a cell that is permeable to solute x is placed into solution containing a higher concentration of x. diffusion occurs until equilibrium is reached. at this time,
Answers
When a cell that is permeable to solute x is placed into a solution with a higher concentration of x, diffusion occurs.
When a cell that is permeable to solute x is placed into a solution with a higher concentration of x, diffusion occurs. Diffusion is the movement of molecules from an area of high concentration to an area of low concentration. In this case, the solute x will move from the solution into the cell until equilibrium is reached.
Equilibrium is the state when the concentration of solute x is the same inside and outside the cell. At this point, there is no net movement of solute x in either direction. The movement of solute x will continue until equilibrium is achieved because of the concentration gradient.
Diffusion is a passive process and does not require any energy input from the cell. It is driven solely by the concentration gradient.
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Related Questions
think about the materials used to make a car.Some materials are glass,steel,leather, and paint choose any "three" materials for each one describe one property that makes it useful in a car
Answers
Leather: helps with the comfort of the car, may make more people want to buy it. It also makes the inside of the car look more attractive.
Paint: makes the outside of the car look more attractive. Different paints means more options which means more money because people generally want a wide variety of options before buying or purchasing a car.
Steel is used to create the chassis that forms the skeleton of the car and protects it in the event of a crash. The glass is transparent and heat resistant. Paint serves as a protective coating to protect the vehicle from damage.
How are Steel sheets used in cars?Steel can be described as a very hard and strong alloy that has a very high strength-to-weight ratio. All these properties can make it a suitable material for car bodies.
In cars, steel is used to form the underlying chassis or cage beneath the car body that creates the skeleton of the vehicle and protects it in a crash. Door beams, body panels, and roofs are created while auto manufacturing is composed of steel on most cars.
Most of the steel is found in the skeletal car body, generally called the “body in white,” which is the foundation of the rest of the vehicle is created.
The types of steel used such as stainless steel, high-strength steel, high or low carbon, or galvanized steel for body panels. These types of steel can be used in the production of several vehicle and engine components.
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A Los Angeles class nuclear submarine has an internal volume of 1.1x107 liters at a pressure of 1.250 atm. If a crewman were to open one of the hatches to the outside ocean while it was underwater, causing the internal pressure to increase to 5.75 atm, what would be the new volume of the air inside the submarine?
Answers
Answer:
2.39 x 10⁶ Liters
Explanation:
Boyle's Law => P₁V₁ = P₂V₂
P₁ = Initial Pressure = 1.250atm P₂ = final pressure = 5.75atm
V₁ = Initial Volume = 1.1 x 10⁷ L V₂ = ? final volume
V₂ = P₁V₁ / P₂ = (1.25atm x 1.1 x 10⁷L)/(5.75atm) = 2.39 x 10⁶ Liters
Some species of hares are brown most of the year, but change color to white in the winter. This allows them to blend in
through the seasons.
Where are these organisms adapted to live?
O deciduous forests
o desert
tropical rain forests
savanna
Answers
Answer:
Deciduous forests
Explanation:
which of the following could form an ionic compound? check all that apply
Answers
Answer: Na+ And F- & CI- and K+
The Na+ and F- and Cl- and K+ both can form ionic compound.
What is ionic compound ?The ionic compound is the compound formed by the ions which is held together by ionic bond.
What is ionic bond ?The bond formed by the oppositely charged ions through electrostatic force of attraction is called ionic bond.
The complete transfer of valence electron is takes place .
The ions should be oppositely charge .
The electronegativity difference between ions should be high.
So, there are two options in the question is correct.
Na+ and F-
Cl- and K+
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can someone please help me answer this. thank you if you help!
Answers
The element with the given electronic configuration 1s²2s²2p⁶3s²3p⁶4s²3d¹⁰4p⁶5s²4d¹⁰5p¹ is indium.
The Lewis dot structure is shown in the attached image.
What is the electronic configuration of indium?The electronic configuration of indium can be written as 1s²2s²2p⁶3s²3p⁶4s²3d¹⁰4p⁶5s²4d¹⁰5p¹ or [Kr]4d¹⁰5p¹.
The atomic number of Indium is 49.
Chemically speaking, indium has the atomic number 49 and the symbol In. The most malleable metal that isn't an alkali metal is indium. It is a white or silvery metal with a tin-like look.
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what is the general definition of heat capacity? select one: the determination of whether heat is consumed or given off from one gram of a substance the change in heat required to change the temperature of something by one degree celsius the ability of a reaction to consume or give off heat based on the mass of its reactants the energy that exchanges with the surroundings due to a difference in temperature
Answers
Heat capacity can be defined as: "heat required to change the temperature of something by one degree Celsius." Heat capacity is a property of a substance that describes its ability to reserve energy in the state of heat.
How can you determine the heat capacity of any substance?There are several ways to determine the heat capacity of a substance, including Direct Calorimetry, Indirect Calorimetry, Adiabatic Calorimetry, and Thermodynamic Properties.
How can you measure heat capacity using direct calorimetry?This method involves measuring the heat exchange between a substance and its surroundings. A substance sample is placed in a calorimeter, and the heat absorbed or released by the sense is measured as the temperature changes. The heat capacity of the substance can then be calculated from the heat exchange.
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write a brief description explaining the term "luminous" to a classmate
Answers
Answer:
Plz mark as brainlist
luminous is relating to light as it is perceived by the eye, rather than in terms of its actual energy.
A brief description explaining the term "luminous" to generating or reflecting brilliant light, particularly at night: luminous attire. The bright glow of laptops illuminated the library.
What is luminous ?Luminous objects are things like the sun that produce or radiate light on their own. Others include a torch, an electric lamp, etc. Non-bright objects are those that don't emit any light of their own and can only be seen when light from a luminous source reflects off of them. Moon, a chair, a painting, etc. are a few examples.
Luminous objects are defined as those that produce their own light. Just the sun emits its own light; all other things only reflect light that is incident upon them.
The presence of luminous items produces the feeling of light. These things are visible because they independently emit light. As an illustration, consider the Sun, the stars, lightbulbs, torches, tube lights, candles, and so on.
Thus,the term "luminous" to generating or reflecting brilliant light, particularly at night: luminous attire. The bright glow of laptops illuminated the library.
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cual es la longitud de una taza con aceite???? AYUDA ES URGENTE!!!
Answers
Answer:
1 taza = 250 ml eso creo
Explanation: Eso creo jejejejeje.
The heart has four chambers and, within them, blood normally circulates in only one direction: from the right atrium to the right ventricle and from the left atrium to the left ventricle. A certain disease sometimes allows the flow to occur in the opposite direction, that is, it passes from the left ventricle to the left atrium. This disease affects 2% to 3% of the population and rarely produces serious heart problems. Some patients have symptoms such as chest pain, fatigue, palpitation and dizziness. Which heart structure is affected by this disease. How did you reach that conlucsion?
Answers
Answer:
Likely an issue with the mitral valve.
Explanation:
If I read this correctly, you are likely referring to mitral regurgitation, which is a process where your mitral value does not close tightly enough to stop the blood to flow into left atrium.
Normally, when the left ventricle is full, the mitral valve shuts to prevent blood blood from flowing backward into the atrium while the ventricle contracts, and this allows for blood to go to aorta and to body. According to question since the process is reversed, I am gonna go out on a limb and say mitral valve is likely the structure affected by this since and how I came to conclusion is all the explaintion I did earlier.
Why can chlorine break the octet rule?
Answers
Answer:
Chlorine does not follow the octet rule. It will hold more than 8 electrons. Chlorine having valence electrons in the 3rd energy level, will also have access to the 3d sublevel, thus allowing for more than 8 electrons.
Explanation:
Hope this helped you. Please brainliest if any chance! :D
I also answered first. (Please don't copy my answer who will answer the question!)
Rank these solutions from the most alkaline (1) to the least alkaline (5).
Answers
Which of the following describes carbohydrates?
Answers
Answer:
They are converted into glucose, they are a source of energy for the body
Explanation:
that's the answer
Why might increasing the temperature alter the rate of a chemical reaction?
Answers
Answer:
Because after increasing of temperature kinetic energy of molecules increases and reaction speed increases in forward or reverse direction.
Explanation:
Electrolysis is performed upon molten MgCl2. platinum electrodes are used. (a) write the cathode and anode half reactions
Answers
Electrolysis occur when an electric current is passed through a liquid or solution thereby causing the decomposition of chemicals.
For magnesium chloride, it will be heated to be able to conduct electricity. When molten, the MgCl2 will decomposes into Mg2+ and 2Cl- ions. During electrolysis, the elements are separated according to the equations;
\(\begin{gathered} Mg^{2+}+2e^-\rightarrow Mg(s) \\ 2Cl^-\rightarrow Cl_2(g) \end{gathered}\)According to the half reactions, the Mg2+ is reduced at the cathode (-) and the Cl- is oxidized at the anode (+). Reduction at the cathode shows that magnesium gains two electrons to form a magnesium solid while the chlorine ion looses two electrons at the anode
practice identifying polar and nonpolar covalent bonds using the amino acid below
Answers
The following amino acid, Alanine (Ala), has the chemical formula C3H7NO2. In the amine group of alanine, there is a polar covalent link between the nitrogen (N) and the oxygen (O) (NH2).
the carbon (C) and hydrogen (H) atoms in its alkyl side chain form a nonpolar covalent connection (CH3). Typically, polar covalent connections develop between atoms with various electronegativities, leading to an unbalanced distribution of electrons and a dipole moment. When atoms with comparable electronegativities form nonpolar covalent bonds, the electrons are distributed evenly and there is no dipole moment. In this instance, the electronegativity of the nitrogen atom in the amino acid group is higher than that of the oxygen atom, leading to an unequal distribution of electrons and the formation of a polar covalent connection between them. The alkyl side chain, on the other hand, has carbon and hydrogen atoms with equal electronegativities, which leads to an equitable distribution of electrons and a nonpolar covalent link between them.
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Determine the concentration of a solution prepared by diluting 25.0 mL of a stock 0.188 M Sr(NO3)2 solution to 150.0 mL. 1.13 M 0.0313 M 0.0199 M 0 0.0501 M 0.0887 M
Answers
The correct answer is 0.0313 M. The concentration of the solution is determined by using the formula: M1V1 = M2V2, where M1 = concentration of stock solution, V1 = volume of stock solution used, M2 = concentration of diluted solution, and V2 = final volume of diluted solution.
To find the concentration of the solution that was prepared by diluting 25.0 mL of a stock 0.188 M Sr(NO3)2 solution to 150.0 mL, we can substitute the values in the formula: M1V1 = M2V225.0 mL of 0.188 M Sr(NO3)2 solution is used to prepare the diluted solution, so V1 = 25.0 mL. The final volume of diluted solution is 150.0 mL, so V2 = 150.0 mL.
The concentration of the stock solution is given as 0.188 M, so M1 = 0.188 M. We can substitute these values in the formula: M1V1 = M2V20.188 M × 25.0 mL = M2 × 150.0 mL0.0047 L × 0.188 M = M2 × 0.150 LM2 = (0.0047 L × 0.188 M) ÷ 0.150 L= 0.0059 M or 0.0313 M (to 3 significant figures). Therefore, the concentration of the solution prepared by diluting 25.0 mL of a stock 0.188 M Sr(NO3)2 solution to 150.0 mL is 0.0313 M.
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What volume of silver will
have a mass of 2500 g if the
density of silver is 10.5 g/cm3?
Answers
ANSWER
= 238.09cm³
IF THE ANSWER IS RIGHT PLEASE MARK AS BRAINLIEST
What is the name of Pb(NO3)2? Explain how you determined the bond type and the steps you used to determine the naming convention for the compound.
Answers
This chemical is known as lead (II) nitrate. It is an ionic assembly (salt compound) comprised of lead cations in the +2 oxidation state. With regard to the naming convention, each lead (II) cation is paired with two nitrate anions, each having a charge of -1.
What is a naming convention in Chemistry?Chemical nomenclature is a set of principles for naming chemical substances in a systematic manner. The International Union of Pure and Applied Chemistry designed and developed the most widely used nomenclature in the world (IUPAC).
The basic goal of chemical nomenclature is to guarantee that no ambiguity exists between a spoken or written chemical name and the chemical compound to which the name refers. Each chemical name should only relate to one substance.
It is required to indicate the charge of these cations or compounds containing these cations when identifying them. Ionic compounds are formed when cations and anions interact. The cation of an ionic compound is named first, followed by the anion. When writing their chemical formulae, they use the same format.
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the nonoxidative reactions of the pentose phosphate pathway convert pentose phosphates into hexose phosphates. (a) for every 3 glucose phosphates that enter the pentose phosphate pathway, how many fructose-6-phosphates are recovered? (b) for every 3 glucose-6-phosphates that enter the pentose phosphate pathway, how many glyceraldehyde-3-phosphates are recovered?
Answers
Two fructose-6-phosphates are retrieved and one is created directly, however the other two F6P molecules can be used to produce four more through glycolysis.
Fructose-6-phosphate is created from glucose-6-phosphate in what way?In the second phase, phospho-gluco-isomerase (also known as phospho-glucose isomerase) converts glucose-6-phosphate (G6P) into fructose-6-phosphate (F6P). Mg2+ is also required for this reaction. From the following stage, F6P can enter the glycolytic pathway. Low free energy charges are present in this reaction.
How is fructose-6-phosphate produced?When glucose enters a cell, the vast majority of it gets changed into fructose 6-phosphate. After being imported into the cell, fructokinase mostly converts fructose to fructose 1-phosphate. The glycolytic process cannot be directly accessed by fructose-1,6-bisphosphate. It ought to transform into glucose, which produces two ATP molecules.
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What is your hypothesis (or hypotheses) for this experiment? (this is for the thermal energy transfer)
Answers
Answer:
Hypothesis is a statement of expectation or prediction that will be tested by research
how does the name of CaS
differ from the name of CdS?
Answers
The names of the compounds differ by the type of metal present in them, which are Calcium (Ca) and Cadmium (Cd)
From the question,
We are to determine the how the name of CaS differ from the name of CdS
First, we will determine the identities of the elements in the given compounds
For CaSCa represents calcium
and
S represents sulfur
∴ The compound is named Calcium sulfide
For CdSCd represents the element Cadmium
and
S represent the element Sulfur
∴ The compound is named Cadmium sulfide
Hence, the names of the compounds differ by the type of metal present in them, which are Calcium (Ca) and Cadmium (Cd)
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State three uses of oxidation number
Answers
Answer:
Explanation:
1. To identify what's been oxidised and what's been reduced in a redox reaction
2. In naming compounds
3. To work out reacting proportions in titration reactions
1. Which of the following would not be a good way to describe a body system?
A. Body systems are like computer programs that have to communicate with each
other in order to make the computer work.
B. Body systems are like runners in a marathon who each run alone and don't need the
other runners to finish the race.
C. Body systems are like machines with many different moving parts.
D. Body systems are like individual parts of one big story.
Answers
Answer:
the answer would be b
Explanation:
the body sytsem needs to depend on eah other in order to work
Body systems are like runners in a marathon, who each run alone and don't need the other runners to finish the race, is not a good way to describe a body system, hence option B is correct.
How body systems work together?Your digestive tract takes nutrients and water from the food you eat in to your body. The body's cells receive oxygen, water, and nutrients through your circulatory system.
Your skin, excretory system, and respiratory system all function to remove wastes from your cells.
Your body's many systems depend on one another to function properly. While your heart's muscles require oxygen from your lungs to beat, your respiratory system depends on your circulatory system to distribute the oxygen it collects.
Therefore, option B is correct.
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Edgar accurately measures the air pressure at his location with a barometer. What could his measurement be? Express your answer to the nearest whole number.
Answers
Edgar accurately measures the air pressure at his location with a barometer. His measurement could be using inches of mercury (inHg) and millibars (mb) and the nearest whole number is 29.92 inHg
The measurement of air pressure could be expressed in a variety of units, but the most common units used for air pressure are inches of mercury (inHg) and millibars (mb). One possible measurement of air pressure at Edgar's location could be 29.92 inHg, which is the average air pressure at sea level. This measurement could also be expressed as 1013 mb.
To express the measurement to the nearest whole number, we would round the measurement to the nearest whole number. For example, if the measurement was 29.92 inHg, we would round up to 30 inHg. If the measurement was 1013 mb, we would round down to 1013 mb. So, the measurement of air pressure at Edgar's location could be 30 inHg or 1013 mb, expressed to the nearest whole number.
