We must now strike a balance. This portion is all guesswork, but look at nitrogen on the right; there are two of them, so we put a "2" next to nitrogen monoxide.
We then count to check whether everything is balanced, and we'll notice that there are now two oxygens on the left and only one on the right, so we'll put a "2" next to the water. Count again, and lastly, a "2" next to the hydrogens will give us a balanced equation of:nitrogen monoxide. Now there are rate laws. If your reaction was A+B—>C+D. The rate law is equal to some empirically established constant "k" times the concentration of the reactants increased to some value. power (also empirically determined) (also experimentally determined). So the general form is as follows: Alpha and Beta are just the order of the reactants. Because the question specifies the sequence of each reactant, your rate law should look like this.
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How many chromosomes do you receive from your mother and your father?
Answer: Under normal conditions. Each cell in the human body has 23 pairs of chromosomes (46 in total). Half come from the mother and half from the father.
Explanation: Chromosomes are transferred in pairs.
Under normal conditions. Each cell in the human body has 23 pairs of chromosomes (46 in total). Half come from the mother and half from the father.
Two of these chromosomes (the X and the Y chromosome) determine one’s sex as male or female. They are called sex chromosomes:
• Females have 2 X chromosomes.
• Males have 1 X and 1 Y chromosome.
The mother gives an X chromosome to the child. The father may contribute either X or Y. The chromosome from the father determines if the baby is born male or female.
The remaining chromosomes are called autosomal chromosomes (22 pairs).
1 chromosome from mother+ 1 chromosome from father+ 22 pair autosomal chromosomes= 46
Answer:
We inherit a set of 23 chromosomes from our mothers and another set of 23 from our fathers. One of those pairs are the chromosomes that determine the biological sex of a child – girls have an XX pair and boys have an XY pair, with very rare exceptions in certain disorders.
What is the vapor pressure of a solution made from 23.5 g of glycerin in 130 g of methanol at 50 °c? the vapor pressure of pure methanol at 50 °c is 400 torr. report your answer in torr and round to the first decimal place?
The vapor pressure of the solution can be calculated using the expression of Clausius-Clapeyron equation. Putting the value of 23.5g of glycerin in 130g of methanol in the equation we get the result.
The vapor pressure can be defined as the force that an evaporating substance exerts against the walls of a sealed container.
ln (P1/P2) = (ΔHvap. /R) (1/T2 - 1/T1)
Here where P1 and P2 are the vapor pressures at two temperatures T and T2 . Clausius - Clapeyron equation allows to estimate the vapor pressure at another temperature if the vapor pressure is known at some temperature and if the enthalpy of vaporization is known. The partial vapor pressure of a component in a mixture is equal to the vapor pressure of the component at that temperature multiplied by the component's mole fraction.
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1. Three scientists measure the standard meter bar kept at the International Bureau of Standards. Their measurements are 1.09 m, 1.09 m, and 1.08 m. Are their measurements accurate, precise, or both? Why?
Answer:
both
Explanation:
The three scientists' measurements are both accurate and precise.
Accuracy refers to how close a measurement is to the true value, and precision refers to how close multiple measurements are to each other.
In this case, the measurements are accurate because they are all very close to the true value of the standard meter bar, which is defined as 1 meter.
The measurements are precise because all the measurements are very close to each other. They are all within 0.01 m of each other, indicating that the scientists are able to consistently measure the same length, indicating that they are precise in their measurements.
It's worth noting that, even though the measurements are accurate and precise, it's still possible to have a small measurement error, this is because the true value of the standard meter is not 1.09 m or 1.08 m, but the International System of Units defined it to be exactly 1m, and the difference between the measurements and the true value is very small.
The measurements provided by the three scientists are precise but not accurate.
