The amount of water removed from every kilogram of commercial sea salt would be 27.57 kg.
Dimensional analysisSeawater contains 3.5% sodium chloride by mass. This means every 1 kg of seawater contains 0.035 kg of sodium chloride.
Sea salt contains about 10% water. This means every 1 kg of sea salt contains 0.1 kg of water.
In order to calculate the amount of water removed from every kilogram of commercial sea salt produced, we need to know the amount of seawater that will give 1 kilogram of sea salt.
We said every 1 kg of seawater contains 0.035 kg of salt. How many 0.035 kg can be found in 1kg?
1/0.035 = 28.57
This means 28.57 kg of seawater would need to be processed in order to have 1 kg of salt. Thus, the amount of water removed can be calculated as:
28.57 - 1 = 27.57 kg
In other words, about 27.57 kg of water is removed for every kilogram of commercial salt produced.
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Use the drop-down menus to identify the definition of radiation and the different types of radioactive emissions. Is the process of emitting radiant energy in the form of waves or particles. Is two protons and two neutrons bound together into a particle identical to a helium nucleus. Is a negatively charged electron emitted by the nucleus. Is the radioactive decay of an atom that releases a photon, which results from a redistribution of electric charge within a nucleus.
The radiation generates radiant energy as waves or particles in the process of doing so.
A beta particle is a particle made up of two protons and two neutrons that is similar to the helium nucleus.
an alpha particle is an electron that the nucleus releases that are negatively charged.
the gamma-ray is the process of an atom's radioactive decay that results in the release of a photon and is caused by the redistribution of electric charge within a nucleus.
Give a brief idea about the Helium element.The chemical element helium has the atomic number 2 and the symbol He. It is the first member of the noble gas group in the periodic table and is a colorless, odorless, tasteless, non-toxic, inert, monatomic gas. Of all the elements, it has the lowest melting and boiling points. In the observable universe, it is the second-lightest and second-most abundant element (hydrogen is the lightest and most abundant). More than 12 times the mass of all the heavier elements put together, it makes up around 24% of the total mass of the elements.
Due to the highest high nuclear binding energy (per nucleon) of helium-4 compared to the following three elements after helium, its abundance is comparable to this in both the Sun and Jupiter. The fact that helium-4 is a byproduct of both nuclear fusion and radioactive decay is further explained by its high binding energy. The majority of the helium in the cosmos is helium-4, and most of it was created during the Big Bang. Nuclear fusion of hydrogen in stars results in significant amounts of fresh helium being produced.
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The correct question is:-
Use the drop-down menus to identify the definition of radiation and the different types of radioactive emissions.
______is the process of emitting radiant energy in the form of waves or particles.
______is two protons and two neutrons bound together into a particle identical to a helium nucleus. is a negatively charged electron emitted by the nucleus.
______is the radioactive decay of an atom that releases a photon, which results from a redistribution of electric charge within a nucleus.
What organelle that folds modifies and transports the protein?.
The organelles that fold, modify, and transport proteins are the golgi bodies that are present in the eukaryotic cell. The initial process takes place in the rough endoplasmic reticulum (RER), but later the whole process is carried out by golgi bodies.
What is protein folding?
The eukaryotic cell has different organelles such as nuclei, golgi bodies, mitochondria, etc., and all of them carry out specific functions of the cell. The ribosome on the endoplasmic reticulum performs protein synthesis via a process known as translation. The polypeptide chain enters the RER lumen and folds; it is then sent to the golgi for additional modifications, such as lipid addition for some proteins and carbohydrate moiety for others, in order for them to function properly.
Hence, the cell organelle that fold, modify, and transport protein are the golgi bodies
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What 3 factors determine the reactivity of elements?.
Nuclear charge, atomic radius, shielding effect are three factors determine the reactivity of elements.
What called elements?An element is a compound that cannot be changed into another substance. The roughly 100 elements each have a different type of atom. Every object in the universe has atoms out of at least one element and maybe more. The periodic table contains a list of every known element, with similar elements being grouped together.