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Which of the folowing chemical weathering process is responside for the breakdown of most slicate minerals? oxidation (redox) add dissolution (adibase reactions) hydration/dehydration hydrolysis
Answers
The following chemical weathering process that is responsible for the breakdown of most silicate minerals is E. hydrolysis.
Hydrolysis is a chemical reaction between water and minerals that form new compounds. In this process, water breaks down the minerals, and the hydrogen ions (H⁺) and hydroxide ions (OH⁻) from the water combine with the mineral ions, forming new minerals.
Hydrolysis is an important process in the breakdown of silicate minerals, which are the most abundant minerals in the Earth's crust. The process is responsible for the formation of clay minerals, which are important components of soils and sediments. In summary, hydrolysis is the most significant chemical weathering process that breaks down most silicate minerals. So the correct answer is E. hydrolysis is responsible for the breakdown of most silicate minerals.
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What amount of heat, in KJ, would be involved in condensing 12. 9 g of ch3OH ?(hvap=38. 0 kj/mol
Answers
The amount of the heat in kJ , would be involved in the condensing 12.9v g of the CH₃OH is the 15.2 kJ.
Given that :
The mass of the CH₃OH = 12.9 g
The ΔH = 38 kJ/mol
The molar mass = 32 g/mol
The number of the moles = mass / molar mass
The number of the mole = 12.9 / 32
= 0.403 mol
The number of the moles is 0.403 mol
The amount of the heat is given as :
Q = n ΔH
Q = 0.403 × 38
Q = 15.2 kJ.
Thus, the amount of the heat is 15.2 kJ.
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_______ collect the light from distant stars and separate that light into bands of different colors. This allows astronomers identify the elements in a star and analyze how they are moving.
A) spectroscopes B) Visible light telescope C) Optical telescope D) space probes
Answers
Answer:
A) Spectroscopes
Explanation:
Spectroscopes collects the light from distant stars and separate that light into bands of different colors; by studying these bands, astronomers identify the elements in a star.
You test your hypothesis by completing a(n) _________.
Answers
You test your hypothesis by completing an experiment.
How we test our hypothesis?We test our hypothesis by performing experiment or research because in an experiment, we test our hypothesis and collect data in order to draw a conclusion from it.
So we can conclude that you test your hypothesis by completing an experiment.
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PLEASSE help its homework
Answers
Answer:
What homework? i dont see a picture, can u tell me the question?
Explanation:
one of the techniques used in this experiment was that of crystallization. when cooling a solution in the process of crystallization, why would an ice bath be preferable over cold water or ice alone? none of the answers shown are correct. ice is too cold and will freeze any solution. cold water would dilute the solution making it impossible for crystals to form. a mixture of ice and water will keep the temperature above freezing and will contact the entire portion of the container immersed in the ice/water mixture.
Answers
When conducting a crystallization process, it is important to cool the solution at a slow and controlled rate to encourage crystal formation.
An ice bath is preferable over cold water or ice alone because it can maintain a consistent low temperature without causing the solution to freeze solid. Ice alone is too cold and can cause the solution to freeze rapidly, preventing the formation of crystals. Cold water, on the other hand, is not able to maintain a consistent low temperature as the heat from the solution will quickly dissipate into the surrounding water, resulting in a slower cooling rate.
An ice bath, which is a mixture of ice and water, provides a more stable and uniform cooling environment for the solution, allowing for the crystals to form at a slower rate. Additionally, an ice bath can contact the entire portion of the container immersed in the mixture, ensuring that the solution is evenly cooled. Overall, an ice bath is the preferred method for cooling a solution during the process of crystallization.
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complete question is:-
one of the techniques used in this experiment was that of crystallization. when cooling a solution in the process of crystallization, why would an ice bath be preferable over cold water or ice alone? none of the answers shown are correct. ice is too cold and will freeze any solution. cold water would dilute the solution making it impossible for crystals to form. a mixture of ice and water will keep the temperature above freezing and will contact the entire portion of the container immersed in the ice/water mixture. EXPLAIN.