Explanation:The measurements provided by the three scientists can be analyzed in terms of accuracy and precision. Accuracy refers to how close the measured values are to the true value, while precision refers to how close the measured values are to each other. In this case, the measured values are 1.09 m, 1.09 m, and 1.08 m. These measurements are not accurate because they are not equal to the true value of a standard meter bar, which is 1.00 m. However, they are precise because they are very close to each other.
Although the measurements are not accurate, they are consistent with each other, indicating precision in the measurements. In scientific experiments, it is important to have both accuracy and precision. Accurate measurements ensure that the measurement is close to the true value, while precise measurements establish consistency and reliability in the experiment results.
In conclusion, the measurements provided by the scientists are precise but not accurate.
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what mineral might contribute to hypertension if eaten in excess?
The main minerals that may contribute to hypertension when consumed in excess include sodium, potassium, and calcium.
Eating too much of certain minerals can lead to hypertension, a condition that can cause high blood pressure.
Too much sodium can cause the body to retain water, leading to increased blood pressure.
Potassium can also affect blood pressure, as it influences the amount of sodium in the body.
Calcium is important for regulating the contraction and relaxation of muscles, including those of the heart. When calcium levels become too high or excess, it may lead to hypertension.
Therefore, it is important to keep an eye on your mineral intake to ensure that it remains within healthy limits.
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Look at the graph of the same data. Between which minutes was the speed of the car fastest? What was its speed in meters per minute then? Between which minutes was the speed of the car slowest? What was its speed in meters per minute then?
if u can pls put an explanation bc my teacher is pretty strict about that
The minutes in which the car was fastest were 1 to 4 and the speed was 733 meters per second , and the minutes in which the car was the slowest were 4 to 5 and the speed was 100 meters per second.
How to identify the speed of the car?The speed can be calculated using a simple formula: distance /time. Moreover, in a graph, you can know whether the car is going fast or slow depending on the slope of the line.
When did the car go the fastest?From minute 1 to minute 4 as the distance covered was 2200, then 2200 / 3 = 733 meters per second.
When did the car go the slowest?From minute 4 to minute 5 as the distance was only 100 meters, then 100/1 = 100 meters per second
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What is the goal of captive breeding programs?
A to increase the population size of a species
B to restore the animal kingdom
C to restore germ cells or genes
D to restore the population of a species
Answer:
D. To restore the population of a species
Explanation:
Captive-breeding programs breed endangered species in zoos and other facilities to build a healthy population of the animals. Species-survival plans coordinate with zoos around the world to bring species together for breeding that ensures genetic diversity.
1. Determine the concentration of a solution made by dissolving 1.0 moles of potassium flouride (KF) to make .10 L of total solution.
2. 28g (grams) of NH3 is dissolved in 500 mL of water. What is the concentration (in M) of the resulting solution?
3. Claude wants to make 2L of 0.5 solution of AgCl. How many grams of solution does he need?
1.0 mole of Potassium fluoride is mixed to get 0.10 L of solution is 10 M and 17.85 mole / L is the concentration of resulting solution of NH₃
Evaluating :Molarity = mol solute / L solution
= 1.0 mol/0.10 L
= 10 mol/L
= 10 M.
2 .28g (grams) of NH3 is dissolved in 500 mL of water. result of concentrating solution :
Molarity, M= number of moles/ volume of solution
M= n/ V
Number of moles, n= mass /molar mass
Molar mass of NaOH=500L/mole
Mass=28g
n= 500/28
= 17.85 mole/ L
3. Claude wants to make 2L of 0.5 solution of AgCl , grams needed for solution :
0.5 mole/ 2 liter x 180 grams/mole x 2 liter
= 180 g
How does potassium fluoride work?KF is the chemical formula for the compound potassium fluoride. KF is the most widely used source of fluoride ions in chemical and manufacturing processes, surpassing hydrogen fluoride. Carobbiite, a rare mineral, is where you can naturally find potassium fluoride, an alkali halide. Potassium fluoride is a white, crystalline, salty-tasting powder. It looks like sand. utilized as an insecticide, preserver, and etchant for glass.
