and S is the sulfur. In this equation, the MS represents the metal sulfide, and the MO represents the metal oxide. The oxygen combines with the sulfur and metal to produce the metal oxide and sulfur dioxide gas. The sulfur dioxide gas is a hazardous air pollutant and can cause health problems if inhaled.
learn more about metal sulfide Refer:brainly.com/question/14839148
#SPJ4
Write the products of these double-replacement reaction. Then balance each equation. a) NaOH(aq) + Fe(NO3)3 (aq)---> Iron (III) hydroxide is a precipitate
Answers
Answer:
3NaOH (aq) + Fe(NO₃)₃ (aq) → Fe(OH)₃ (s) + 3NaNO₃ (aq)
Explanation:
Step 1: RxN
NaOH (aq) + Fe(NO₃)₃ (aq) → Fe(OH)₃ (s) + NaNO₃ (aq)
Step 2: Balance RxN
We need 3 OH's on both sides.
We also need 3 NO₃'s on both side.
This will make it so we also need 3 Na's on both side3NaOH (aq) + Fe(NO₃)₃ (aq) → Fe(OH)₃ (s) + 3NaNO₃ (aq)
You can practice converting between the mass of a solution and mass of solute when the mass percent concentration of a solution is known. The concentration of the KCN solution given in Part A corresponds to a mass percent of 0.208 % . What mass of a 0.208 % KCN solution contains 914 mg of KCN ? Express the mass to three significant figures and include the appropriate units.
Answers
The mass of the solution will be 4,394 mg
Mass percentThe mass percent of a component in a solution can be derived as follows:
Mass percent = mass of component/total mass of solution x 100%
In this case, the mass percent of KCN in the solution is 0.208 and the mass of KCN is 914 mg.
The mass of the 0.208% KCN solution will be:
914/0.208 = 4,394 mg
More on mass percent can be found here: https://brainly.com/question/5394922
#SPJ1
PLS HELP ASAPP NEED RN
1. Compare the spatial arrangements of Zn atoms in the reactants to the spatial arrangements of the hydrogen
gas molecules in the products.
2. Calculate the mass of the hydrogen gas produced if the reaction goes to completion producing 2.05 g of
ZnCl2.
3. Draw a balanced particle model that shows how the reactants changed into the products.
Answers
Let us take our minds back to the kinetic theory of matter. Recall that the particles that compose matter are in constant random motion and the solids are arranged in a definite pattern while the particles of a gas are in random motion.
As such, the zinc has its atoms in a fixed pattern while the hydrogen atoms are roaming freely in the gaseous state.
Given that;
Amount of the acid = 10.95 g/36.5 g/mol = 0.3 moles
Amount of the zinc = 1g/65 g/mol = 0.015 moles
Given the reaction equation; \(Zn(s) + 2HCl(aq) ------ > ZnCl_{2} (aq) + H_{2}(g)\)
1 mole of Zn reacts with 2 moles of acid
0.015 moles of zinc reacts with x moles of acid
x =0.015 moles * 2 moles / 1 mole
= 0.03 moles
Thus, the zinc is the limiting reactant.
1 moles of the zinc produces 1 mole of the hydrogen
The amount of the hydrogen produced = 0.03 moles * 2 g/mol
= 0.06 moles of hydrogen
Learn more about stoichiometry:https://brainly.com/question/9743981
#SPJ1
4. After virtual school you decide to make a milkshake. You know that the best
milkshake is made with 500 ml of milk and 120 g of chocolate ice cream.
Chocolate ice cream weighs 0.6 g/ml. How many liters of ice cream should you
add?
120 ml
2401
O 0.21
4.0 di
Answers
Answer:
The answer actually isn't all that complicated. 120 grams is equivalent to 120 milliliters, and 120 milliliters is equal to 0.21 liters, since you divide 120 by 1000.
Volcanoes are most closely related to which type
Answers
Answer:
Hey mate.....
Explanation:
This is ur answer.....
Volcanoes are closely associated with plate tectonic activity. Most volcanoes, such as those of Japan and Iceland, occur on the margins of the enormous solid rocky plates that make up Earth's surface.
Hope it helps!
Brainliest pls....
Follow me! ;)
Answer:
They are closely related the most to Plate Tectonics. They're usually at Convergent plate boundaries.
Explanation:
Hope this helped! Sorry if I'm wrong.
-Bella
Carbon contains six electrons and has a mass number of 12. How many neutrons does it contain?
Answers
Answer:
6 Neutrons
Explanation:
The number of Protons/Electrons (Protons and electrons are proportional to each other), added with the number of the neutrons that the atom has always equals the mass of the atom.
This claim can be represented with this formula
Protons/Electrons + Neutrons = Atomic Mass
Electrons = 6
Atomic Mass = 12
6(Electrons) + Neutrons = 12(Atomic Mass)
Neutrons = 12 - 6
Neutrons = 6
Therefore, the amount of Neutrons in a carbon molecule are 6
sample of n2 effuses in 255 seconds. how long will a similar amount of cl2 gas take to effuse under same conditions? a) 388 s b) 247 s c) 645 s d) 406
Answers
The time take to effusion similar amount of cl2 gas under same conditions is 406s, option D.
