In which or areas on the image dose salinity of the ocean increases
A.1
B.2
C.3
D.1,2,3
E.none of these
Answers
Answer and Explanation:
D I believe..
Answer: The saltiest locations in the ocean are the regions where evaporation is highest or in large bodies of water where there is no outlet into the ocean. The saltiest ocean water is in the Red Sea and in the Persian Gulf region (around 40‰) due to very high evaporation and little fresh water inflow.
Explanation: Sea water salinity is expressed as a ratio of salt (in grams) to liter of water. In sea water there is typically close to 35 grams of dissolved salts in each liter. It is written as 35‰ The normal range of ocean salinity ranges between 33-37 grams per liter (33‰ - 37‰).But as in weather, where there are areas of high and low pressure, there are areas of high and low salinity. Of the five ocean basins, the Atlantic Ocean is the saltiest. On average, there is a distinct decrease of salinity near the equator and at both poles, although for different reasons.Near the equator, the tropics receive the most rain on a consistent basis. As a result, the fresh water falling into the ocean helps decrease the salinity of the surface water in that region. As one move toward the poles, the region of rain decreases and with less rain and more sunshine, evaporation increases.Fresh water, in the form of water vapor, moves from the ocean to the atmosphere through evaporation causing the higher salinity. Toward the poles, fresh water from melting ice decreases the surface salinity once again. Water has a unique property. As the temperature decreases to 40°F (4°C) the molecules slow, water contracts and the density increases. Below 40°F (4°C) the molecules begin to bond to each other and as they do, the water begins to expand again, decreasing the density. At 32°F (0°C) all molecules are locked into a crystalline structure with a resulting nine percent expansion in size. This expansion, and corresponding decrease in density, is the reason ice floats. The amount of salt in sea water also determines the temperature at which sea water freezes. Adding salt to water lowers the freezing temperature. Water with a salinity of 17‰ freezes at about 30°F (-1°C) and 35‰ water freezes at about 28.5°F (-2°C). Yet, despite the saltiness of the ocean, sea ice contains very little salt, about a tenth of the amount of salt that sea water has. This is because ice will not incorporate sea salt into its crystal structure. Therefore, sea ice is actually drinkable. The temperature and salinity of the sea water also help determine its density. As the temperature of sea water decreases the density also increases. Also, as the salt content of sea water increases, so does its density. This makes the density of sea water, unlike fresh water, below the freezing point. So, in situations of sea ice formation, the salinity, and therefore the density of the underlying water continues to increase well after an area is iced over.
In the "Average Salinity" map (below), it shows the lowest salinity in the polar regions. Bear in mind, this image depicts surface salinity only. The surface salinity is lower in the polar regions than in the tropical regions due to melting each summer. However, each winter below the ocean surface, the increased salinity in the water due to ice formation, causes the water below the ice to sink and that sinking motion governs the motion of the ocean's deep-water currents.
Related Questions
ion channels: a. only open in response to a signal of some kind. b. require input of energy in order to function
Answers
Only in reaction to some sort of stimulus do ion channels open.
Simple definition of an ion channel.Ion channels are cellular membrane pores that allow ions to pass through the impermeable lipid cell membrane.
How are ion channels used?Ion channels were protein molecules that cross a cell's membrane to let ions travel from one of the membrane's sides to the other. They contain an aqueous hole that opens when a shape change inside the protein complexes causes an ion channel to do so.
To know more about ion channels visit:
https://brainly.com/question/14190265
#SPJ4
A mineral contains 75 parent isotope and 25 daughter isotope. The half-life of the isotope is 200 years.
when did ths mineral crystallize?
Answers
After 83 years, this mineral crystallised.
You divide the total amount of the isotope by two for each half-life, so the amount left over is equal to the original amount divided by n half-lives.
A = Ao/2^n
If 75 of the original 100 atoms are still present, then the equation is 100/75 = 2n 4/3 = 2n.
n log 2 = log(4/3)
t = 0.415*t/2 = 0.415*200 = 83 years, where n = log(4/3)/log2 = 0.1249/0.3010 = 0.415
Hence, After 83 years, this mineral crystallised.