KF is the chemical formula for the compound potassium fluoride.KF is the primary source of fluoride ions, following hydrogen fluoride.Potassium fluoride is the most widely used source of fluoride ions in chemical and manufacturing processes after hydrogen fluoride.Learn more about potassium fluoride :
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Rutherford created a planetary model for atoms after his experiments. Imagine if Rutherford’s idea that electrons radiate energy while orbiting around the nucleus was true which other model or scientific idea would have been strengthened by this?
If Rutherford's idea that electrons radiate energy while orbiting around the nucleus was true, it would have strengthened the idea of the Bohr model of the atom, which also proposed that electrons occupy specific energy levels or orbitals around the nucleus.
What is the basis of Rutherford's experiment?This model was developed by Niels Bohr in 1913 and was based on the idea that electrons move in quantized orbits around the nucleus, similar to how planets orbit the sun.
The Bohr model was able to explain the observed spectral lines of hydrogen and was able to predict the energy levels of other atoms. Thus, the Rutherford's planetary model and the Bohr model would have been consistent with each other.
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classify the compounds according to whether they are conjugated or non‑conjugated.
Conjugated dienes are two double bonds separated by a single bond. Nonconjugated Dienes are two double bonds are separated by more than one single bond.
In general , p-orbitals were used to identify conjugation. These p-orbitals are significantly used to make double bonds, so a lone pair is present in p-orbitals if it is conjugate . Hence, To be a conjugated atom it must have three or more p-orbitals in a row.
If we talk about Conjugated system, the covalent chemical compound, a group or chain of atoms that carries valence electrons and they are not engaged in single-bond formation so they modify the behavior's of each other atoms present in the vicinity .
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How do the atomic radius and metallic properties of sodium compare to the atomic radius and metallic properties of phosphorus?
Answer:
The atomic radius of sodium (Na) is larger than the atomic radius of phosphorus (P). This means that the atoms of sodium are larger in size than the atoms of phosphorus.
In terms of metallic properties, sodium is a metal while phosphorus is a nonmetal. Metals typically have a shiny appearance, high thermal and electrical conductivity, and are typically malleable and ductile. Nonmetals are typically dull, poor conductors of heat and electricity, and are typically not malleable or ductile.
Sodium is a highly reactive metal and is usually found in nature as a compound rather than a pure element. It has a low melting point and boiling point, and is a good conductor of heat and electricity. Phosphorus is a nonmetal that can exist in different allotropic forms, white phosphorus is highly reactive, and red phosphorus is less reactive. It has a low melting and boiling point and is a poor conductor of heat and electricity.
In summary, the atomic radius of sodium is larger than that of phosphorus and sodium is a metal while phosphorus is a nonmetal. Sodium has properties of high reactivity, low melting point and boiling point and good conductivity of heat and electricity while Phosphorus has properties of low reactivity, low melting and boiling point and poor conductivity of heat and electricity.
Part B
It's time to get started. Fill the plastic bottle to the brim with water. Then pour
graduated cylinder or other measuring tool to measure the total capacity of th
may need to fill the measuring tool multiple times. To recall how to use a grad
video on measuring volume before continuing.
If you are using household measuring tools, use these conversions to record t
bottle in milliliters (mL). Visit the math review for help with converting units
• 1 cup = 240 mL
1 tablespoon = 15 mL
●
• 1 teaspoon = 5 mL
What is the capacity of the bottle in milliliters?
W
Gradually graduated cylinders are available in a variety of sizes, or volume capacities, and, like a measuring cup, are used to determine volume by pouring liquid to the cylinder and comparing the liquid level to the graduated scale. The volume that was measured is the same as the amount of liquid that was put inside the cylinder.
