The following elements can be isolated by electrolysis of the aqueous salt : Phosphorus from K3PO4 (aq).
What is electrolysis?Electrolysis is the method used to divide water into hydrogen and oxygen. An electrolyzer is a device where this process takes place.
In chemistry and production, the electrolysis method can be used to speed up a typically non-spontaneous chemical reaction. Electrolysis is significant from a business perspective as a phase in the electrolytic cell-based separation of elements from naturally existent sources like ores.
By introducing an electric current into a substance, electrolysis alters its chemical makeup. Depending on the substance, one electron is either lost or acquired during the chemical reaction (oxidation or reduction).
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How many planes of cleavage does this mineral have? Choose one: A. 0 B. 2 at 90° intersections C. 3 not at 90° intersections D. 1
The planes of cleavage that the mineral have is 1 as the mineral name is Muscovite mica.
The crystal lattice structure of a mineral affects its propensity to split or break along flat planar faces, or cleavage. These 2D surfaces, also known as cleavage planes, are produced by the alignment of atoms in the crystal structure or lattice through relatively weak connections.
The mineral depicted in the image is called "Muscovite mica," and it has layers that seem like flat sheets. Muscovite mica is far more likely to break along the layers because it only has weakly bonded potassium ions. There is just one ideal cleavage plane as a result. This cleavage is evident in the capacity to peel mica sheets.
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A compound is composed of carbon and hydrogen and has an empirical
formula of CH. The molar mass of the compound is experimentally
determined to be 78.12 g/mol. What is the molecular formula for the
compound?
The empirical formula for the given compound is C6H6.
What is empirical formula?The molecular formula represents the precise digits of the atoms found in the given molecule of the compound, whereas the empirical formula represents the proportional of the atoms found in the provided compound.
How empirical formula calculated?The empirical formula defines the individual atoms that make up a species in the simplest whole number ratio possible. The
The empirical formula is always multiplied by the molecular formula.
Given the foregoing, the empirical formula for the molecular formula is n.
Because of this, the molecular formula is: 78.0 g m o l 1 = n ( 12.011 + 1.00794 ) g m o l 1
n \s= \s78 \s12.011 \s+ \s1.00794 =6 \s .
And the chemical formula is C 6 H 6.
Molecular formula, although not always.≡
empirical formula, which includes the multiple n=1 \s .
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For which d orbital(s) do the lobes point directly at the ligands in a square-planar crystal field? Check all that apply.
O dzy
O dz2
O dzz
O dzy y^2
O dyz
submit
The dz2 and the dx2-y2 orbitals have lobes that point directly at the ligands in a square-planar crystal field in d orbitals.
The d orbitals are a set of atomic orbitals found in the second energy level (n = 2) of an atom. They have a higher energy than the s and p orbitals in the first energy level (n = 1), and are represented by the letters d, dx, dy, dz and dxy, dxz and dyz.The d orbitals are composed of four orbitals which are degenerate (having the same energy) in an isolated atom. But when an atom is in a compound, the d-orbitals split into different energy levels due to the influence of the electrostatic forces of the neighboring atoms. This is called the crystal field splitting, which depends on the symmetry of the crystal and the coordination number of the central atom.
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A beautyberry is a type of shrub that grows well in the southern United States. Some students have a small beautyberry shrub that is growing near their school. They record the number of berries, ripe or unripe, and the number of flowers at different times throughout the year.
Table. Column headings. Month, ripe berries, unripe berries, flowers. September, 9, 4, 2. October, 5, 10, 4. November, 5, 7, 3. December, 2, 3, 1. February, 3, 2, 0. March, 6, 11, 5. April, 12, 5, flowers 9. June, 3, 8, 2.
Which statement best explains what is shown in their data?
Choose the correct answer.
Responses
A.The beautyberry relies on wind to spread its seeds.
B..The beautyberry relies on one type of animal to eat the berries.
C.The beautyberry uses asexual reproduction to make new plants.
D.The beautyberry increases its chances of reproduction because its berries do not all become ripe at the same time.
The statement that best explains what is shown in their data is option D. The beautyberry increases its chances of reproduction because its berries do not all become ripe at the same time.
What is the beautyberry about?The data shows that the number of ripe berries and unripe berries varies from month to month, with the most ripe berries in April and the least in December.
This indicates that the beautyberry does not have all of its berries ripen at the same time, which increases the chances of some of them being eaten and spread by animals. This would help increase the chances of the beautyberry reproducing and spreading to new locations.