The process of a gas escaping from a container through a hole that is significantly smaller in diameter than the molecules' mean free route is known as effusion in physics and chemistry. The gas escape is caused by the pressure difference between the container and the outside, which is why such a hole is sometimes referred to as a pinhole. Since there are almost no molecular collisions in the vicinity of the hole, practically all molecules that reach the hole continue and pass through it.
Using Graham's Law of Effusion, we can determine the effusion rate of chlorine gas. Required values to determine the effusion rate are:
Molar mass of N₂ = 28 g/mol
Molar mass of Cl₂ = 70.5 g/mol.
Rate N₂ = 1/255 = 3.921 x 10⁻³ s⁻¹
Isolating for the effusion rate of chlorine gas and by plugging in the necessary values, we arrive with the effusion rate.
rate Cl₂ = rate N₂\(\sqrt{\frac{M_N_2}{M_Cl_2} }\)
= 3.921 x 10⁻³ \(\sqrt{\frac{28}{70.5} }\)
= 2.471 x 10⁻³ s⁻¹
Thus, we arrive with the time below by taking the reciprocal of the effusion rate:
t = 1/2.5x10⁻³
t = 406 s.
Learn more about Effusion:
https://brainly.com/question/2097955
#SPJ4
what mass of na2cro4 is required to precipitate all of the silver ions from 72.3 ml of a 0.134 m solution of agno3?
Answers
The mass of Na2CrO4 required to precipitate all the silver ions from 72.3 mL of 0.134 M solution of AgNO3 is 0.786 g.
To calculate the mass of Na2CrO4 required to precipitate all the silver ions from a 72.3 mL of 0.134 M solution of AgNO3, we need to use the balanced equation for the reaction between AgNO3 and Na2CrO4:
2AgNO3 + Na2CrO4 → Ag2CrO4 + 2NaNO3
From the balanced equation, we see that 2 moles of AgNO3 reacts with 1 mole of Na2CrO4 to form 1 mole of Ag2CrO4. Therefore, the number of moles of AgNO3 in the given solution is:
0.134 M x 0.0723 L = 0.00970 moles
This means that we need half that amount of Na2CrO4 to precipitate all the silver ions, which is:
0.00485 moles
The molar mass of Na2CrO4 is 161.97 g/mol, so the mass of Na2CrO4 required is:
0.00485 moles x 161.97 g/mol = 0.786 g
Therefore, the mass of Na2CrO4 required to precipitate all the silver ions from 72.3 mL of 0.134 M solution of AgNO3 is 0.786 g.
For more questions like Silver ions click the link below:
https://brainly.com/question/30544640
#SPJ11
Need some help with this question
Answers
The entire amount of greenhouse gases (such as carbon dioxide and methane) produced by human actions is known as a carbon footprint. One of the highest rates in the world, the average carbon footprint of a person in the United States is 16 tonnes.
What kinds of carbon footprint examples are there?As we drive, heat our homes with oil or gas, consume fuel for transportation, or use electricity produced from coal, natural gas, or oil, we all emit greenhouse gases.
Why is having a high carbon footprint bad?Described by the WHO as a weight of CO2, a carbon footprint is a measurement of the effect your actions have on the amount of carbon dioxide (CO2) created by the combustion of fossil fuels.
To know more about greenhouse gases visit:-
brainly.com/question/30908383
#SPJ1
Name the following molecular compounds:
1. CO₂
2. CO
3. H₂CO₃
Answers
Answer:
1. Carbon Dioxide
2. Carbon Monoxide
3. Carbonic Acid
Explanation:
If an unknown solution is a poor conductor of electricity, which of the following must be true?
a)The solution is highly ionized
b)The solution is slightly ionized.
c)None of these
d)The solution is slightly reactive.
e)The solution is highly reactive.
Answers
If an unknown solution is a poor conductor of electricity, then it must be slightly ionized or not ionized at all. This is because in order for a solution to conduct electricity.
it must contain charged particles (ions) that can move freely to carry the electric current. If the solution is highly ionized, it would be a good conductor of electricity. Similarly, if the solution is highly reactive, it doesn't necessarily mean that it will be a good or poor conductor of electricity. Therefore, the answer to this question would be The solution is slightly ionized. Na cation and Cl anion combine through electrovalent bonding to form sodium chloride, generally referred to as common salt. In its lattice, it takes the shape of a cubic crystal. NaCl is hard and has a high melting point because electrovalent bonds are strong and would require a lot of energy to break. In contrast, crystalline NaCl is a bad conductor of electricity. However, the conducting ions get loose and it becomes an excellent conductor of electricity when it comes into touch with moisture or when it is molten.
Learn more about poor conductor of electricity here
https://brainly.com/question/14126616
#SPJ11
2. note 1 in part 1 of the procedure warns against the use of acetone to rinse glassware for this experiment. why should acetone be avoided? briefly explain
Answers
Acetone is avoided because can harm the nervous system. Symptoms include headache nausea dizziness lightheadedness and confusion. Severe exposure may result in unconsciousness. Skin Contact May cause slight irritation.