How to measure the volume of a liquid using graduated cylinder?Similar to weighing, determining the volume of a liquid is a fundamental and common lab procedure.Both a graduated cylinder and a burette are commonly used to measure liquid volume.A graded cylinder is, as its name suggests, a cylindrical glass or plastic tube that is sealed at one end and has a calibrated scale etched (or marked) on its exterior. Gradually graduated cylinders are available in a variety of sizes, or volume capacities, and, like a measuring cup, are used to determine volume by pouring liquid to the cylinder and comparing the liquid level to the graduated scale. The volume that was measured is the same as the amount of liquid that was put inside the cylinder. As a result, the graduated cylinder and similar apparatus (volumetric flasks, Erlenmeyer flasks, and beakers) are categorized as to-contain (TC) apparatus.The Complete Question is graduated cylinders.
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Gradually graduated cylinders are available in a range of diameters, or volume capacities, and, like a measuring cup, are used to calculate volume by pouring liquid into the cylinder and comparing the liquid level to the graduated scale.
How can I use a graduated cylinder to determine a liquid's volume?The measurement of a liquid's volume is a fundamental and frequent lab process, similar to weighing.The volume that was calculated matches the liquid volume that was placed inside the cylinder.Liquid volume is often measured using a graduated cylinder or a burette.Gradually graduated cylinders are available in a range of diameters, or volume capacities, and, like a measuring cup, are used to calculate volume by pouring liquid into the cylinder and comparing the liquid level to the graduated scale.The volume that was calculated matches the liquid volume that was placed inside the cylinder.Thus, the graduated cylinder and related equipment (volumetric flasks, Erlenmeyer flasks, and beakers) are referred to as to-contain (TC) apparatus.The complete question is,
Graduated cylinders represent .
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recycling plant needs to separate two types of
plastic: ABS, d = 1.15 g/mL and PET, d = 1.35 g/mL. Would a solution of NaCI with a density of
1.05 g/mL be able to separate them? A. No, the two plastics will not be separated because both types would sink when added to
the solution of NaCI. B. No, the two plastics will not be separated because both types would float when added to
the solution of NaCI. C. Yes, the two plastics will be separated because ABS would sink and PET would float when
added to the solution of NaCI. D. Yes, the two plastics will be separated because ABS would float and PET would sink when
added to the solution of NaCI.
The recycling plant needs to separate two types of plastic: ABS, d = 1.15 g/mL and PET, d = 1.35 g/mL. No, the two plastics will not be separated because both types would sink when added to the solution of NaCI. Therefore, option A is correct.
What do you mean by density ?The term density is defined as the ration of mass and volume. It is represented by the formula as follows:
Density = Mass / Volume
If an object is denser than NaCl solution, then it will sink when placed in solution, and if it is less dense than NaCl solution, it will float.
The densities of both ABS and PET are more than the density of NaCl solution, Therefore both will sink in the NaCl solution.
Thus, option A is correct.
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There is 368g of Rb2S, how many moles are there?
To find the number of moles of a substance, you need to divide the mass of the substance by its molar mass.
The molar mass of Rb2S is (2x85.468 + 32.06) g/mol = 212.996 g/mol
So, to find the number of moles of Rb2S in 368g, you would divide 368g by 212.996 g/mol :
moles = 368 g / 212.996 g/mol = 1.73 moles
There are 1.73 moles of Rb2S in 368g.
Determine the number of moles P4(s) in a 2.0 gram sample.
Answer:
0.016 moles
Explanation: Because you are doing P4, you take the molar mass/atomic mass of phosphorous which is 30,97(rounded up) and multiply it by 4 since that's the subscript. Then you take 2.0 grams and divide it by the molar mass, which is 123.88, and that gives you 0.016 moles (rounded up)
what happens to the co2 that is produced in the reaction?
Carbon dioxide reacts with water in a reversible reaction to form carbonic acid (H2CO3).
What is meant by Carbon dioxide ?