Therefore, It does not seem from the data provided that it relies on wind to spread its seeds or that it relies on one type of animal to eat the berries, or it uses asexual reproduction to make new plants.
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If we react 14 moles of oxygen with five moles of ethane how many moles of carbon dioxide would we make
Answer:46 moles of carbon dioxide and 12 moles of ethane.
Explanation:
46 moles of carbon dioxide and 12 moles of ethane.
What is Carbon dioxide?A non-flammable, colorless gas, carbon dioxide is. While being far less common in the atmosphere than nitrogen and oxygen, carbon dioxide plays a crucial influence in determining the composition of the air on our planet.
Carbon dioxide, a colourless gas having a faint sharp odour and a sour taste. It is one of the most important greenhouse gases linked to global warming, but it is a minor component of Earth’s atmosphere .
It is formed in combustion of carbon-containing materials, in fermentation, and in respiration of animals and employed by plants in the photosynthesis of carbohydrates.
Therefore, 46 moles of carbon dioxide and 12 moles of ethane.
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according to the department of transportation hazardous materials are defined as
Hazardous materials are substances or chemicals that pose a health hazard, a physical hazard, or harm to the environment.
What is hazardous materials?Weapons of mass destruction, as well as other matter or energy that have the potential to do harm to people, the environment, and property, when discharged.The EPA divides hazardous waste into three categories: listed, characteristic, and mixed radiological waste. Although there are numerous subclasses within each of these groups, the following are the broad groupings.Any cause of potential danger, harm, or negative health impacts on something or someone is a hazard. Basically, a risk is the potential for harm or a negative outcome (for example, to people as health effects, to organisations as property or equipment losses, or to the environment).A hazard is a potential source or circumstance that could cause harm to people or their health, damage to property, or harm to the environment.
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What is the E0cell? Mg 2+|Mg and Ci2|Ci
The E0cell for the halfcell that we have in the question is 3.73 V.
What is the cell potential?We have to know that the cell potential as we know it has to do with the electrical potential that is involved when we have the oxidation or the reduction of a given specie. In the case of what we have here, we have the cells that are composed of magnesium and chlorine and we want to find the electrode potential of the cells.
We must note that the basis that we can be able to use to find the electrode potential of the cell is the standard hydrogen electrode which has been assigned the value of about 0.00 V and all of the other cell potentials that we have can now be measured against this standard that has been fixed.
We have;
Magnesium half cell= -2.37 V
Chlorine half cell = + 1.36 V
Then we have;
E0cell = + 1.36 - (-2.37)
= 3.73 V
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What do i do if i smell gas inside of the house?
Answer:
open the windows, turn off all electronics (take out all of the plugs), then find where the gas is coming from.
Explanation:
Please help : ) and please explain in answer
The transfer of energy doe not always affect the appearance of the lake because it can attain a form that is quite similar to the other. It can be because of conduction, convection, and radiation.
What are the processes of heat transference?Heat transference can be described as a natural phenomenon that can be caused by conduction, convection, or radiation.
Convection can be defined as the transfer of energy in a given fluid such as, in this case, water. The energy transfer is due to particular molecular motion, energy is transferred by bulk, or macroscopic, the motion of the fluid.
Radiation can be defined as heat transfer through space due to electromagnetic radiation. Conduction can be defined as the transfer of energy between molecules due to direct contact.
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which 4 planets belong together? which 4 planets lumped together have the most similarities
Answer:
did you mean to add or attach a paper to this? We need more info to help
Explanation:
Answer:Mars, earth, Uranus and Jupiter
Explanation:
if a researcher wanted to temporarily denature a protein but wanted to be sure it would refold, which of the following methods or substances would be most appropriate
If a researcher wanted to the temporarily denature a protein but wanted to be sure it would refold, the method or the substances would be most appropriate is the urea.
The denature is defined as the process of the modification of the molecular structure of the protein. In this method it involves the breaking of the many weak linkage or the bonds in the protein molecules. It is responsible for highly ordered of the structure of the protein in the natural of state.
Thus, the urea is the appropriate substances , if the researcher wanted to the temporary denature the proteins.
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Write word equation as a chemical equation:
When chlorine gas is added to an aqueous solution of potassium iodide, the reaction yields solid iodine and an aqueous solution of potassium chloride
Answer:
Here's the chemical equation:
Cl2 + KI → KCl + I2
Cl2(g)+2KI(aq)→I2(s)+2KCl(aq)
Which action characterized Earth's earliest atmosphere (atmosphere I) ?
