A) No change in E. Adding NaOH does not affect the cell voltage as it does not change the concentrations of the reactants or products.
What is cell voltage?Cell voltage is the electrical potential difference between two points in a cell. It is the amount of energy needed to move a unit charge from one point to the other. It is measured in volts (V). Cell voltage is an important parameter for battery efficiency, because it affects the amount of current that can be drawn from the battery, as well as its capacity. Cell voltage is determined by the chemical reaction taking place inside the cell, as well as the design of the cell and its components.
b) Increased E. Increasing the temperature increases the rate of the reaction, which causes the cell voltage to increase.
c) Increased E. Increasing the amount of PbCl2 increases the rate of the reaction, which causes the cell voltage to increase.
d) Decreased E. Diluting the solution by adding H2O decreases the concentrations of the reactants and products, which slows down the reaction rate and decreases the cell voltage.
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find [oh−] of a 0.33 m methylamine (ch3nh2) solution. (methylamine has a kb value of 4.4×10−4.)
Since no suitable negative concentrations exist, Yer 0.01165M is eligible only. The solution's 0.01165M hydroxyl ion concentration is what it means.
Describe the concentration principle.The responsibility of the parties to take particular procedural steps during particular stages of hostile proceedings so order to hasten the procedures and the court's decision makes up the principle on concentration to be one of the main branch principles in civil processes.
In chemistry terms, what does concentration mean?The amount of solute dissolved in the solvent is indicated by concentration of the solution. This concentration could be stated as one teaspoon of salt per two cups of water, for instance. The solution contains 5% by weight acetone, according to the vinegar label.
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Consider the width of each block and its relation to the subshell being filled. Complete the table. Num of Orbitals s 14 p 30 d 40 f 28 Width of Periodic Block 1 3 5 7 Next (11 of 12) Incorrect
A collection of electrons in a shell organized into subshells based on the form of the space they fill.
Each subshell's electrons are organized into orbitals, which are areas of the atom's interior where a certain electron is most likely to be found. An atomic orbital is a function that describes the position and wave-like activity of an electron in an atom in terms of both atomic theory and quantum mechanics.
This function can be used to determine the likelihood of discovering any atom's electron in any particular area surrounding the nucleus.
The physical area or space where the electron may be calculated to be present, as predicted by the specific mathematical shape of the orbital, is sometimes referred to as an atomic orbital.
The complete question and answer are attached as images.
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how many molecules of nadph are required for 12 molecules of rubp to be carboxylated by rubisco?
The six carbon compound formed when carbon dioxide and RuBP react immediately breaks down into two molecules of 3-phosphoglycerate, the Calvin cycle's first stable product.
What is carboxylation?Carboxylation is a chemical reaction that produces a carboxylic acid by exposing a substrate to carbon dioxide. Decarboxylation is the inverse reaction. Carbonylation (carboxylation) is the reaction in which an organic compound reacts with carbon monoxide, and carbonylation refers to reactions in which carbon monoxide is introduced into organic and inorganic compounds. Decarboxylation is a reaction in which carboxylic acids remove a carbon atom from a carbon chain. Carboxylation is a completely reversible process that occurs as the first chemical step in photosynthesis and involves the addition of CO2 to the compound.
Here,
When carbon dioxide and RuBP react, the six carbon compound formed immediately degrades into two molecules of 3-phosphoglycerate, the Calvin cycle's first stable product.
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Complete this Bronsted-Lowry reaction, placing each product by its appropriate label. HPO^2-_4 + BrO^-
Count the hydrogens on each component before and after the reaction to determine if it is an acid or a basic. Acid is the material whose hydrogen content has reduced.
What in chemistry is Brnsted-Lowry?A Brnsted-Lowry base must have at least one lone pair of electrons in order to absorb a proton and create a new connection with it. A proton is transferred from an acid to a base in an acid-base reaction, according to the Brnsted-Lowry definition.
What distinguishes Lewis acid base from Bronsted-Lowry?A Bronsted-Lowry base is a chemical that can take a hydrogen ion, whereas a Bronsted-Lowry acid can donate one. Lewis bases
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a gas is in a sealed container. by what factor does the gas pressure change if a. the volume is doubled, and the temperature is tripled?;
PNew = 3/2 P.
Here, PNew is the new pressure generated in the sealed container by the Ideal gas law, when the volume is doubled and the temperature is tripled. Ideal gases are the gases which follows Ideal gas properties.
According to Ideal gas law,
PV= nRT
P = nRT / V
Now,
VNew = 2V
TNew = 3T
So, the change in pressure will be
PNew VNew = nRTNew
PNew (2V)= nR(3T)
PNew = 3/2 (nRT / V)
PNew =3/2 P.
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Maddie and Juan's were given to task of trying to cook a s'more using the Sun! They built this oven using a box and aluminum foil. After setting up the device, they put four s'mores in the box. Ten minutes later the s'mores were hot and ready to eat. Describe the energy transformation that took place in the students' oven
The conversion that take place is solar energy to heat energy.
The energy conversion that occurred in the classroom oven was from solar energy to heat energy. Radiant energy, also known as solar energy, is the heat from the sun that heats the oven. The hotdog becomes hot and ready to eat when the internal temperature of the oven rises with the help of aluminium foil because the absorbing heat energy accumulates inside the oven more quickly than it is lost. Light energy to heat energy conversion: Solar cookers aim sunlight at a target, like a cooking pan. Conduction is the process by which light energy is transformed into heat by interacting with the receiver material. Utilizing materials that conduct and hold heat improves conversion.
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why are diseases transmitted through the bites of infected animals not considered contagious diseases
Answer:
Diseases transmitted through the bites of infected animals are not considered contagious because they are not spread through direct contact with another person or through the air.
Explanation:
These diseases are typically caused by microorganisms or viruses that are specific to certain animal species, and they are not easily transmitted to humans. Additionally, many of these diseases require a specific set of circumstances to be transmitted, such as a bite or scratch from an infected animal, which makes them less likely to spread widely within a population. Contagious diseases are typically spread through direct contact with an infected person or through the air, such as through respiratory droplets from a sneeze or cough.
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The rate constant of a certain reaction is known to obey the Arrhenius equation, and to have an activation energy =Ea20. 0/kJmol. If the rate constant of this reaction is ×7. 7107·M−1s−1 at 221. 0°C, what will the rate constant be at 253. 0°C?
Round your answer to 2 significant digits
If the rate constant of this reaction is 7. 7107M1s1 at 221. 0°C, it is 11.3 M-1s-1 at 253. 0°C.
To find the rate constant at 253.0°C, we can use the Arrhenius equation: k = A * e^(-Ea / RT).where k is the rate constant, A is the pre-exponential factor, Ea is the activation energy, R is the gas constant, and T is the temperature in Kelvin.
We know that the activation energy is Ea = 20.0 kJ/mol, and
the rate constant at 221.0°C is k1 = 7.7107 M^-1s^-1. We can use the known values to find the pre-exponential factor
A:k1 = A * e^(-Ea / R * T1) 7.7107 M^-1s^-1
= A * e^(-20.0 * 10^3 J/mol * (1/8.314 J/mol * K) * (494.0 K)).
A = 7.7107 * e^(20.0 * 10^3 J/mol / (8.314 J/mol * K) * (221.0 - 273.15)).
We can now use this value of A to find the rate constant at 253.0°C:
k2 = A * e^(-Ea / R * T2) = A * e^(-20.0 * 10^3 J/mol / (8.314 J/mol * K) * (526.15 K)).
k2 = 7.7107 * e^(20.0 * 10^3 J/mol / (8.314 J/mol * K) * (221.0 - 273.15)) * e^(-20.0 * 10^3 J/mol / (8.314 J/mol * K) * (253.0 - 273.15)).
k2 = 11.3 M^-1s^-1So the rate constant at 253.0°C is 11.3 M^-1s^-1 rounded to 2 significant digits.
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the rate constant for a reaction increases from 10.0 to 100 when the temperature is increased from 300k to 400k what is the activcation energy
A reaction's rate constant rises from 10.0 to 100. when the temperature rises from 300°C to 400°C 45.6 kJ/mol is the activation energy.
The activation energy for the reaction can be calculated using the Arrhenius equation, which relates the rate constant to the activation energy and the temperature. The Arrhenius equation is: k = A * e^(-Ea/RT). Where k is the rate constant, A is the pre-exponential factor, Ea is the activation energy, R is the gas constant, and T is the temperature. By rearranging the equation to solve for Ea, we get: Ea = -RT * ln(k/A)We know that k1 = 10.0 s^-1 at T1 = 300 K, and k2 = 100. s^-1 at T2 = 400 K. We can use these values to calculate the activation energy: Ea = -(8.314 J/mol*K) * (400 K - 300 K) * ln(100/10)=Ea ≈ 45.6 kJ/mol.
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3. When atoms bond, the electron configuration of each atom in the bond
resembles those of the nearest
1.Halogen
2.Noble Gas
3.Alkaline earth metal
4.Alkali metal
Answer:
Noble gas
Explanation:
Noble gases are the most stable elements on the periodic table, so every element aims to bond in a way that will make them have the same number of valence electrons as the noble gases. Valence electrons are the electrons in the outer ring of an element. Noble gases have eight valence electrons, which is the most possible. All elements aim to be unreactive in this manner. Hope this helps!
How much heat is required to increase the temperature of a 125-gram aluminum can (specific heat-0390 g) from 22.2°C to 75.4°C?
Answer:
Explanation: We all have some knowledge of what specific heat is, after all, we have gone through Physics in High School.
It is the amount of heat that required to raise the temperature of a certain substance by a certain amount. The amount of heat depends on the properties of the substance. This means that the amount of heat will vary for different substances.
Specific heat is a measure of how thermally insensitive a substance is when it’s subjected to an addition of energy. This specific heat calculator is a tool to help you calculate the specific heat of different substances.
Energy 63000 joules
Change of tempreture 3 c
mass 5 kg
Answer:Heat energy required is 2593.5 joule energy
Explanation:The formula to calculate heat energy is,
Q=m*c*temperature difference
Q=125*0.390*(75.4-22.2)
Q=2593.5J
Hope the explanation was helpful.
Cite the evidence that indicates that only physical changes occur when a platinum wire is heated in a Bunsen burner flame. (More than one answer may be correct.) O A new substance was formed after heating the wire. O The wire changed color during the heating, O No change in the composition of the platinum could be detected. O The original appearance was restored when the wire cooled e Textbook and Media
Evidence that indicates that only physical changes occur when a platinum wire is heated are option B: the wire changed color and option D: original color was restored.
In a physical change, the substance's shape or appearance changes, but the type of matter it contains stays the same. In contrast, when matter undergoes a chemical transformation, at least one new substance with novel features is created. When platinum wire is heated in a burner flame, its look changes from silvery metallic to flaming red, which is an example of a physical transformation. However, cooling the platinum will return it to its natural appearance.
Platinum has a very low reactivity, therefore unlike many other metals, it does not react with air oxygen to generate a metallic oxide. It is only a physical alteration because heating doesn't result in any chemical changes.
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A solution contains 32 g of KNO3 per 100.0 g of water at 25 C Is the solution unsaturated, saturated, or supersaturated?
At 25 C, a solution has a KNO3 concentration of 32 g per 100.0 g of water. The solution is therefore not saturated.
At 25 C, is KNO3 soluble in water?Explanation: You are well aware that the solubility of potassium nitrate, KNO3, in water varies between 38.0 g at 25 degrees Celsius and 155 g per 100 g at 75 degrees Celsius.
A saturated solution is what?A solution is said to be saturated when it has dissolved all of the solute it can. At a certain temperature, no additional solute can dissolve in a saturated solution. By continuing to dissolve the solute until no more can be done, we can create a saturated solution.
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Predict whether creatine kinase will operate in the direction of ATP synthesis or phosphocreatine synthesis at 25°C when [ATP] = 4 mM, [ADP] = 0.15 mM, [phosphocreatine] = 2.5 mM and [creatine] = 1 mM. Show your work.
To predict whether creatine kinase will operate in the direction of ATP synthesis or phosphocreatine synthesis, we need to consider the equilibrium constant for the reaction and the concentrations of the reactants and products.
The reaction catalyzed by creatine kinase is:
ATP + creatine <-> ADP + phosphocreatine
The equilibrium constant for this reaction is defined as:
Kc = [ADP][phosphocreatine] / [ATP][creatine]
We are given the concentrations of the reactants and products at 25°C:
[ATP] = 4 mM
[ADP] = 0.15 mM
[phosphocreatine] = 2.5 mM
[creatine] = 1 mM
We can use these concentrations to calculate the value of the equilibrium constant:
Kc = [ADP][phosphocreatine] / [ATP][creatine] = (0.15 mM)(2.5 mM) / (4 mM)(1 mM)
Kc = 0.09375
If the value of the equilibrium constant is less than 1, the reaction will favour the reactants, meaning it will operate in the direction of ATP synthesis. If the value of the equilibrium constant is greater than 1, the reaction will favour the products, meaning it will operate in the direction of phosphocreatine synthesis.
Since the value of the equilibrium constant is less than 1, the reaction will favour the reactants, meaning that creatine kinase will operate in the direction of ATP synthesis.
In summary, the reaction catalyzed by creatine kinase at 25°C when, [ATP] = 4 mM, [ADP] = 0.15 mM, [phosphocreatine] = 2.5 mM and [creatine] = 1 mM will operate in the direction of ATP synthesis.
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How many molecules are in a sample of water with a mass of 44.99 grams
Answer:
44.99
⋅
g
18.01
⋅
g
⋅
m
o
l
−
1
×
N
A
, where
N
A
=
Avogadro's number
6.022
×
10
23
⋅
m
o
l
−
1
.
Explanation:
how long (in minutes) must a 5.40 a current be passed through an aqueous solution of zinc nitrate to deposit 87.5 g zn
Zn=65,4Zn^+2 (n=2) This equation states that it will take 47818 seconds or 797 minutes to deposit 87.5 g of zinc nitrate when a current is run through an aqueous of the metal.
How can I obtain zinc nitrate?Typically, zinc nitrate is made by dissolving zn metal, metal oxides, or other similar compounds in nitric acid as follows: Zn + 2 HNO 3 Zn (NO 3) 3 Zn = 2 Plus H. ZnO Plus 2 HNO (NO 3) 2 plus H 2O. The zinc nitrate hydrates as a result of these processes.
Does zinc vaporize in liquid?5 mg Zn2+/L was cited as the legal maximum by the World Health Organization. What form and how does zinc mix with water This process releases hydrogen, which violently interacts with oxygen.
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Listen Dredging can be an effective technique in acquiring uranium. a) True b) False
The Dredging can be an effective technique in acquiring uranium is the correct option is b) False.
The dredging is removal of the sediments and the debris from the bottom of the lakes , the harbors, rivers and the other water bodies. It is the routine of the water ways around worlds. It is because of the sedimentation. The sedimentation is the natural process of the sand and the slit washing away the downstream. It gradually fills the channels and the harbors.
Thus the dredging is the extraction of the material from the water environment. The dredging improves the water features.
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for each pair, choose the compound with the larger lattice energy: a. na2o or cao b. cao or cas
Between Na₂O and CaO, the compound with the larger lattice energy is CaO, because Ca²⁺ charge is higher than Na⁺ charge. Between CaO and CaS, the compound with the larger lattice energy is CaO, because they are the same charge but size of O is smaller.
What is lattice energy?Lattice energy can be described as the energy needed to convert one mole of an ionic solid into gaseous ionic constituents. In alternative, it can be described as the energy which have to be supplied to one mole of an ionic crystal in order to separate it into gaseous ions in a vacuum via an endothermic process. The value for the lattice energy is always positive, since it will always be an endothermic reaction.
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From your knowledge about the distribution of electrons in the levels and from the atomic number (in parentheses), indicate the most likely charge on the ion when this atom forms an ion. (Remember the 2, 8, 18 level distribution.)
The most likely charge on the ion when this atom forms an ion O⁻².
Actually any atom tries to reach its nearest noble gas electron distribution, which is 8 electrons in its last shell (2 in case of helium). To achieve the total of 8 electrons in its last shell an atom takes up or gives up electrons.
Like in case of oxygen, it has 6 electrons in its last shell, thus generally takes up 2 more electrons to achieve the electron distribution of noble gas neon(10) and it can be written as O⁻².
Now when an atom takes up electron it becomes electronegative(because of more negative charged entities in it i.e, electrons) and when one gives up electron it becomes electropositive(because of extra positive charged entities in it i.e, proton).
But there can be some extra valencies other than the most stable one(which has the noble gas configuration). For example, oxygen has valencies of +1, +2, -1 other than -2(most stable).
Your question is incomplete most probably your full question was
From your knowledge about the distribution of electrons in their shells and from the atomic number (in parentheses), indicate the most likely charge on the ion when this atom forms an ion. (Remember the 2-8-18 shell distribution.) Oxygen (8) +1 +2 -2 -1
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A borrower received a 30-year ARM mortgage loan for $200,000. Rate caps are 3/2/6. The start rate is 3.50% and the loan adjusts every 12 months for the life of the mortgage. The index used for this mortgage is LIBOR (for this exercise, 3.00% at the start of the loan, 4.45% at the end of the first year, and 4.50% at the end of the second year). The margin on the loan is 3.00%, which remains the same for the duration of the loan.
The margin on the loan is 3.00%, which remains the same for the duration of the loan.
(1) The initial rate (start rate) the borrower will pay during the first year is 3.50%.
(2) To calculate the interest rate after the first rate adjustment, we must use the "stair step method" which involves comparing the fully indexed rate (FIR) to the rate cap and the initial rate. The index rate used for this mortgage is MTA, which is 4.45% at the end of the first year. The margin on the loan is 3.00%, which remains the same throughout the loan.
FIR = 4.45% + 3.00% = 7.45%
The rate cap for the first year is 3%, so the interest rate can increase by a maximum of 3%.
The interest rate the borrower will pay after the first rate adjustment is 3.50% + 3% = 6.50%.
(3) To calculate the fully indexed rate (FIR) after the second year, we add the index rate to the margin:
FIR = 4.50% + 3.00% = 7.50%
(4) The rate cap for the second year is 2%, so the interest rate can increase by a maximum of 2%.
The maximum interest rate the borrower will pay during the 30-year term for this loan is 3.50% + 3% + 2% = 8.50%.
(5) If the interest rate is at its maximum, the MTA index would have to be at least 8.47% in order to reach the maximum interest rate, assuming that the margin remains 3.00%.
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identify the section in which each type of information can be found on a safety data sheet.
Guidelines for accidental contact is the section in which each type of information can be found on a safety data sheet.
The safety data sheet (SDS) contains details about each chemical's characteristics, potential physical, mental, and environmental health risks, counter measures, and safety instructions for handling, storing, and transporting the chemical.
Guidelines for accidental contact: First aid measures; chemical name; identification of potential hazards; compatibility; handling; PPE; and exposure controls. Hazards and suggestions for chemicals are:
Chemical hazards are various chemical chemicals that can be harmful to human health. The First-Aid Measures are a set of suggestions on how to lessen the consequences brought on by unintentional exposure to a certain chemical threat. Personal protection equipment (PPE) is a category of specially made equipment that shields an employer from workplace safety threats.
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The complete question is
Identify the section in which each type of information can be found on a Safety Data Sheet.
recommendations in case of accidental contact with the chemical Choose...
chemical name and formula Choose...
possible dangers and health effects Choose...
incompatibility or reactivity with other chemicals Choose...
recommended personal protective equipment (PPE) Choose...
A solution contains 2.2 x 10^-4 M Ag+ and 1.3 x 10^-3 M Pb^2+.
If NaI is added, will AgI (Ksp = 8.3 x 10^-17) or PbI2 (Ksp = 7.9 x 10^-9) precipitate first?
Specify the concentration of I- needed to begin precipitation.
AgI will be the first to precipitate. [I-] = 4.2 x 10-13 M for AgI
[I-] = 2.3 x 10-3 M for PbI2.
What exactly do you mean by precipitate?: to fall or become suddenly ill. : to move or act in a violent or unwise manner. 3. to extricate from a suspension or solution.
Is precipitate synonymous with soluble?In chemistry, a precipitate is an insoluble solid that develops from a liquid solution. Precipitation is the process by which an insoluble solid emerges from solution. The precipitate is frequently released as a suspension. Precipitates are created when two soluble salts combine in a solution to produce one or more insoluble products.
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A mixture is made by mixing alcohol, water and salt then how will you seperate the componen of the mixture?
Answer: Fractional Distallation
Explanation: this technique relies on the compounds of the mixture. This is able to happen when there is diffrent boilling points.
ind pH in the following solution if their [H^+] concentration is : a) [5x10^-9 ml/dm^3]
Answer:
8.301
Explanation:
just calculate -log (5×10*-9)
the reaction is the last step in the commercial production of sulfuric acid. the enthalpy change for this reaction is 227 kj. in designing a sulfuric acid plant, is it necessary to provide for heating or cooling of the reaction mixture? explain.
It is necessary to provide cooling for the reaction mixture to prevent sulfuric acid from boiling. Enthalpy is -227 kJ. Heat is also emitted into the environment, and hence exothermic.
Sulfuric acid plants: what are they?Any facility that produces sulfuric acid through the contact process of burning elemental sulphur, alkylation acid, hydrogen sulphide, organic sulphides and mercaptans, or acid sludge is referred to as a sulfuric acid plant.
How does a facility for sulfuric acid operate?The boiler's flue gas is piped into a catalytic reaction vessel. The catalyst converts extra oxygen from combustion air into SO3 in order to oxidise SO2. A condensing tower receives catalytic converter exhaust gases.
What are sulfuric acid's four applications?The production of fertilisers, pigments, dyes, medicines, explosives, detergents, inorganic salts, and acids, as well as petroleum refining and metallurgical operations, all utilise varied amounts of acid.
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predict and explain the types of intermolecular forces that would occur between paper and water. how do these interactions account for the hydrophilic nature of the water?
Water propensity move capillary action against gravity by strong intermolecular force of hydrogen bonds in paper&water, which are made up of the OH from paper chromatography and the H from the water.
What are the four chromatography types?
To that goal, numerous chromatographic techniques have been created. A few of these are affinity chromatography, slender chromatography (TLC), column chromatography, paper chromatography, chromatography, anion - exchange chromatography, and gel permeation and high-pressure liquid chromatography.
What is the purpose of chromatography?
Chromatography can be employed to read the contents of a mixture by feeding its outputs into a detector. Additionally, it can be employed as a purification method to separate a mixture's constituent parts for use in other operations or studies.
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What do l talk about on my timelines?
Timelines are intended to give a general perspective of a series of historical events. Although they don't go into great length, as necessary, connections to photographs, information, and events may be added.
What are Timelines?History textbooks and biographies frequently employ timelines to illustrate what occurred over a specific time period or to a specific person, beginning with the earliest event and going ahead in time. For instance, your own personal chronology can start with your birth.
Timelines are meant to provide a broad overview of a number of historical events.
There may be connections to images, facts, and events, albeit they don't go into great detail unless essential.
Thus, this way, one can have their timeline.
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Which arrow represents an instance of potential energy being used to create a chemical bond?
a.) arrow between photosystem II and O2
b.) arrow between the sunlight and photosystem II
c.) arrow between chemiosmosis and Calvin cycle
d.) arrow between H2O and photosystem II
The high-energy molecule that powers the Calvin cycle, ATP, is formed by the binding of ADP and Pi using the potential energy of the proton gradient.
What does the acronym ATP mean?The Association of Tennis Professionals (ATP) uses the Pepperstone ATP rankings as a merit-based mechanism to determine a player's eligibility for entrance as well as their seeding in all singles and doubles competitions.
What is the ATP ranking on Pepperstone?Fans commonly refer to the Pepperstone ATP Rankings as "the world rankings." For instance, Novak Djokovic is considered the best player in the world when he is ranked first in the Pepperstone ATP Rankings.
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Which of the following solutions of strong electrolytes contains the largest number of moles of chloride ions: 100.0 mL of 0.30 M AlCl3, 50.0 mL of 0.60 M MgCl2, or 200.0 mL of 0.40 M NaCl?
The largest number of moles of chloride ions are in 100ml of 0.3M AlCl3.
The moles is calculated as
molarity= moles/ molecular weight×100
moles of AlCl3= 0.1×0.3×133.34
= 4 mole where there are 3 chloride ion so it will be 12 moles.
Moles of MgCl2= 0.05× 0.6× 95.21
= 2.85 equivalent to 3moles where 2 chloride ion so it will be
Moles of NaCl =0.2× 0.4 ×58.5
= 4.67 where there are 1 chloride ion so it will be 4.67.
Mole is a measure of the number of substances and molarity is a measure of concentration. Molarity indicates the amount of substance present in a mixture. Molarity is given as the moles of substance in the volume of solvent. A mole is a unit, but a molarity is not.
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the fuel used in many disposable lighters is liquid butane, c4h10. butane has a molecular weight of 58.1 g/mol. how many carbon atoms are in 3.50 g of butane?
The total number of carbon atoms in 3.50g of butane is 0.24 mol.
Liquid butane (C4H10) is a commonly used fuel in disposable lighters. Butane has a molecular weight of 58.1g/mol, which means that for every 1 mol of butane, there are 58.1 grams.
To calculate the number of carbon atoms in 3.50 grams of butane, we can use the following equation: Amount (mol) = Mass (g) / Molecular Weight (g/mol).
In this case, 3.50g / 58.1g/mol = 0.060 mol of butane. Since each molecule of butane contains 4 carbon atoms, the total number of carbon atoms in 3.50g of butane is 0.060 x 4 = 0.24 mol of carbon atoms.
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