Answer:
Gas
Explanation:
moderates weather so that highs and lows are less extreme
I need the factor of that
Moderates weather so that highs and lows are less extreme because of sea breeze motion.
Sea breeze are that as the warm air from the land is rising and the cooler air from the ocean is flowing over land and will replace the warmer air that is rising. in simple words , land gets warmer during the day than the water and the hot air rising up and cooler air move towards the land called as sea breeze. moderate weather is refers to that weather which is neither very cold nor very hot.
Thus, Moderate weather so that highs and lows are less extreme because of sea breeze motion.
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Some of the brine is encapsulated within ice crystals, but most is trapped in the spaces between neighboring crystals. When air temperature falls below 0°C, the brine migrates downward, toward the higher water temperatures below. Eventually, the high-density brine drains into the water beneath the ice. In the process, the sea ice freshens while the salinity of the underlying water. and becomes
a increases less dense
b
increases
more dense
c. decreases less dense
d. decreases
more dense
The high-density brine drains into the water beneath the ice and in the process, the sea ice freshens while the salinity of the underlying water decreases, becoming less dense (Option C).
Sea ice is usually less salty than the ocean water it freezes from. During the process of ice formation, salt in the ocean water is expelled from the ice as it grows; most of the salt is ejected into the ocean but some remain trapped inside pockets of brine within the ice. When the air temperature falls below the freezing point of seawater (usually around -1.8 °C), water molecules start to form ice crystals, which grow and aggregate into a solid sheet of ice.
During this process, the salt rejected by the growing ice also accumulates, causing the salinity of the remaining brine to increase. Some of the brine is encapsulated within ice crystals, but most are trapped in the spaces between neighboring crystals.
Thus, the correct option is C.
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HELP!! Which of the following phase changes occur at point B on the phase diagram shown below?
Boiling
Condensation
Freezing
Sublimation
Answer:
freezing
Explanation:
because condensation is gas to liquid boiling is liquid to gas and sublimation is solid to gas
the tiny particles that make up all matter are called____
The tiny particles that make up all matter are called atoms. An atom is the basic unit of a chemical element, which is made up of three subatomic particles: electrons, protons, and neutrons.
These subatomic particles are what make up the atom, with the electrons orbiting around the nucleus, which is composed of the protons and neutrons. There are over 118 different types of atoms, each with different numbers of protons, neutrons, and electrons. The number of protons determines what element the atom belongs to and the number of neutrons and electrons can vary, resulting in isotopes and ions.
Atoms combine with other atoms to form molecules, which make up all the different substances we see around us.
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What is the equation to determine the MA of a wedge?
MA= length - width
MA= Length+ width
MA= Length * width
MA= Length/ wisth
Answer:
length/width
Explanation:
Answer:
Length/Width
Explanation:
I did the module 10 exam so I know it is length/width
What is the concentration (M) of sodium ions in 4.57 L of a
0.268 mol L-1 Na3P solution?
The concentration (M) of sodium ions in a 0.268 mol/L Na3P solution can be calculated by considering the stoichiometry of the compound. The concentration of sodium ions in the 4.57 L Na3P solution is 0.268 M
In this case, the concentration of Na3P is 0.268 mol/L, and the volume of the solution is given as 4.57 L. Multiplying these values together gives us the number of moles of Na3P in the solution, which is 1.225 mol. Since there are three sodium ions per molecule of Na3P, the number of moles of sodium ions is also 1.225 mol.
To find the concentration of sodium ions, we divide the number of moles of sodium ions by the volume of the solution. Therefore, the concentration of sodium ions in the 4.57 L solution is 1.225 mol / 4.57 L = 0.268 M.
In summary, the concentration of sodium ions in the 4.57 L Na3P solution is 0.268 M, obtained by considering the stoichiometry of Na3P and dividing the number of moles of sodium ions by the volume of the solution.
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How do you measure the wavelength of a longitudinal wave?
a. the distance from a rarefaction to a compression
b. the length of a rarefaction
c. the length of a compression
d. the length of one compression and rarefaction
The right response is D. the length of one compression and rarefaction.
What is wavelength?A wave's wavelength is the separation between two adjacent locations that are in phase with one another. It is the actual distance covered by a single wave cycle.
Hence, one compression and one rarefaction are identical in length to one wavelength.
In a longitudinal wave, the medium's particles vibrate perpendicular to the wave's direction of propagation. In the medium, this causes areas of compression and rarefaction. One wavelength is equal to the space between any two compressions or rarefactions that follow one another.