Helium and hydrogen gases escaped earth's gravity.
Increased oxygen allowed reptiles to thrive.
Heat energy was retained and water vapor condensed.
Ultraviolet light split water vapor into hydrogen and oxygen
The action "Heat energy was retained and water vapor condensed." characterized Earth's earliest atmosphere (atmosphere I)
Earth's earliest atmosphere, also known as atmosphere I, was primarily composed of methane, ammonia, and water vapor. The heat energy from the young Earth's molten surface caused these gases to rise and cool, leading to the condensation of water vapor and the formation of oceans. This process is known as the "greenhouse effect," as the retained heat energy allowed for the formation of a hospitable environment for the emergence of life. Ultraviolet light from the sun also played a role in the formation of the atmosphere by breaking down water vapor into hydrogen and oxygen, but this was not the primary process that characterized atmosphere I.
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Which statement best describes an electron going from shell 1 to shell 3 as shown in the picture below?
1. The electron is changing into a neutron
2. The electron is moving from one atom to another atom
3. The electron is moving from an excited state to its ground state
4. The electron is moving from its ground state to an excited state
Answer:
the electron is moving from one atom to another
Can someone please help I’ll give brainliest!!!
What are the six physical properties associated with hazard recognition of hazardous materials/chemicals
The six physical properties associated with hazard recognition of hazardous materials/chemicals are Flammability, Reactivity, Toxicity, Corrosivity, Physical hazards, Health hazards are explained below with details.
1. Flammability: The ability of a material to catch fire and burn easily.
2. Reactivity: The ability of a material to chemically react with other materials, including the potential for explosions or release of toxic gases.
3. Toxicity: The ability of a material to cause harm or death when ingested, inhaled, or absorbed through the skin.
4. Corrosivity: The ability of a material to eat away at or damage other materials, including metals and human tissue.
5. Physical hazards: The potential of a material to cause harm through physical means, such as pressure, impact, or friction.
6. Health hazards: The potential of a material to cause harm to human health, including acute and chronic effects.
These are the six physical properties associated with hazard recognition of hazardous material.
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Chlorine dioxide, ClO2, si a reddish-yellow gas that is soluble in water. In basic solution it gives ClO3- and ClO2- ions. 2ClO2(aq) + 2OH-(aq) ?
ClO3-(aq) + ClO2- (aq) + H2O. To obtain the rate law for this reaction, the following experiments were run and, for each, the initial rate of the reaction of ClO2 as determined. Obtain the rate law and the value of the rate constant
Chlorine dioxide is a powerful oxidizing agent and disinfectant used to sanitize and disinfect water, air, surfaces, and medical equipment.
What is Chlorine?
Chlorine is a chemical element found in the halogen group on the periodic table. It has the atomic symbol Cl, and its atomic number is 17. Chlorine is a pale green gas at room temperature, and it is highly reactive. Chlorine is widely used in water treatment and in the production of cleaning products, plastics, and pesticides.
The rate law for this reaction is rate = k[ClO2][OH-], where k is the rate constant. To calculate the rate constant, we can use the following equation:
k = (rate2 - rate1)/([ClO2]2 - [ClO2]1)([OH-]2 - [OH-]1)
Substituting the values for experiments 1 and 2, we get:
k = (0.00276 - 0.0248)/((0.020 - 0.060)(0.030 - 0.030)) = -0.142
The value of the rate constant is k = -0.142 mol/((L s)mol2).
To calculate the initial rate of reaction in experiment 4, we can use the following equation:
rate = k[ClO2][OH-]
Substituting the values for experiment 4, we get:
rate = -0.142(0.040)(0.060) = -0.0043 (mol/((L s))
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On the locating the epicenter exploration what city was near the epicenter?
A)Rio de Janeiro
B) Buenos Aires
C)Valparaiso
D)Lima
13 POINTS!! Helpp
different between ionic and metallic bond
Answer:
Whereas ionic bonds join metals to non-metals, metallic bonding joins a bulk of metal atoms.
Explanation:
hope this helps
A car has a mass of 2,050 kg and is traveling at 28 meters per second. What is the car's kinetic energy?
After solving the equation the car's kinetic energy is 783,500 kg m2/s2.
What is kinetic energy?Kinetic energy is the energy of motion, or the energy associated with an object or system due to its motion. It is a form of energy that can be converted into other forms of energy, such as thermal energy, sound energy, electrical energy, and so on.
The car's kinetic energy is the energy it has due to its motion. Kinetic energy is calculated as KE = 1/2mv2, where m is mass and v is velocity. In this case, the car has a mass of 2,050 kg and is traveling at 28 meters per second. Plugging these values into the equation gives:
KE = 1/2(2050 kg)(28 m/s)2
= 1/2(2050 kg)(784 m2/s2)
= 783500 kg m2/s2
Therefore, the car's kinetic energy is 783,500 kg m2/s2.
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PLEASE HELP me create a fictional video game using at least 2 of the ecological roles. (roles to choose from: decomposer, detritivore, pollinator, and seed disperser) (PLS TYPE IT OUT, PLS PLS)
what to include:
-Your characters (include creative names)
-An explanation of how the game is played
-The story of the game
-How the game is won/lost
-Connect the definition of of the two roles with the game and/or how the game is won.
Write a paragraph with at least 7-10 sentences.
BTW ILL GIVE BRAINLIEST OR WHATEVER ITS CALLED!! PLEASE HELP MEE! DESPERATE! IVE BEEN STARING AT THE SCREEN AND CRYING LOLZ <3
Answer:
GOT YOU
Explanation:
Jotun (pollinator)
Norse(decomposer)
Its a point and click adventure game. Where you only have specific actions you can do with your mouse. The basic options are Inspect for notes or Pollinate pollinate the right plants to escape. Your goal and how to win is go through each level picking up the plants to pollinate leave the level. The only way to lose is if you are unable to find the right plants by a set amount of time. The story is your wife has been taken prisoner by Norse and you are alerted by this from a note. You go to a location and find a tower once you walk in the doors shut behind you and a screen appears saying "Get out of the room and to the top of the tower in an hour or she dies. Jotun escapes and gets to the top of the tower to find out his wife died long ago and Norse has been using her for food.
How much water must be added to 516 mL of 0.191 M HCl to produce a 0.133 M solution? (Assume that the volumes are additive)
Answer:
225 mL of water must be added.
Explanation:
First we calculate how many HCl moles are there in 516 mL of a 0.191 M solution:
516 mL * 0.191 M = 98.556 mmol HClNow we use that number of moles (that remain constant during the dilution process) to calculate the final volume of the 0.133 M solution:
98.556 mmol / 0.133 M = 741 mLWe can calculate the volume of water required from the volume difference:
741 mL - 516 mL = 225 mLWhat will be the pH of solution after sodium acetate solution in the middle or the last column reacts with the specified concentration of HCl
The pH of the final solution will be less than 7, but closer to 7 if the initial concentration of sodium acetate is high and the concentration of HCl is low.
The pH of a solution after a reaction with a strong acid like HCl will depend on the concentration of the acid and the concentration of the acetate ions (CH3COO-) in the sodium acetate solution. Sodium acetate (CH3COONa) is a weak base, and when it reacts with HCl, it forms acetic acid (CH3COOH) and sodium chloride (NaCl). The equation for this reaction is: CH3COONa + HCl → CH3COOH + NaClThe pH of a solution is a measure of the concentration of hydronium ions (H3O+) in the solution, so the pH of the solution after the reaction will depend on the concentration of H3O+ ions and the concentration of acetate ions. If the reaction is done in aqueous solution, the acetic acid formed will dissociate to form H3O+ and acetate ions. The acetate ions will neutralize some of the H3O+ ions, thus decreasing the overall acidity of the solution. The pH of the final solution will be less than 7, but closer to 7 if the initial concentration of sodium acetate is high and the concentration of HCl is low. It's important to note that without knowing the initial concentration of sodium acetate and the volume of the solutions it is not possible to determine the final pH.
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QUESTION 2 What is the uncertainty (in % RSD) of a standard solution prepared by pipetting 20mL of a 0.2487 M (s
The formula for standard deviation is: = (V1/C1) + (V2/C2) +... + (Vn/Cn).
How could we ascertain if the standard solution created using a pipette is correct?Calculating the percent relative standard deviation (RSD) of the measurement will allow us to ascertain the degree of uncertainty in a standard solution created by pipetting 20 mL of a 0.2487 M (stock) solution.
The RSD is determined by multiplying the standard deviation by the mean and then by 100. The formula to determine the standard deviation is: = (V1/C1) + (V2/C2) +... + (Vn/Cn).
Where n is the number of measurements, C is the stock solution's concentration, and V is the volume of solution added.