Do not breathe vapors. Avoid contact with eyes skin and cloth. Keep the container tightly closed when not in use. The storage area should be cool, well-ventilated, and away from sources of ignition and heat. Breathing or swallowing large amounts of acetone in a short period of time can cause headaches confusion nausea increased heart rate changes in blood cell size and count and unconsciousness or coma.
Inhalation of acetone may irritate the nose throat lungs and eyes. Acetone occurs in humans as a byproduct of fat metabolism. Excessive accumulation of acetone to levels that the liver has difficulty breaking down results in severe acetone toxicity. Volumes of 10-20 liters have no serious effects. However, volumes over 50 L are considered toxic.
Learn more about Acetone here:-https://brainly.com/question/26510453
#SPJ4
Who was the first person to introduce the concept of atomic mass?
Answers
Nitrogen gas (N2) and hydrogen gas (H2) combine to form ammonia (NH3).
Which equation correctly represents this reaction?
Responses
N2 + 3H2 → 2NH3
upper case N subscript 2 end subscript plus 3 upper case H subscript 2 end subscript rightward arrow 2 upper case N H subscript 3 end subscript,
N + H → NH
upper case N plus upper case H rightward arrow upper case N H,
2NH → N + 3H2
2 upper case N H rightward arrow upper case N plus 3 upper case H subscript 2 end subscript,
2N2 + H2 → 3NH3
2 upper case N subscript 2 end subscript plus upper case H subscript 2 end subscript rightward arrow 3 upper case N H subscript 3 end subscript,
Answers
The equation is 2N2 + H2 → 3NH3 ,2 upper case N subscript 2 end subscript plus upper case H subscript 2 end subscript rightward arrow 3 upper case N H subscript 3 end subscript.
What is balanced equation ?A chemical equation that is balanced conserves mass and has an equal number of atoms of each element on both sides of the equation.
A chemical equation that is balanced has equal masses for the reactants and products, contains the same amount of atoms of each element on both sides of the equation.
Equal numbers of atoms from various elements are present in both the reactants and the products in balanced chemical equations. Different elements' atom counts in the reactants and products of unbalanced chemical equations are different.
To learn more about Balanced equation refer to :
https://brainly.com/question/26694427
#SPJ1
for each substance, identify the key bonding and/or intermolecular force(s), and predict which substance of the pair has the higher boiling point: 1. [ select ] cacl2 or pcl3 2. [ select ] ch3br or ch3f 3. [ select ] ch3oh or ch3-o-ch3
Answers
The material with a higher boiling point is: CaCl2,CH3Br,CH3OH
With regard to boiling points, which intermolecular force is the highest?Because ionic forces are more powerful than covalent interactions, these compounds have higher boiling temperatures than expected.
What substance does have the highest boiling point, and how do you know that?Relative boiling points can be predicted using intermolecular forces (IMFs).The relationship between the substance's vapour pressure and boiling point depends on the strength of the IMFs.In order to anticipate the compounds' respective boiling points, we may compare the IMFs of the various compounds.
To know more aout boiling point visit:
https://brainly.com/question/2153588
#SPJ4
1. If magnesium is added to hydrochloric acid, the reaction takes 35 seconds to go to
completion. It was found to change the hydrochloric acid from 0.5 M to 0.35 M.
Answers
The rate of the reaction can be obtained as 0.004 Ms-1.
What is the rate of reaction?We know that the rate of reaction is the rate of the change of the concentration with time of the system.
The rate of a chemical reaction is the speed at which the reactants are converted into products. It is usually expressed as the change in concentration of a reactant or product per unit time.
Rate of reaction = Change in concentration/ Time
= 0.5 - 0.35/35
= 0.004 Ms-1
Thus the reaction is is calculated as 0.004 Ms-1.
Learn more about rate of reaction:https://brainly.com/question/30546888
#SPJ1If magnesium is added to hydrochloric acid, the reaction takes 35 seconds to go to completion. It was found to change the hydrochloric acid from 0.5 M to 0.35 M. What is the rate of reaction?
Help me please!!!!!!!
Answers
Answer:
1. 264.369
2. 1772.65
3. 3.25
4.488
5. 0.164525
Explanation: I just added 0's to the ones that didnt have as many decimals which made it easy.
10. Provide the name or formula of each compound, as appropriate.a. Cl2O5b. H2SO3 (aq)c. Fe3(PO4)2d. lithium phosphidee. cadmium (III) iodide
Answers
We must provide the name or formula of each compound:
a. Cl2O5: Dichlorine pentoxide
b. H2SO3 (aq): Sulfurous acid
c. Fe3(PO4)2: ferrous phosphate
d. lithium phosphide: Li3P
e. cadmium (III) iodide: CdI2
2. When a substance changes phase from a gas to a solid, what happens to its density?
Answers
Answer:
Decrease
Explanation:
In solid mood the shape of the molecules are neat and more stronger than gas and liquide.
What is the mass of an object when the volume is 50.0mL and the density is 1.5g/mL
Answers
density=1.5g/mL, V=50mL
1.5=Mass/Volume
1.5(50)=mass
Mass=75g
Hope this can help.