You can mark a spot on a medium and measure the distance between it and the following point that reaches the same phase of a longitudinal wave to determine its wavelength (either a compression or a rarefaction). To get a more precise measurement, you can then repeat this process numerous times and take an average.
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EASY 10TH GRADE CHEM -- Use this method to calculate the molar concentration of "copper (II) sulfate" if it has a measured absorbance of 2.17. The absorbance of a 0.10 M solution is 0.96. Round your answer to correct significant figures and do not include units.
The concentration of copper (II) sulfate when it's absorbance is 2.17 is 0.22 M.
The concentration of copper (II) sulfate when it has absorbance value 2.17 is found out by cross multiplying concentration of 0.10 M solution with it's absorbance and then dividing it by absorbance of 0.10 M copper sulfate solution.That is,
0.10×2.17/0.96=0.22 M
What is Beer-Lambert's law?The law suggests a linear relationship between absorbance and concentration of a solution.The law states that, absorbance of a solution is directly proportional to the concentration and the path length that is,
A=C×l
where l=path length
Thus, it can be inferred from the law that as absorbance of solution increases it's concentration also increases as they are directly proportional.
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Which has the longest wavelength?
Which has the highest frequency?
Answer:
Which has the longest wavelength?
✔ microwaves
x infrared
x visible
x X-rays
Which has the highest frequency?
✔ X-rays
x infrared
x microwaves
x visible
Explanation:
I apologize if this was a late answer or if this doesn't answer your original question, but hope this helps! :)
Answer:
Microwaves then X rays
Explanation:
Which of these are components of DNA?
Answer:
nucleotides
Explanation:
Hope this helps :D
Answer:
dna is made up of nucleotides!
Explanation:
hope this helped
Which of the following BEST accounts for the charge in potential energy going from Point B to Point A?As the atoms get closer together, their nuclei begin to repel one another,As the atoms get closer together, the attraction of the nucleus of each atom for the electron(s) of the other gets stronger and stronger,As the molecules get closer, they slow down, converting kinetic to potential energy,The bond is becoming stronger as the atoms approach each other.
The statement which accounts for the change in potential energy going from Point B to Point A is that as the atoms get closer together, the attraction of the nucleus of each atom for the electron(s) of the other gets stronger and stronger and is denoted as option B.
What is Potential energy?This is referred to as the energy possessed by a body by virtue of its position.
The change in the potential energy is as a result of the atoms getting closer which leads to the attraction of the nucleus of the electron of the other getting stronger.
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The VSEPR model predicts the H-O-H bond angle in H3O+ to be A) 60° B) 90° C) less than 109.5° but greater than 90° D) 109.5° E) None of these
The correct answer is C) less than 109.5° but greater than 90°. This bond angle prediction based on the VSEPR model is consistent with experimental measurements.
The VSEPR (Valence Shell Electron Pair Repulsion) model is used to predict the shapes of molecules based on the number of valence electron pairs around the central atom. In the case of \(H_3O^+\), the central atom is oxygen, which has four electron pairs (three bonding pairs and one lone pair) around it. The VSEPR model predicts that these electron pairs will repel each other, resulting in a tetrahedral shape for the molecule. The bond angle between the three hydrogen atoms and the oxygen atom in \(H_3O^+\) can be predicted by considering the positions of the bonding pairs and lone pair around the oxygen atom. The lone pair occupies more space than a bonding pair due to its greater electron density, so it will push the bonding pairs away from it, reducing the bond angle.
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For the following reaction at equilibrium in a reaction vessel, which change in the reaction will occur when the volume is increased? (Select all that apply.)P4 (s) + 6Cl2 (g) -> 4PCl3 (l)increase in Cl2shift to the rightincrease in PCl3more product producedshift to the left
Explanation:
At equilibrium, if the reaction vessel increases in volume, then the pressure will decrease, then the equilibrium will shift to the side with the most quantity of moles.
According to the reaction: P4 (s) + 6 Cl2 (g) => 4 PCl3 (l)
Gases are only considered here.
The statements that apply are:
increase in Cl2
shift to the left
Answer:
increase in Cl2
shift to the left
2. what is the concentration of a solution of fe(no3)3 if 80 ml of a 3.0 m fe(no3)3 solution is diluted to a total volume of 1500 ml?
Answer:To calculate the concentration of the Fe(NO3)3 solution after dilution, we can use the formula:
Explanation:
C1V1 = C2V2
C1 = Initial concentration of the solution
V1 = Initial volume of the solution
C2 = Final concentration of the solution
V2 = Final volume of the solution
Initial concentration (C1) = 3.0 M
Initial volume (V1) = 80 mL
Final volume (V2) = 1500 mL
Using the formula, we can solve for C2:
C1V1 = C2V2
(3.0 M)(80 mL) = C2(1500 mL)
Rearranging the equation to solve for C2:
C2 = (C1V1) / V2
C2 = (3.0 M)(80 mL) / 1500 mL
C2 ≈ 0.16 M
Therefore, the concentration of the Fe(NO3)3 solution after dilution is approximately 0.16 M.
we have an initial solution of Fe(NO3)3 with a concentration of 3.0 M and a volume of 80 mL. The goal is to dilute this solution to a final volume of 1500 mL and determine the concentration of the diluted solution.
To do this, we can use the dilution formula: C1V1 = C2V2, where C1 and V1 represent the initial concentration and volume, and C2 and V2 represent the final concentration and volume.
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An Glu amino acid is found in the core (interior) of a water-soluble FOLDED protein (meaning its happy there). What must happen to the pKa of its side-chain group
Glutamic amino acid is the non-essential amino acid and an excitatory neurotransmitter. When Glu is found in the core then the pKa of the side chain group increases.
What is pKa?pKa is the acid strength or the estimate that shows whether the solution is weak or strong acid. pKa less than zero is a strong acid and portrays the bonding of the proton by the acids.
In the Glu amino acid, the value of the pKa of the side chain functional groups increases as the amino acid is found in the interior of the water-soluble folded protein structure.
Therefore, the pKa of the side-chain increases.
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4 The formation of a bond between a Group 1 metal and a nonmetal is likely: non-polar ionic O non-polar covalent O polar covalent QUESTIONS A closed vessel at 1. 0 atm contains 4. 0 grams of H2 and 19. 0 grams of Ar. What is the partial pressure of argon in the vessel? MW. H2 - 2016 g/mol MW. Ar - 39. 948 g/mol 45% O 19 85% 50%
Answer:
Explanation:
The bond between any group 1 metal and a non-metal is always polar in nature as the resulting compound is always formed due to the transfer of electrons from the electron-donating site ie., metal to electron-accepting place non-metal. Due to such phenomena, there is a polarisation in the product.
For example, in NaCl, the Na (sodium) loses one electron to get positively charged which is accepted by Cl (chlorine) forming a negatively charged anion. thus creating polarity.
When naming the second nonmetal in a covalent molecule, the numerical value is indicated by a __.
Answer:
roman numeral
Explanation:
aluminum metal reacts with aqueous copper(ii) sulfate to form aqueous aluminum sulfate and copper metal. what is the stoichiometric coefficient for aluminum when the chemical equation is balanced using the lowest whole-number stoichiometric coefficients?
Answer:
The stoichiometric coefficient for aluminum, Al when the chemical equation is balanced is 2.
To obtain the stoichiometric coefficient for aluminum, we shall write and balance the equation for the reaction. This is illustrated below:
Aluminum => Al
Iron (II) chloride => FeCl₂
Aluminum chloride => AlCl₃
Iron => Fe
Aluminum + Iron (II) chloride —> Aluminum chloride + Iron
Al + FeCl₂ –> AlCl₃ + Fe
There are 3 atoms of Cl on the right side and 2 atoms on the left side. It can be balance by writing 3 before FeCl₂ and 2 before AlCl₃ as shown below:
Al + 3FeCl₂ –> 2AlCl₃ + Fe
There are 2 atoms of Al on the right side and 1 atom on the left. It can be balance by writing 2 before Al as shown below:
2Al + 3FeCl₂ –> 2AlCl₃ + Fe
There are 3 atoms of Fe on the left side and 1 atom on the right side. It can be balance by writing 3 before Fe as shown below:
2Al + 3FeCl₂ –> 2AlCl₃ + 3Fe
Now, the equation is balanced.
The coefficient of Aluminum, Al in the balanced equation is 2.
Some metals have a molecular structure that makes them good conductors. Explain how understanding this relationship can help engineers make more powerful batteries.
Due to the fact that the atoms in metals form a grid throughout which outside electron can easily travel, metals are efficient conductors of both electricity and heat.
What kinds of substances possess molecular structures that make them effective conductors?The architecture of the metal, as was previously said, is what renders them such excellent electrical conductors. Metal manages to have a strong structure while also allowing electrons to move freely through it. Several types of metallic bonding exist in metals.