We are unable to compute the RSD for the given information since you have not provided any information regarding the number of measurements taken.
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How many grams of iron (III) oxide are needed?
Answer:
The SI base unit for amount of substance is the mole. 1 mole is equal to 1 moles Iron(III) Oxide, or 159.6882 grams.
Oxygen and chlorine gas are mixed in a container with partial pressures of 0.53 atm and 0.639 atm, respectively. What is the total pressure inside the container (in atm)?
Answer:
1.17 atm
Explanation:
Calculation to determine the total pressure inside the container (in atm)
Using this formula
Total pressure = Partial pressure 1 + Partial pressure 2
Where,
Partial pressure 1=0.53 atm
Partial pressure 2=0.639 atm
Let plug in the formula
Total pressure = 0.53 atm + 0.639 atm
Total pressure = 1.17 atm
Therefore the total pressure inside the container (in atm) is 1.17 atm
The equation shows the reaction between magnesium and sulfuric acid
Mg + HSO. → MgSO. + H
(Mg=24, H=1, S=32 0=16)
5
In this maction, what mass of magnesium sulfate will be formed when 6g of magnesium reacts
with excess sulfuric acid?
Answer:
Mg + Hso4 - Mgso4 + H
24g of magnesium- 120g of Mgso4
Xg. - 6g of Mgso4
Cross multiply
120x - 144
x = 144/120
x= 1.2g
If 0.40 mole of H2 and 0.15 mole of O2 were to react as completely as possible to produce H2O, what mass of reactant would remain
The remaining mass of hydrogen that is present in the reaction is 0.20 grams.
The balanced chemical reaction can be depicted as follows:
2H2+O2---->2H2O
1 mole of Oxygen reacts with 2 moles of Hydrogen in order to produce two moles of water i.e., H2O.
0.15 moles of O2 reacts with 2 * 0.15 = 0.30 moles of H2
The moles of H2 are given i.e., 0.40 moles.
So remaining = 0.40 moles - 0.30 moles = 0.10 moles
Thus, the mass of H2 can be calculated by multiplying the number of moles with the molar mass that is expressed as follows:
Mass = moles * molar mass
Molar mass of H2= 2 g/mol
Mass of H2 remained in the reaction = 0.10 moles * 2 g/mole = 0.20 grams.
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A beautyberry is a type of shrub that grows well in the southern United States. Some students have a small beautyberry shrub that is growing near their school. They record the number of berries, ripe or unripe, and the number of flowers at different times throughout the year.
Table. Column headings. Month, ripe berries, unripe berries, flowers. September, 9, 4, 2. October, 5, 10, 4. November, 5, 7, 3. December, 2, 3, 1. February, 3, 2, 0. March, 6, 11, 5. April, 12, 5, flowers 9. June, 3, 8, 2.
Which statement best explains what is shown in their data?
Choose the correct answer.
Responses
A.The beautyberry relies on wind to spread its seeds.
B..The beautyberry relies on one type of animal to eat the berries.
C.The beautyberry uses asexual reproduction to make new plants.
D.The beautyberry increases its chances of reproduction because its berries do not all become ripe at the same time.
Note that statement best explains what is shown in the above-tabularized data is: "The beautyberry increases its chances of reproduction because its berries do not all become ripe at the same time. (Option D)
What is the rationale for the above answer?The statistics in the above table appear to reflect the ripening of berries and the number of blossoms of a plant, presumably called beautyberry. It can be noticed that the amount of ripe berries and blossoms varies each month.
This implies that the beautyberry does not produce all of its berries at once, but rather over the course of several months. This might boost the odds of reproduction by providing a food supply for animals and birds for a longer length of time.
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18) The vinegar was used to remove the shell form the raw egg. What other effect(s) did the vinegar have on the egg
The vinegar also caused the egg white to become more acidic, making it easier to separate from the yolk. Additionally, the vinegar helped preserve the egg by preventing bacteria from growing on the eggshell.
What is bacteria?Bacteria are microscopic organisms that exist virtually everywhere in nature. They range in size from 0.2 to 0.8 micrometers and can be found in soil, water, air, and even inside other organisms. Bacteria can reproduce rapidly, and some species can form biofilms that make them resistant to antibiotics. Bacteria can have beneficial roles in food production, soil fertility, and human and animal health. They can also cause diseases, such as cholera, meningitis, and tuberculosis. Bacteria are able to adapt quickly to changing environments and can become resistant to antibiotics.
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