Carbon dioxide is used as a refrigerant, in fire extinguishers, to blow coal, foam rubber and plastics, inflate life rafts and life jackets, blast coal, promote plant growth in greenhouses, immobilize animals before slaughter, and in carbonated drinks.When animals breathe or decay (decompose), carbonate rocks are worn, forest fires happen, and volcanoes erupt, carbon dioxide is naturally released into the atmosphere.Human activities such as the combustion of fossil fuels, the destruction of forests, and the manufacture of cement all contribute to the atmospheric addition of carbon dioxide.Two oxygen atoms and one carbon atom make up the chemical structure of the gas known as carbon dioxide (CO2).Its capacity to absorb infrared waves makes it a significant greenhouse gas.To learn more Carbon dioxide about refer to
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How many phases does the moon have?
- I know the answer but yea
Explain how two species can directly compete for the same resource when they are in contact with one another . Describe one example to show direct competition.
Two species can directly compete for the same resource when they are in contact with one another such as for food, space, mates, or water.
One example of direct competition is two lions competing for a mate.
What is competition among organisms?Competition can be described as the direct or indirect contact of organisms that results in a change in fitness when the organisms share a resource.
Competition is most commonly thought of as the interaction of individuals that compete for a common resource that is in limited supply.
Individuals who directly compete with one another for the same resource are said to be in direct competition.
Some examples of competition are:
Plants compete with one another for growing space, soil nutrients, pollinators, temperature, humidity, and light exposure. Competition among microbes for chemical substrates.Learn more about direct competition at: https://brainly.com/question/17143746
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what type of chemical bond forms between two atoms bearing opposite charges?
The type of bond formed between two atoms having opposite charges is an ionic bond.
There are mainly two types of bonds formed between two atoms depending upon the way in which the combining atoms attain an octet structure in their valence shell.
First is, Ionic bonds. These are formed by the transfer of one or more valence shell electrons from a metal atom to the valence shell of a non-metal atom both containing opposite charges. Ionic compounds exist as ions also.
Next is Covalent bonds. These bonds are formed by the mutual sharing of electrons between the two combining atoms and they contribute an equal number of electrons for sharing. Covalent compounds only exist as molecules.
Other than these there are other types of bonding as well.
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A drop taken from the top of a mixture of alt and water will jot be identical to a drop taken from the bottom of the mixture
A drop taken from the top of a solution of salt and water will not be identical to a drop taken from the bottom of the mixture because the salt and water molecules will be distributed differently throughout the mixture.
What is a solution?
A solution is a homogeneous mixture of two or more substances. In a solution, the solute, which is the substance that is dissolved, is evenly dispersed throughout the solvent, which is the substance that the solute is dissolved in.
Salt is denser than water, so it will tend to settle to the bottom of the mixture over time. This means that a drop taken from the top of the mixture will have a lower concentration of salt than a drop taken from the bottom.
Additionally, due to the process of diffusion, the salt molecules will tend to move from areas of higher concentration to areas of lower concentration, so the concentration of salt will be different at different points throughout the mixture. Therefore, a drop taken from the top will have less salt concentration than a drop taken from the bottom.
Therefore, as the salt and water molecules are distributed differently throughout the mixture a drop from the solution will be identical to that of the bottom of the jar.
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which nonmetal is the only one that is liquid at room temperature ?
O mercury
O oxygen
O bromine
O helium
Bromine is the only non metal that exists in liquid state at the room temperature.
Bromine belongs to the member of halogen group. Heavy, volatile, mobile etc are some of the characteristics of it. Bromine is quite dangerous.
It has red brown color at room temperature. It is very reactive as it evaporates quickly to form a similar colored gas.
Bromine molecules depicts strong inter-molecular force so that's why it doesn't evaporates at room temperature. It also shapes up diatomic molecules and Van Der Walls interactions are highly strong.
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Answer:
helium
Explanation:
How many chlorine atoms does 7.30 g sample of iron (II) chloride contain? MM FeCl2= 126.8 g/mol
To determine how many chlorine atoms are present in a 7.30 g sample of iron(II) chloride (FeCl2), you can use the molar mass of FeCl2 and the given mass of the sample.