How will you defend the fact that metals are effective heat conductors?Because of how tightly packed their particles are, metals are pretty brilliant heat conductors because vibrations are transferred very fast. Also, they have a lot of free electrons. Metals gain their strength from these as they gently float through the structure.
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What type of salt will affect temperature most?
Answer:
Sodium chloride
Explanation:
Mg + 2HCl --> H2 + MgCl2 How many moles of H2 will form from 20 moles of HCl
You're paid $25 per hour for your job. How much would you earn in cents per second?
Answer:
0.694 cents per second
Explanation:
25x100=2500 cents per hour, 2500/60 = 41.67 per minute and 41.67/60=0.694 cents per second
Less than (%) can name the Supreme court Judge?*
Your answer
Answer:
36%
Explanation:
Calculate the amounts of p-acetamidophenol (in grams) and bromoethane (in milli- liters) that are used in this reaction. 5. What is activated carbon? What is it used for, either in the lab or other applications?
the amount of bromoethane (in milli- liters) that are used in this reaction is 74.13ml.
Mol wt of P-Acetamido phenol = 151.16. Mol wt of Bromoethane = 108.97. Mol wt of Acetophenetidin (product) = 179.22. Paraacetamido phenol, mol wt=151.16. Bromoethane= 108.97. By the law of mass action, 151.16 g P-Acetamido phenol will react 108.97g Bromoethane to get 179.22 g Acetophenetidin (product) and 80.91 g Hydrobromic acid as a bye product. Since the density of Bromoethane = 1.47g/cc, the quantity of Bromoethane in milliliters = 108.97/1.47 = 74.13 ml. Activated carbon, also known as activated charcoal, is a form of carbon that has been processed to have small, low-volume pores that increase the surface area available for adsorption or chemical reactions. Activated carbon is used for a wide range of industrial and environmental applications, including purifying air and water, removing impurities from liquids and gases, and recovering valuable chemicals. In the laboratory, activated carbon is commonly used to purify organic compounds, remove dissolved gases from liquids, and purify water.
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Describe how matter moves throughout the owl’s food web.
Your food web should include drawings and labels of the organisms as well as arrows to show how energy (food) moves through the web
What moves throughout the owl’s food web?In the food web in a feed food chain, energy and nutrients go from plants to the fruitarian consuming them, and to the carnivores or omnivores hunt upon the herbivores. owls often eat other carnivores, such as weasels, bats, and astute, and insect-eating birds. Therefore, owls hold a spot at the top of the food chain. Using the food web and simple determining, they track the flow of energy and biomass through the food web, and impose the concept of matter and energy ... food web uses the real-life diet of an owl. Many times in science classes you may vivisect an owl's amount of available energy decrease as it passes through the ecosystem.
So we can conclude that the food web consists of all the food chains in one ecosystem. Each living thing in an ecosystem is part of a different food chain.
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. When a newspaper is left in direct sunlight for a few days, the paper begins to turn yellow. The yellow
color is evidence of a
a physical property b, chemical property
c. physical change d. chemical change
4. What describes matter based on its ability to change into new matter with different properties?
a. A chemical change
b. A physical property
c. A chemical property
d. A physical changE
Physical Change
It is being changed by the sun
how is bacteria on mars counted as life but a heartbeat on earth is not?
A vise grip applies a pressure of 840 Pa. How many atmospheres of pressure?
Answer: .00829 atm
Explanation:
1 atm is = 101325 Pa
Take 840 Pa and divide by 101325
840 Pa = .00829 atm
I have a few minutes left! Will award 25 points!!
_____ Are useful for comparison purposes to determine the size of microscopic cell structures? A. Sizing beads B. Eye dropper bottles C. Meter sticks I am not sure between A or C?
I need help with a law , I’m the president and need 3 laws and 3 goals explaining how these laws can make a better community etc.
In the below given ways we can give 3 laws and 3 goals that can make a better community. Law is a system of rules formed and enforced by social or political organizations.
What is law?Law is a system of rules formed and enforced by social or political organizations to regulate conduct, the precise definition of which has long been debated. It has been regarded as a science as well as an art form.
3 laws and 3 goals that can make a better community are:
When enforcing community rules, be fair.
Keep an eye out for anonymous complaints.
Keep community rules as well as terminology as minimal as possible.
Therefore, in the above given ways we can give 3 laws and 3 goals that can make a better community.
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