Learn more about Half life here:
https://brainly.com/question/2320811
#SPJ4
5. Which is NOT true about mixtures?
A. Mixtures are physical combination of only one substance.
B. Mixtures can be homogeneous and heterogeneous.
C. Mixtures are physical combination of two or more substance.
D. Mixtures can be separated in different processes.
Answers
Matter can be broken down into two categories: pure substances and mixtures. Pure substances are further broken down into elements and compounds. Mixtures are physically combined structures that can be separated into their original components.
A chemical substance is composed of one type of atom or molecule.
A mixture is composed of different types of atoms or molecules that are not chemically bonded.
A heterogeneous mixture is a mixture of two or more chemical substances where the various components can be visually distinguished.
A homogeneous mixture is a type of mixture in which the composition is uniform and every part of the solution has the same properties.
Various separation techniques exist in order to separate matter, including include distillation, filtration, evaporation and chromatography. Matter can be in the same phase or in two different phases for this separation to take place.
As the frequency of an electromagnetic wave increases, the amount of energy in that wave.
Answers
An electromagnetic wave's energy rose as its frequency increased.
Electromagnetic wave -In terms of science, electromagnetic radiation is made up of electromagnetic field waves that travel over space while carrying electromagnetic radiant energy and momentum.
It consists of X-rays, gamma rays, microwaves, infrared, light, and radio waves. Since the electric and magnetic fields are oscillating, the waves of energy are known as electromagnetic (EM).
They are categorised by scientists based on their frequency or wavelength, from high frequency to low frequency (short to long wavelength).
The following details must to be taken into account:
The energy should increase as the electromagnetic wave does.
All of this calls for a reduction in speed and wavelength.
Therefore, we can draw the conclusion that an electromagnetic wave's energy rose as its frequency increased.
To learn more about electromagnetic wave from given link
https://brainly.com/question/9854574
#SPJ4
PLEASE URGENT HELP!! 30 POINTS!!!!!!
Answers
Answer:
CH³–C=CH——CH³–CH=CH²
Explanation:
THIS IS PROPYNE TO PROPENE
Which atom has a mass of 12 u
Answers
Answer:
carbon-12
Explanation:
One atomic mass unit is approximately the mass of Hydrogen-1, a proton, a neutron, and precisely one-twelfth the mass of Carbon-12, meaning that Carbon-12's atomic mass is 12u.
The mass of carbon atom is 12 u.
What is mass ?The mass of a thing is a measurement of how much matter it contains.
What is carbon?Carbon is just a chemical substance with both the atomic number 6 and the symbol C.
The atomic number carbon is 6 and atomic mass is 12 u
Therefore, the carbon atom posses 12 u mass.
To know more about mass and carbon
https://brainly.com/question/22530423
#SPJ2
A compound has a percent composition of 38.7% carbon, 9.76% hydrogen, 51.5% oxygen.
Laboratory data shows that the compound's molar mass is 62.0 g/mol. What is the
molecular formula of the compound?
Answers
The molecular formula of the compound that has a percent composition of 38.7% carbon, 9.76% hydrogen, 51.5% oxygen is C2H6O2.
How to calculate molecular formula?The molecular formula can be calculated from the empirical formula. The empirical formula of the compound is calculated as follows:
C = 38.7% = 38.7gH = 9.76% = 9.76gO = 51.5% = 51.5gNext, we convert the mass to moles by dividing by their atomic mass:
C = 38.7 ÷ 12 = 3.23molH = 9.76 ÷ 1 = 9.76molO = 51.5÷ 16 = 3.22molNext, we divide by the smallest (3.22)
C = 1H = 3O = 1Hence, the empirical formula of the compound is CH3O
If the molar mass of the compound is 62g/mol;
(CH3O)n = 62
31n = 62
n = 2
(CH3O)2 = C2H6O2
Therefore, the molecular formula of the compound that has a percent composition of 38.7% carbon, 9.76% hydrogen, 51.5% oxygen is C2H6O2.