Who invented the element?Russian chemist Dmitri Mendeleev created the framework for the modern periodic table in 1869, leaving blank spots for elements that were yet to be identified. He organised the elements into groups based on its atomic weight, rearranging them if he found that they simply does not fit.
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the following reaction establishes equilibrium at 2000 k: if the reaction began with 0.180 of and 0.180 of , what were the equilibrium concentrations of all species? concentration of
The equilibrium concentrations of all species 0.00762M.
Solution:
N₂+ o2 ⇄ 2N0
0.38 -x 0.38 I C
+2x
E (0.38-x) (0.38-x) 2x [No]2 [N2][02]
401X10-4 = (2x) 2 (0.38-2)2 solving, x = 0.0038/ on at equilibrium.
[N₂]=[%₂] = 0.38-2 =0.376M
[No] = 2x = 0.00762M.
Write the equilibrium constant equation for the reaction. Substitute the known K value and the final concentration to solve for x. Calculate the final concentration of each substance in the reaction mixture. Check your answer by plugging these values into the equilibrium constant equation and bringing K to a chemical equilibrium state.
In this state, the forward reaction rate is equal to the reverse reaction rate. The equilibrium constant equation is a mathematical relationship that describes how the concentrations of products vary with the concentrations of reactants.
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suppose you have an avogadro's number of potassium atoms. how many grams does this represent? report your answer to two decimal places.
The potassium atom represents 39.1 g grams.
Give a brief idea about Potassium.The chemical element potassium has the atomic number 19 and the letter K (which stands for kalium in Neo-Latin). Potassium is a silvery-white metal that may be easily and gently sliced with a knife. Within seconds of exposure, potassium metal quickly combines with air oxygen to produce flaky, white potassium peroxide. It was initially separated from potash, which is made up of plant ashes and from which it gets its name. Potassium is an alkali metal in the periodic table. All alkali metals have a single valence electron in the outer electron shell, which can be removed easily to produce a positive-charged ion called a cation, which interacts with anions to form salts. Only ionic salts include potassium in nature. Potassium interacts vehemently with water, producing enough heat to ignite the hydrogen released during the reaction and producing a flame that is purple in color. It is found in numerous minerals, including orthoclase, a common component of granites and other igneous rocks, and is dissolved in seawater, which contains 0.04% potassium by weight.
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HELP!!! WILL MARK BRAINLIEST!!!
Identify on the slide at least 2 reactions create a red or yellow product. (Write the reaction this way: Na2SO4 + AgNO3 using the compound on the left of the chart + the compound on the top of the chart).
Which ion do all of the red and yellow reactions have in common? Drag that ion from the list onto the board.
1. List at least two chemical reactions that resulted in a yellow, orange, or red precipitate.
2. The ion that all of the red and yellow reactions have in common is (drag from the list):
Answer:
Explanation:Silver nitrate, AgNO3 , will react with sodium sulfate, Na2SO4 , to produce silver sulfate, Ag2SO4 , an ionic compound that is considered insoluble in aqueous solution, and aqueous sodium nitrate.
suppose that a metal oxide of formula were soluble in water. what would be the major product or products of dissolving the substance in water
Metal hydroxide, in this example M(OH)3, is created when a soluble metal oxide reacts with water (aq).
How does metal hydroxide form?While some metals do not react with water and instead generate metal hydroxide, others do. Different metals have different water reactivity. Highly reactive metals include sodium and potassium. Alkalis like sodium hydroxide and potassium hydroxide are created when they interact with water.
According to these findings, metal hydroxide sludge can be recycled and used to treat textile effluent in dye removal procedures.
Metals and oxygen react to generate substances called meta oxides. The ionic components of these compounds will separate if they are put in water.
Metal oxides in water will most likely dissociate,
2M³⁺ + 3O²⁻
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Palmitoyl-coa is a saturated, 16-carbon long fatty acid. How many acetyl-coa, nadh and fadh2 will be formed from the full oxidation of this molecule?.