First, you need to convert the mass of the sample from grams to moles using the molar mass of FeCl2:
mass (g) / molar mass (g/mol) = moles
7.30 g / 126.8 g/mol = 0.0578 moles
Iron(II) chloride is composed of one atom of Iron and two atoms of chlorine, so for every 1 mole of FeCl2, there are 2 moles of chlorine atoms.
To find the number of chlorine atoms in the sample, we need to multiply the number of moles of FeCl2 by the number of chlorine atoms per mole:
moles of FeCl2 x (number of chlorine atoms / 1 mole of FeCl2) = moles of chlorine atoms
0.0578 moles x 2 = 0.1156 moles
To convert moles of chlorine atoms to the number of atoms, we need to multiply by Avogadro's number which is 6.022 x 10^23 atoms/mol
0.1156 moles x 6.022 x 10^23 atoms/mol = 6.93 x 10^22 atoms of chlorine.
So 7.30 g sample of iron (II) chloride contains 6.93 x 10^22 atoms of chlorine.
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How many molecules are in 3 moles of H2O?.
There are 18.066 x 10^23 molecules of H2O.
1 mole of a substance is defined as the amount of that substance that contains Avogadro's number of entities, which is 6.022 x 10^23. This number is also known as Avogadro's constant.
It is important to note that Avogadro's constant is specific to the number of entities (atoms, molecules, ions, etc.) and not the mass or volume of a substance.
In the case of H2O (water), each molecule of water is made up of 2 hydrogen atoms and 1 oxygen atom. Therefore, 1 mole of H2O contains 6.022 x 10^23 molecules of H2O, each containing 2 hydrogen atoms and 1 oxygen atom.
So, when we have 3 moles of H2O, we have 3 x 6.022 x 10^23 = 18.066 x 10^23 entities of H2O. As each molecule of H2O contains 2 hydrogen atoms and 1 oxygen atom, this means that we have 18.066 x 10^23 molecules of H2O.
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Particle derives its name from the fact that it has no electrical charge; it is neutral and found in the nucleus of an atom called
The word particle comes from the fact that a neutron, which is what is found in the nucleus of an atom, has no electrical charge and is therefore electrically neutral.
Describe neutrons.
The term "particle" refers to a neutron, which makes up the atom's nucleus and is electrically neutral because it has no electrical charge.Neutrons are one of the three main subatomic particles found in atoms, which have a negative charge, along with protons and electrons.They prevent the protons in the atom's nucleus from repelling one another, which would otherwise happen, due to their positive charge.Additionally, neutrons play a role in defining an atom's structure and some types of radioactive decay.To learn more about neutrons refer to:
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If you have a ound wave moving at 340 m/ and a frequency of 100 what i the wavelength
If you have sound wave moving at 340 m/s and a frequency of 100 Hz , the wavelength is 3.4 m.
Given that :
The velocity of the sound wave = 340 m/s
The frequency = 100 Hz
The wavelength expression is given as :
Wavelength = velocity / frequency
where,
velocity = 340 m/s
frequency = 100 Hz
Wavelength = 340 / 100
Wavelength = 3.4 m
Thus, the wavelength is 3.4 m if the sound wave velocity is 340 m/s and the velocity is 100 Hz. The wavelength is the distance between crests in the adjacent cycles of the waveform.
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construct an explanation for how genetic code is related to the traits of an organism, how these changes occur, and what effects these changes can have on an organism.
Answer:
Genetic code consists of a sequence of nucleotides which are the building blocks of DNA. Each nucleotide contains a four-letter code, which is used to construct proteins in the organism. These proteins are responsible for the physical and behavioral traits of the organism. Changes in the genetic code can occur through mutation, which is when a mistake is made in the nucleotide sequence during DNA replication. This can lead to changes in the proteins and the traits of the organism. Some of these changes can be beneficial, while others can be harmful. Ultimately, the effects of these genetic changes depend on the environment in which the organism lives and the type of change that has occurred.
rank the species (carbonate chloride iodate and sulfate) from most to least soluble
The order of solubility from most to least can be given as carbonate>sulfate>iodate>chloride. Carbonates are the most soluble.