Learn more about molecular formula at: https://brainly.com/question/14425592
The specific heat capacity of methane gas is 2.20 J/g°C. How many joules of heat are needed to raise the temperature of 5.00 g of methane from 22.0°C to 57.0°C?
a-79.5 J
b-385J
c-869 J
d-0.0126 J
Answers
Answer:
b - 385 j
Explanation:
PLEASE HELP ME : IT'S ABOUT SCIENCE
Energy is the ability to do work, and to do work means to move something. Every time you or any of your cells move (which is all the time), you are using energy. Humans get all of our energy from eating things. Plants get their energy from the sun. In fact, nearly all the energy on our planet comes from the sun.
Because the sun is a giant fusion reactor, it constantly bombards Earth with energy, which is transferred, stored, and used in many ways. Energy conversion is the transfer of energy from one form to another. For example, chemical energy is stored in the cells of green plants through a process called photosynthesis. This chemical energy started as solar energy, which was converted through a chemical process. The light energy breaks down the chemical bonds in carbon dioxide molecules and converts them to oxygen and carbohydrates (molecules of hydrogen and carbon). When you eat something, the muscles in your body use this stored chemical energy from the sun by splitting the carbohydrate molecules to gain their stored, potential energy.
Most of the energy on Earth comes from____
A) chemicals.
B) the sun.
C) photosynthesis.
D) carbohydrates.
Answers
The sun gives off radiant energy onto earth
If I have 30 liters of gas held at a pressure of 3.4 atm and a temperature of 225 K, how many moles of gas do I have? 5.52 mol
Answers
Answer:
234 atm
Explanation:
which of these was used by Alfred Wagner as evidence that was continents lead masses have drifted apart over time
Answers
Answer: —The processes of seafloor spreading, rift valley formation, and subduction (where heavier tectonic plates sink beneath lighter ones) were not well-established until the 1960s. These processes were the main geologic forces behind what Wegener recognized as continental drift.
Explanation:
MARKING BRAINLIEST!!!!
How many subshells will n=25 contain?
Answers
Is it 20 subshells ? This is an honest guess i have no idea
A battery contains two metals that have different tendencies to attract electrons. If one is lithium with an electron affinity of −3.05, and the other is zinc with an electron affinity of −0.76, describe how the electrons will flow. Then, describe how you could make this an even stronger battery.
Answers
This battery could be made stronger when we make lithium the anode and make zinc the cathode.
What is the electron affinity?We know that the term electron affinity has to do with the fact the a specie is able to attract electrons. Hence, the specie that can be able to attract electrons is said to be have a greater electron affinity.
If we look at the order of the reactivity of the metals, we can see that the lithium has more tendency to exist as a positive ion as such the electron affinity of the lithium atom is very negative and it does not attract electrons.
Learn more about electron affinity:https://brainly.com/question/13646318
#SPJ1
Plz help (it’s a picture)
Answers
Answer:
Shown below
Explanation:
Molar mass: 149.09
% Nitrogen: 28.2
% Hydrogen: 8.1
% Oxygen: 43.0
% Phosphorus: 20.8
what's the answerrr?? :)
Magnesium ribbon reacts with dilute hydrochloric acid. Explain how altering the concentration of the hydrochloric acid alters the rate of the reaction???? (3 marks)
Answers
Explanation:
The reaction between magnesium ribbon and dilute hydrochloric acid is a classic example of a single replacement reaction, which can be represented by the following chemical equation:
Mg (s) + 2HCl (aq) → MgCl2 (aq) + H2 (g)
In this reaction, magnesium (Mg) reacts with hydrochloric acid (HCl) to form magnesium chloride (MgCl2) and hydrogen gas (H2).
The rate of this reaction can be altered by changing the concentration of the hydrochloric acid. This is because the rate of a chemical reaction depends on the concentration of the reactants. Specifically, the rate of the reaction is proportional to the concentration of the reactants raised to some power, which is determined by the reaction's rate law.
In this reaction, the rate law can be expressed as:
Rate = k [Mg] [HCl]^x
Where k is the rate constant and x is the order of the reaction with respect to hydrochloric acid. The order of the reaction with respect to magnesium is one, since the concentration of magnesium does not change during the reaction.
When the concentration of hydrochloric acid is increased, the rate of the reaction increases because there are more hydrochloric acid molecules available to collide with magnesium atoms and react. This means that the value of x is greater than zero and the reaction is dependent on the concentration of hydrochloric acid.