Thus, a total of 8 acetyl-CoA, 7 NADH, and 7 FADH2 molecules are produced.
The beta oxidation of a 16 carbon fatty acid produces how many molecules of NADH?
The fatty acid with the most common structure, palmitic acid, has sixteen carbon atoms but no carbon-carbon double bonds. A total of seven cycles of beta oxidation are required to fully degrade the fatty acid. Thus, a total of 8 acetyl-CoA, 7 NADH, and 7 FADH2 molecules are produced.
A 30 C saturated fatty acid will provide how many acetyl-CoA molecules?
A fatty acid with 30 carbons makes up the molecule. It will result in 15 Acetyl CoA molecules because it is a 30-carbon fatty acid.
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if the pka of hcho2 is 3.74 and the ph of an hcho2/nacho2 solution is 3.11, which of the following is true?
More than the pKa, the pH exists. The information is provided as HCHO2 pKa = 3.74 and pH = 3.89 (HCHO2/NaCHO2). The strength of the acid increases with decreasing pKa value.
How does pKa work?The pKa value describes the acidity of a molecule. The strength of an acid is determined by the proton's grip on a Bronsted acid. With falling pKa values, the acid becomes more potent and has a greater ability to donate protons.
Is pKa the same as pH?The pH scale is expressed as the product of the pKa value and the log of the conjugate base concentration divided by the weak acid concentration.
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Calculate the mass of:
0.01 moles of aluminium atoms
Answer: m=0.2699g
Explanation:
n=m/M (n=moles, m=mass, M=molar mass)
nxM=m
0.01x26.99=m (26.99=molar mass of aluminium (seen on periodic table))
m=0.2699g
Give 3 descriptions of the graph of accelerated motion
For the graph of accelerated motion;
a) The graph begins at origin
c) The slope is positive
d) The line of best fit moves upwards.
What is motion?We define motion as the change in the position of an object with time. Now we know that an object has moved if in a given time interval we can see that the position of the object changed. That is, the object is no longer where it was.
As the object is moving it has to move with a given velocity because velocity is defined as the change in the displacement of an object with time. As the velocity of the object is changing we say that the body is accelerating.
The acceleration is the rate of change of the velocity with time and if the velocity changes by equal amounts in equal time intervals, we say that this is a uniform acceleration.
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Why is electron filling similar to going up the stairs?.
If we look into the Bohr's atomic model, it is like a staircase.
Where every next orbit is like a stair.
As we can not rest in air, we either have to stay on level 1 or can go up with enough energy to climb next level.
Same way, electron can either stay on one orbit or can go to higher orbits with enough energy to jump from lower energy level to the higher energy level, can say orbit.
According to Bohr, atom is a system consisting of a dense nucleus surrounded by orbiting electrons.
He compared his atomic structure with the structure of the Solar System.
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Ethene + Cl₂ gives out ___ ?
Ethene + Cl₂ gives out 1,2 dichloroethane (C2H4Cl2).
When ethene gas reacts with water it hydrates to form ethyl alcohol. When this ethyl alcohol reacts with sulfuric acid it is dehydrated to ethene again. Halogenation reactions of alkenes specifically bromination or chlorination, are reactions in which a dihalide such as Cl 2 or Br 2 is added to the molecule after the carbon-carbon double bond is broken.
Halides attach to adjacent carbons from opposite sides of the molecule. A reaction in which a molecule of a reagent adds across a double or triple bond of an unsaturated compound is called an addition reaction. The presence of double bonds makes the molecule reactive. Since ethene contains a double bond it undergoes additional reactions.
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what term describes a catalytic converter as it reaches its effective temperature? group of answer choices light off trigger combustion absorption
Light off describes a catalytic converter as it reaches its effective temperature.
The lowest temperature required to start a catalytic reaction is known as the catalyst light-off. The aforementioned definition is not very precise because of the reaction rate's steady growth. The temperature at which conversion reaches 50% is referred to as the light-off temperature.