What is solubility?The maximum amount of a material that may dissolve in another is known as its solubility. A saturated solution is created when a solvent can dissolve its maximum quantity of solute before reaching equilibrium. A supersaturated solution results when extra solutes are dissolved past its equilibrium solubility point under specific circumstances.
Dissolution is the action of disintegrating. In contrast to the speed of solution, which specifies how rapidly a molecule dissolves in a solvent, solubility is not a feature of matter. The order of solubility from most to least can be given as carbonate>sulfate>iodate>chloride.
Therefore, the order of solubility from most to least can be given as carbonate>sulfate>iodate>chloride.
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describe the temperature, moisture and air pressure associated with a continental polar air mass.
The variance in the US continental region is brought on by the shift in daytime and nighttime weather patterns.
Continental polar air mass -Cold, dry, and stable air masses are found in the continental polar (cP) or continental arctic (cA) regions. Radiative cooling causes these air masses to form over northern Canada and Alaska. They travel south, then east via the Plains and the Rockies.
During the winter, a continental polar air mass can develop over the land. It comes from northern Canada or Alaska in the Northern Hemisphere. It transports dry weather to the United States as it goes south. Low humidity and temperature are both present.
These factors contributed to the polar air mass:
Breezeextreme humiditythe evening's low temperatureDuring the colder months of the year, continental polar air typically forms over vast land masses.
A cool breeze blows across the upper section of the area, while a warm breeze blows through the lower part.
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What name is given to substances (both soluble and insoluble) such as metal hydroxides and metal oxides that can neutralise acids?
The name given to the substance such as metal hydroxides and metal oxides that can nuetralise acids is Base or Alkali.
A base is a proton-accepting molecule or ion, according to chemists. That makes OH- a base. They continue to refer to bases dissolved in water as "alkali." Sodium hydroxide, for example, dissolves in water and separates into Na+ and OH-ions. The result is an alkali, and it is a source of the base OH-.
Some properties of bases are given below:
Bases taste bitter Bases release a hydroxide ion in a water solution.Bases neutralise acids in a neutralisation reaction Bases denature protein Bases turn red litmus to blueLearn more about bases here:
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How far i a houe in New York if it take you 5 hour to get there and your average peed i 20 km per half hour?
Using Speed, distance and time relation, the distance is 400 kilometers.
Distance is the sum of an object's movements, regardless of direction. Distance can be defined as the amount of space an object has covered, regardless of its starting or ending position.
The International System of Units defines a metre as the distance unit. It's interesting to note that many other derived units or quantities, such as volume, area, acceleration, and speed, may be constructed using this as the basic unit and a few formulae.
20 kilometers per hour is the speed per half-hour.
⇒ Speed in kilometers per hour: 40 × 2 = 80
Distance x time = speed
Distance = Time × Speed
= 80 × 5
= 400 miles
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which of the given purposes is the tlc method most often used for?
TLC method is mostly often used for the qualitative as well as quantitative sample analysis.
TLC (Thin layer chromatography) is an affinity based method which is used to separate the compounds present in a mixture. TLC is a highly versatile separation method which is widely used for both qualitative as well as quantitative sample analysis. It can be used to analyze the virtually any substance class, including steroids, alkaloids, lipids, nucleotides, glycosides, carbohydrates, as well as fatty acids.
Thin Layer Chromatography is that technique which will be used to isolate the non-volatile mixtures. The experiment is conducted on a sheet of the aluminum foil, glass or plastic which is coated with a thin layer of adsorbent material. The material which is usually used i.e aluminum oxide, silica gel or cellulose. After completion of the separation, each component will appears as spots and separated vertically.
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