Conversely, when the concentration of hydrochloric acid is decreased, the rate of the reaction decreases because there are fewer hydrochloric acid molecules available to react with magnesium. This means that the value of x is less than one and the reaction is not entirely dependent on the concentration of hydrochloric acid.
What is a metal and nonmetal that equals Ionic bond
M+NM= Ionic Bond
if possible can you show the covalent bond too?
GIVING 80 POINTS AND BRAINLIEST
Answers
A metal and nonmetal which forms or equals to ionic bond is sodium and chlorine respectively.
The force of attraction which binds or holds together two different atoms which are metals and nonmetals is known as ionic bond.
Na + Cl ------ NaCl
Metal Nonmetal
Sodium has 1 valence electron and chlorine has 7 valence electrons, sodium readily gives it valence electron to chlorine to achieve an octet configuration.
As chlorine receives this, it has 8 valence electrons too. The bonding formed here is known as ionic bonding.
How is a covalent bond formed?A covalent bond is formed mostly between nonmetals.
For instance, a covalent bond is formed between the sharing of electrons between carbon and oxygen to give carbon dioxide.
Characteristics of ionic compounds.Most ionic compounds formed as a result of ionic bonding as characteristized by the following properties:
When dissolved in water, ionic compounds conduct electricity.Ionic compounds are also used as insulatorsIonic compounds have high melting and boiling point.Therefore, a metal and nonmetal which forms or equals to ionic bond is sodium and chlorine respectively.
Learn more about ionic bonding:
https://brainly.com/question/13526463
#SPJ1
Lithium carbonate has been useful in some instances in the treatment of:_________
Answers
Answer:
unipolar and bipolar depression, and for the prophylaxis of bipolar disorders and acute mania.
Explanation:
Lithium carbonate, a drug known for more than 100 years, has been successfully used as a psychiatric medication. Currently, it is a commonly used drug to treat patients with unipolar and bipolar depression, and for the prophylaxis of bipolar disorders and acute mania.
please mark me the brainliest
to a first approximation the ionization constant of h2s is
Answers
The ionization constant of H₂S is approximately 1.0 x 10⁻⁷.
The ionization constant, also known as the acid dissociation constant (Ka), is a measure of the extent to which an acid dissociates in water. It indicates the degree of ionization of an acid and is typically expressed as the equilibrium constant for the reaction between the acid and water.
In the case of H₂S (hydrogen sulfide), it is a weak acid that can partially dissociate in water to produce hydrogen ions (H⁺) and sulfide ions (HS⁻). The ionization reaction can be represented as follows:
H₂S ⇌ H⁺ + HS⁻
The ionization constant (Ka) represents the equilibrium expression for this reaction. The value of Ka determines the relative strength of the acid. For H₂S, the ionization constant is approximately 1.0 x 10⁻⁷, indicating that it is a weak acid.
This value indicates that H₂S only partially ionizes in water, with a small fraction of H₂S molecules dissociating into H⁺ and HS⁻ ions. The majority of H₂S remains in its molecular form.
It is important to note that the ionization constant can vary depending on factors such as temperature and concentration. The given approximation is a typical value at standard conditions.
To know more about "Ionization constant" refer here:
https://brainly.com/question/30639622#
#SPJ11
which of the following characteristics identifies a ph-balanced shampoo
Answers
The pH scale ranges from 0 to 14, with values below 7 considered acidic, 7 being neutral, and values above 7 being alkaline. Hair and scalp have a slightly acidic pH, and using a pH-balanced shampoo helps maintain the natural balance.
The characteristic that identifies a pH-balanced shampoo is having a pH level close to the natural pH level of the hair and scalp, which is around 4.5 to 5.5. Therefore, a pH-balanced shampoo will have a pH level in the acidic to neutral range, typically between 4.5 and 5.5, to avoid causing damage or disrupting the natural pH balance of the hair and scalp.
Learn more about natural pH here ;
https://brainly.com/question/5171852
#SPJ11
A pH-balanced shampoo should have a pH between 4.5 and 5.5, contain mild acids or bases, and help to keep the hair and scalp's natural pH level balanced.