Between 400 and 600F is the usual light-off temperature at which a catalytic converter begins to function. The usual operating temperature is from 1,200 to 1,600 degrees Fahrenheit. On the other hand, as the amount of toxic gas in the exhaust pipe rises, so does the operating temperature. The converter doesn't have to exert a lot of effort to complete its tasks.
With unleaded gas, catalytic converters operate as intended because lead in regular gas is poisonous to the catalyst and prevents it from capturing pollutants in vent fumes.
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How does the sodium potassium pump make the interior of the cell negatively charged.
in the record of atmospheric co2 concentration at the mauna loa observatory there is a trend and an annual cycle. what is the annual cycle related to?
The annual cycle is related to the atmospheric CO₂ concentration.
CO₂ is measured as parts per million (ppm), which is numerically equivalent to micromoles of CO₂ per mole of air. The SI unit for CO2 concentration is µmol per mol. CO₂ typically decreases during sunny, warm days because of photosynthesis removes CO₂ from the air. This generally occurs in summer days.
In the record of atmospheric CO₂ concentration at the Mauna loa observatory there is a trend and an annual cycle. The trend of the Mauna loa observatory with atmospheric CO₂ concentration is in the upward trend.
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Draw the organic product of the nucleophilic substitution reaction. Assume that only substitution occurs, and that it occurs only once.
let us give the reaction of nucleophilic substitution reactions,
[tex]CH3-X + Nu ^{-} --- > CH3-Nu + X^{-}[/tex]
What do you understand by nucleophilic substitution reactions?A family of chemical reactions known as nucleophilic substitution reactions occurs when one nucleophile substitutes another. It is pretty reminiscent of the common displacement reactions we observe in chemistry, where a more reactive element replaces a less reactive part from its salt solution. The "leaving group" is the group that accepts an electron pair and displaces the carbon, while the "substrate" is the molecule on which substitution occurs. An anion or neutral molecule is how the departing group exits.
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8. There are 75 Btu. If you need to convert the Btu to Joules, what number would you use to multiple the Btu by?
A.1.055
B.100,055
C.10,055
D.1,055
what occurs when a mixture of unburned fuel gases and oxygen come in contact with an ignition source?
when a mixture of unburned fuel gases and oxygen come in contact with an ignition source , smoke or fire gas explosion occurs when unburned pyrolysis products and flammable products of combustion accumulate and mix with air, forming a flammable mixture and introduction of a source of ignition results in a violent explosion of the pre-mixed fuel gases and air.
What are fuels ?
Fuels are dense stores of energy that are consumed to provide energy services such as heating, transportation, and power generation. Although most fuels ultimately derive their energy from the sun (see 'Energy Conservation'), it is usually considered the primary energy source. When people talk about saving energy, it usually means using less fuel (see Saving Fuel).
Nearly all primary energy for humans, about 95%, comes from primary fuels (as opposed to primary energy streams). These fuels enter power plants (, engines, heaters, and everything else that humans get work and heat from). This percentage is slightly different for power generation. 85% of the primary energy used to generate electricity comes from combustibles (as opposed to primary energy streams).
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¿Cual es la variable independiente en el gráfico? Temperature (°C) Temperature v. Elevation 21 20 19 18 17 16 15 0 0 100 300 500 700 Elevation (m)
Answer:
I don't know
Explanation:
Its question that answer
gaseous ethane will react with gaseous oxygen to produce gaseous carbon dioxide and gaseous water . suppose 8.12 g of ethane is mixed with 13. g of oxygen. calculate the maximum mass of carbon dioxide that could be produced by the chemical reaction. be sure your answer has the correct number of significant digits.
Ethane is the limiting reactant, so no mass of ethane will be left over by the chemical reaction. All the mass will react, the 8.1 grams of ethane.
How much grams of ethane will react, explain.
First of all, we need to determine the reaction and the limiting reactant to work with the stoichiometry.
The equation is: 2C₂H₆ + 7O₂ → 4CO₂ + 6H₂O
We define the moles of the reactants:
8.12 g / 30 g/mol = 0.270 moles of ethane
13g / 32 g/mol = 0.406 moles of oxygen
To determine the limiting reactant, we start with oxygen:
7 moles of O₂ can react with 2 moles of ethane
Then, 0.406 moles of O₂ will react with (0.406 . 2) / 7= 0.116 moles of ethane.
We do not have enough ethane, just only 0.07 moles to react.
Ethane is the limiting reactant, so no mass of ethane will be left over by the chemical reaction. All the mass will react, the 8.12grams of ethane.
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why was the ether layer poured out of the top of the funnel as opposed to being drawn off through the stopcock?
Ether layer poured out of the top of the funnel as opposed to being drawn off through the stopcock because when the stopcock is closed, a tiny amount of the solution that was flowing through it is trapped and if the upper layer goes through the stopcock, that small amount of the bottom layer will be present as an impurity.
What do you mean by ether?
Ethers are a type of chemical molecule that contains an ether group—an oxygen atom linked to two alkyl or aryl groups. Ethers are further categorised into two types: simple or symmetrical ethers, which have the same alkyl or aryl groups on both sides of the oxygen atom, and mixed or unsymmetrical ethers, which have different alkyl or aryl groups on both sides of the oxygen atom.
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Which term describes the amount of solute that will dissolve in a specific solvent
under given conditions?
solution
Molarity
mass percent
solubility
which of the following is not being considered as an energy source for the future? a. methanol b. shale oil c. carbon dioxide d. ethanol e. seed oil
shale oil is used as an energy source and is considered to be the future energy source
what is shale oil?
Oil shale is a sedimentary rock. As it reaches its oil window, oil shale releases a liquid known as shale oil. Oil shale is the rock from which shale oil is extracted. Shale oil is similar to petroleum, and can be refined into many different substances, including diesel fuel, gasoline, and liquid petroleum gas (LPG).The difference between shale oil and crude oil comes down to how it is extracted. Because shale oil is bound up tightly in impermeable rock, it is considered tight oil and requires hydraulic fracturing to be extracted. Crude oil can be drilled out conventionally.Shale oil is a substitute for conventional crude oil; however, extracting shale oil is costlier than the production of conventional crude oil both financially and in terms of its environmental impact.Russia has the biggest shale oil reserves in the world. But in terms of shale gas reserves, America is not the biggest shale oil reserve holder. The biggest shale gas reserve holder, on the other hand, is China.Although the quality of raw shale oil is low, the enormous amount of oil shale available in the world positions shale oil as a significant resource for future production of fuels and chemicals. This chapter deals with the production and upgrading of shale oils produced from retorting technologies.to know more about shale oil follow
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COOKING CLASS!
Copy and paste three recipes you would use for the Thanksgiving Holidays. Double and a half each recipe creating a new recipe, thereby changing the yield for each recipe. You will end up with nine recipes, giving you three of each recipe with different quantities and different yields.
A recipe's total yield is determined by multiplying the number of servings by the size of each serving. Multiply the new number of servings by the new size of each serving to determine the desired yield for the recipe.
Divide the desired yield by the original yield to obtain the conversion factor and multiply each component by the conversion factor. A standardized recipe is one that has been tried, tested, evaluated, and adjusted for use in school lunches. Consistent quality and yields are obtained every time the correct processes, equipment, and raw materials are used.
Recipes may be copyrighted if they involve substantial literary expression. This phrase may be a description or detailed instructions. This is why food and recipe bloggers often share stories and personal anecdotes alongside their recipe ingredients. Food is one of the most difficult things to trademark or copyright. Trademarks can be protected or copyrighted, but their content cannot be protected.
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Does it matter where you put the dots on a lewis symbol?
Answer:
it does not matter
Explanation:
g
Answer:
It doesn't matter
Explanation:
In almost all cases, chemical bonds are formed by interactions of valence electrons in atoms. To facilitate our understanding of how valence electrons interact, a simple way of representing those valence electrons would be useful. Again, it does not matter on which sides of the symbol the electron dots are positioned.
benzene is only sparingly soluble in water, determine the intermolecular forces of attraction between water nad benzene
The benzene is only sparingly soluble in water, the intermolecular forces of attraction between water and benzene is London dispersion force and the dipole induced dipole forces.
The benzene is a non polar compound and the water is a polar compound. so the like dissolve like. polar dissolves polar and the non polar dissolves nonpolar. the intermolecular force of attraction between the benzene and the water is the London dispersion forces and the dipole induce dipole force.
Thus, The benzene is only sparingly soluble in water, the intermolecular forces of attraction between water and benzene is London dispersion force and the dipole induced dipole forces.
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Gallium bromide + fluoride
Gallium bromide + Difluorine gives Gallium Trifluoride + Dibromine. This reaction is called as single displacement reaction.
Gallium bromide + Difluorine gives Gallium Trifluoride + Dibromine. The balanced chemical equation for the follwing reaction is as follow :
2GaBr₃ + 3F₂ -----> 2GaF₃ + 3Br₂
gallium bromide Fluorine gallium trifluoride dibromine
when the highly reaction element displace the low reactive element then the reaction is called as balanced chemical reaction. Here fluorine displace the bromine called as the single displacement reaction.
Thus , Gallium bromide + Difluorine gives Gallium Trifluoride + Dibromine. This reaction is called as the single displacement reaction.
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How does electron pair repulsion determine the molecular shape/molecule geometry?.
The number of valence electron pairs in the outermost shell, as determined by the valence shell electron repulsion theory (VSEPR), would determine the molecular shape.
The molecular shape process, which can be used to determine a molecule's shape, examines the repulsion between bond electron pairs in the outermost electron shell. Studying molecular shape or geometry is important because it has an impact on the majority of its physical and chemical properties.
Repulsion between electron pairs that surround the central atom under consideration must be as weak as possible for VSEPR to work. The VSEPR theory is based on the idea that the geometry (shape) of a molecule is primarily determined by the repulsion between the pairs of electrons surrounding a central atom.
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class iii carbonyl chemistry can be performed upon both class i and class ii carbonyl systems as long as an alpha-carbon (with alpha-hydrogens) are present.
The first carbon atom linked to a functional group, such as a carbonyl, is the alpha carbon.
What is alpha hydrogen in a carbonyl compound?The first carbon atom linked to a functional group, such as a carbonyl, is the alpha carbon. Through a resonance stabilization process, the carbonyl group mildly acidifies the alpha hydrogen (the hydrogen on the alpha carbon).Because the functional group here is carbonyl and the alpha carbon to this is the carbon connected to the benzene ring is carbonyl, there is no alpha hydrogen in benzaldehyde.As seen in the table below, the acidity of alpha hydrogens varies per carbonyl functional group. The discrepancies in the relative acidity of the alpha hydrogens can be explained by evaluating the stability of the conjugate bases.To learn more about carbonyl refer,
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Answer:
Reactions at the α-Carbon
Many aldehydes and ketones undergo substitution reactions at an alpha carbon, as shown in the following diagram (alpha-carbon atoms are colored blue).
Explanation:
These reactions are acid or base catalyzed, but in the case of halogenation the reaction generates an acid as one of the products, and is therefore autocatalytic. If the alpha-carbon is a chiral center, as in the second example, the products of halogenation and isotopic exchange are racemic. Indeed, treatment of this ketone reactant with acid or base alone serves to racemize it. Not all carbonyl compounds exhibit these characteristics, the third ketone being an example.
Two important conclusions may be drawn from these examples. First, these substitutions are limited to carbon atoms alpha to the carbonyl group. Cyclohexanone (the first ketone) has two alpha-carbons and four potential substitutions (the alpha-hydrogens). Depending on the reaction conditions, one or all four of these hydrogens may be substituted, but none of the remaining six hydrogens on the ring react. The second ketone confirms this fact, only the alpha-carbon undergoing substitution, despite the presence of many other sites. Second, the substitutions are limited to hydrogen atoms. This is demonstrated convincingly by the third ketone, which is structurally similar to the second but has no alpha-hydrogen.
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