Explanation:Characteristics of a pH-balanced shampoo:pH is between 4.5 and 5.5Contains mild acids or bases to maintain the desired pH level Helps to keep the hair and scalp's natural pH level balancedA pH-balanced shampoo is important because it prevents the scalp from becoming too dry or too oily. It ensures that the hair cuticle is closed, reducing frizz and improving shine. Using a pH-balanced shampoo can also help maintain the effectiveness of other hair products.
Learn more about pH-balanced shampoo here:https://brainly.com/question/32512053
#SPJ6
The half-life of sodium-24 is 15 hours. How much sodium-24 will remain after 3.75 days, if the initial sample
was 20.0 grams
Answers
After 3.75 days, 6.25 grams of sodium-24 will remain.
What is the reverse of the process of sublimation
Answers
The reverse of the process of sublimation is deposition.
Sublimation is a genre of phase remodeling that takes the spot when a solid turns straightway into a gas, bounding the liquid phase. The contrary of sublimation is vapor deposit. The tenure" sublimation" simply applies to a physical modification of state and not to the metamorphosis of a solid into hot air during a chemical reaction
The deposition is when stuff in gas configuration changes states to come a solid. The gassy material gets deposited( generally as chargers) bypassing the middling liquid state. An illustration of deposition is when water vapor in the atmosphere changes straightway into ice, similar to the configuration of frost.
To learn more about sublimation refer to
https://brainly.com/question/28626755
The flow of air from land to a body of water is called sea breeze
Answers
2. Which statement about activation energy is true?
Answers
Answer: the statement issues are addressed by the people working together is true about activation.
Explanation:
Which substance has vibrating particles in regular, fixed positions? A)Ca(s) B) Hg(l) C)Cl2 (g) D) CaCL2 (aq)
Answers
The substance that has vibrating particles in regular, fixed positions is Ca(s). Solids are distinguished by the regular, fixed positions of their particles.
The solid particles are tightly packed together, with little empty space between them. The distance between the atoms is less than in liquids or gases, and the attractive forces between the particles are stronger. These forces keep the particles in their place, causing the particles to vibrate around a fixed position.When it comes to their shape, solids are characterized by having a fixed shape that does not conform to the container's shape in which they are placed. Solid matter's density is typically higher than that of liquids and gases.
Learn more about solids
https://brainly.com/question/752663
#SPJ11
The strength of the gravitational attraction depends on the mass of the objects involved and the distance between them. The gravitational force between two objects will be lowest in which of the following situations?
A. Both objects have small masses and are close together.
B. One object has a large mass, and the objects are close together.
C. Both objects have large masses and are close together.
D. Both objects have small masses and are far apart.
Answers
Answer:
d sguro
Explanation:
I'm not sure kung ayan ba
multiple choice chemistry quiz
Answers
Answer:
none of the choices
0.05 ÷ 750 = 6.666
To calculate the Molar Concentration, we will find the molar concentration by dividing the moles by liters of water used in the solution. For example, the acetic acid here is completely dissolved in 1.25 L of water. Then divide 0.1665 moles by 1.25 L to get the molar concentration, which will be 0.1332 M
Zinc reacts with lead (II) nitrate to produce zinc nitrate and lead. This reactions is:
Word form?
Answers
Answer:
Displacement Reaction
Explanation:
Zinc replaces lead in Lead(ll) nitrate as zinc is more reactive than lead.
the idea of arranging the elements in the periodic table
Answers
Elements are arranged from left to right and top to bottom in order of increasing atomic number. Order generally coincides with increasing atomic mass. The rows are called periods.
Lift up the glass in one bowl, and place an effervescent tablet in the water beneath it. Quickly place the inverted glass over the tablet, and repeat the procedure with the other bowl. Note the changes in the water level and the air space in both glasses, and write down your observations.
Answers
The glass containing the effervescence tablet has a greater air space than the other.
What is effervescence?The term effervescence refers to the evolution of a gas. An effervescence tablet is a tablet that is designed to release the gas called carbon dioxide.
When we add the effervescence tablet and compare the level of the water in the two bowls, we will see that the water in the glass containing the effervescence tablet has a greater air space than the other.
Learn more about carbon dioxide:https://brainly.com/question/14445045
_______ in saliva start the chemical digestion process
Answers
Answer:
amylase
Explanation: