if a substance is always reduced, what does this tell us about it's reduction potential compared to the other substances?
Answers
If a substance is always reduced, it means that its reduction potential is more positive than the reduction potentials of all other substances in the system.
This is because a substance with a more positive reduction potential will be more likely to gain electrons and be reduced.
Reduction potential is a measure of the tendency of a substance to be reduced or to gain electrons, and is often compared to the standard hydrogen electrode (SHE).
If the reduction potential of a substance is more positive than the reduction potential of the SHE, it has a greater tendency to be reduced than hydrogen.
The greater the difference between the reduction potential of a substance and that of the SHE, the greater its tendency to be reduced.
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Related Questions
Which element is oxidized: SnO2 + H2 --> Sn + H2O
Answers
Answer:
h2o I'm pretty sure if not it is H2
differences between properties of convalent and ionic bond.
Answers
Ionic bonds will be a metal + a nonmetal, and electrons
are transferred from the metal to the nonmetal.
A covalent bond will be a nonmetal only. Nonmetals will not give up their electrons so electrons are shared.
I have also written this on the whiteboard in the image provided.
Select all the statements that correctly describe the bonding in benzene.a. the compound is named as a derivative of the base compoundb. the substitution pattern could be indicated by numbering the ring carbon atomsc. the appropriate designation o, m, or p can be used as a prefix to indicate the substitution pattern
Answers
The correct option is (b)- the substitution pattern could be indicated by numbering the ring carbon atoms.
What is carbon?
The nonmetallic chemical element carbon (C) belongs to Periodic Table Group 14 (IVa). Despite being widely dispersed, carbon is not very abundant in nature—it only makes up around 0.025 percent of the Earth's crust—yet it produces more compounds than all the other elements put together.
What is atom ?
The smallest component of an object that cannot be destroyed chemically. Protons (positive particles) and neutrons make up the nucleus (center) of each atom (particles with no charge). The nucleus is surrounded by negative electrons.
Therefore, correct option is (b)- the substitution pattern could be indicated by numbering the ring carbon atoms.
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Please answer. I will be picking the brainiest answer as well!
Answers
The letter "B" is labeling what part of the wave?
B
Wavelength
Compression
Rarefaction
Amplitude
Answers
Answer:
What property of the wave is addressed by the letter B?
Picture result for The letter "B" is marking which part of the wave? B Frequency Pressure Rarefaction Plentifulness
What property of the wave is addressed by the letter "B"? Abundancy.
Explanation:
1,Wavelength,
Definition: Frequency can be characterized as the distance between two progressive peaks or box of a wave. It is estimated toward the wave.
2,Compression,
pressure thing [U] (Go ahead)
the demonstration of squeezing something into a more modest space or coming down on it from various sides until it gets more modest: Structural powers caused pressure in the world's outside layer.
3,Rarefaction,
At the point when rarefaction happens, the particles in a gas become more fanned out. You might run over this word with regards to sound waves. A sound wave traveling through air is comprised of exchanging areas of higher and lower thickness. The areas of lower thickness are called rarefactions
4,Amplitude,
At the point when rarefaction happens, the particles in a gas become more fanned out. You might go over this word with regards to sound waves. A sound wave traveling through air is comprised of substituting areas of higher and lower thickness. The areas of lower thickness are called rarefactions
The first-order, gas-phase, reversible reactionis taking place in a membrane reactor. pure a enters the reactor, and b diffuses out through the membrane. unfortunately, a small amount of the reactant a also diffuses through the membrane.plot and analyze the flow rates of a, b, and c and the conversion x down the reactor, as well as the flow rates of a and b through the membrane.next, compare the conversion profiles in a conventional pfr with those of a membrane reactor from part (a). what generalizations can you make?would the conversion of a be greater or smaller if c were diffusing out instead of b?discuss qualitatively how your curves would change if the temperature were increased significantly or decreased significantly for an exothermic reaction. repeat the discussion for an endothermic reaction.
Answers
Answer:
Explanation:
the flow would get smaller
The diagram shows a large, eroded rock tower found in Southern Utah.
Which most likely caused the erosion?
C sunlight
O A animals
D. water
B. plants
Answers
the half life of phosphorus-33 is 25 days. How much of a 128 g sample will remain after 140 days?
a) 2.6
b) 2.0
c) 1.0
d) 8.0
Answers
The amount of a radioactive sample remaining after any given time can be calculated using the equation A=A0*(1/2)^n, where A is the amount remaining, A0 is the initial amount, and n is the number of half-lives passed.
In this case, A0 = 128 g, n = 5.6 (140 days / 25 days = 5.6).
A = 128 * (1/2)^5.6 = 2.0 g
What is radioactive?
Radioactive is a term used to describe certain elements that emit radiation, typically alpha and beta particles or gamma rays. These elements are unstable and have excess energy, which they release in the form of radiation to become more stable. Radioactive elements have a variety of uses, such as in medical imaging, smoke detectors, and the production of nuclear energy. Radioactivity is also used in carbon dating and to date geological samples. Radioactive elements can be found in nature, but can also be created artificially in nuclear reactors or particle accelerators. These materials can be dangerous if not handled properly, and long-term exposure to radiation can have serious health consequences.
Therefore, option B is correct.
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Carbon cycle – What are the main reservoirs
of the carbon cycle? Where do the inorganic and organic carbon
cycles interact? What are the major differences and similarities
between the inorganic and organic carbon?
Answers
The main reservoirs of the carbon cycle are the atmosphere, oceans, land (including vegetation and soils), and fossil fuels. In these reservoirs, carbon exists in both inorganic and organic forms.
The inorganic carbon cycle involves the exchange of carbon dioxide (CO2) between the atmosphere and oceans through processes like photosynthesis and respiration.
Organic carbon, on the other hand, is found in living organisms, dead organic matter, and soil organic matter. It is cycled through processes such as decomposition and consumption by organisms. The interactions between the inorganic and organic carbon cycles occur primarily in the biosphere, where photosynthesis converts inorganic carbon into organic carbon compounds. While inorganic carbon is primarily in the form of CO2, organic carbon is present in complex organic molecules. Both forms of carbon play crucial roles in energy transfer, nutrient cycling, and climate regulation.
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Which symptoms are common with cardiac dysrhythmias? Select all that apply.
low blood pressure
fluid buildup in the hands
dizziness
palpitations
headaches
Answers
Answer: low blood, dizziness, and palpitations
Explanation: Im doing the assignment now
a. Who first put elements in a particular kind of order, using cards? b. How many elements did he know about then?
Answers
Answer:
To put some order into his study of chemical elements, Mendeleev made up a set of cards, one for each of the 63 elements known at the time.
Explanation:
Help if u good at science lol:)
Question 11 of 35
What does a meteoroid become when it enters Earth's atmosphere?
O
A. A comet
O
B. A moon
O
C. A meteor
D. An asteroid
Answers
Answer:
D is your answer
Explanation:
Answer:
C: a meteor
Explanation:
Guys please helppp with questions 1,2 and 3
Answers
Answer:
1) B- use the alkene general formula to decide which one is an alkene
2)A
3)D
2. A
3. D
Good luck !
What is the percent toluene in water if 25 mL of toluene is mixed with 525 mL of water?
Answers
According to concept of percent solutions, the percentage of toluene in water if 25 mL volume of toluene is mixed with 525 mL of water is 4.76%.
Percent solution is defined as an easy way to measure concentration of solution.It is an expression which relates the amount of solute to solvent as,mass of solute/mass of solution ×100.Advantages of using percent solutions is that in this concept molecular weight of compound is not required.
It is calculated by substitution of values, 25/525×100= 4.76 %.
Thus, the percent toluene in water if 25 mL of toluene is mixed with 525 mL of water is 4.76%.
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Skeleton equation for lithium bromide produces lithiùm and bromine when heated
Answers
Lithium and bromine are created when lithium bromide is heated, according to the following skeleton equation: \(Li(s) + Br2 = LiBr(s) (g).\)
A skeleton equation is a condensed description of a chemical reaction that only displays the reactants and products—not their quantities or the circumstances under which the reaction takes place—of the process. It is a simple description of the reaction that can be used to pinpoint the components involved and the reaction's overall nature. A skeleton equation, however, does not fully describe the reaction because it does not account for the quantity of atoms or the charges of the ions involved. It is required to balance the equation, take into account the state and charge of each ion, as well as the reaction conditions, in order to completely comprehend the reaction.
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what is the net iconic charge of an oxygen ion?
Answers
The ionic charge of something can be determined by it's place in the periodic table.
What is the name of the compound BaCl2?
Answers
Answer:
barium Chloride (BaCl2)
Which of the following is an example of
positive feedback?
A Regulation of blood glucose levels
B Regulation of body temperature
C Contractions in childbirth
Answers
Answer:
Regulation of body temperature
Explanation:
I’m the _____ state,volume and shape are both definite definite means that those characters and changeable in the _____ common volume and shape or both.
Answers
Answer:
I'm the constant, volume and shape are both definite. Constant means that those characters are not changeable in the same common volume and shape or both.
Why could we see different colors in kaleidoscope lane
Answers
The different colors in Kaleidoscope Lane can be attributed to a mix of colorful objects, reflective surfaces, diverse light sources, and the interaction of colors, creating a visually captivating environment similar to the patterns seen in a kaleidoscope.
The different colors in Kaleidoscope Lane can be seen due to the combination of the following factors:
1. Colorful objects: The lane might be decorated with various colorful items like street art, murals, or decorations, which contribute to the vibrant colors seen in the area.
2. Reflection: A kaleidoscope is an optical instrument that uses mirrors to reflect light and create symmetrical patterns. In Kaleidoscope Lane, reflective surfaces or mirrored installations might be placed to bounce light off and create colorful patterns similar to those seen in a kaleidoscope.
3. Light sources: Different colored lights or filters might be installed in the lane to illuminate the surroundings, which results in a variety of colors being seen.
4. Interaction of colors: As light bounces off multiple surfaces and interacts with various colored objects in the lane, the colors blend and create new combinations, further contributing to the visual spectacle.
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WILL GIVE 20 POINTS AND MARK BRAINLIEST IF YOU ARE RIGHT!!
Fill in the next verse of the song:
I see a little silhouetto of a man ________________
Answers
If moving objects have kinetic energy, do moving atoms kinetic energy?
Answers
Answer:
yes, if they were in rest they would have potential energy
Explanation:
42. Proton and electuron.
Puroton
Electron.
Differences between proton and electron in two points
Answers
Answer:
Protons:
- positive
- aka cation
- in the nucleus along with the neutrons
Electrons:
- negative
- aka anion
- situated in the orbital shells/configuration levels (there are many names)
Can you guys help me out??
I2KI+ Pb(NO3)2---- PbI2+ 2KNO3 is what type of reaction?
* Decomposition
* Replacement
* Synthesis
Answers
________ is the enthalpy change when 1 mole of a substance is formed from its elements under standard conditions.
A. ΔHθc
B. ΔHθn
C. ΔHθf
D. ΔHθa
Answers
The correct answer is C. ΔHθf
We define the standard enthalpy of formation as the enthalpy change when one mole of a substance is formed from its elements under standard conditions. The standard conditions are 1 atm pressure, 273 K temperature and 1 M concentration.
The standard enthalpy of formation is denoted using the symbol ΔHθf.
Hence, ΔHθf is the enthalpy change when 1 mole of a substance is formed from its elements under standard conditions.
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KI + Pb(NO3)2 → Pbl2 + KNO3
This chemical reaction represents the reaction of
potassium iodide (KI) and lead nitrate (Pb(NO3)2) to
form lead iodide (Pbl2) and potassium nitrate (KNO3).
When correctly balanced, the coefficient for lead iodide
will be_________.
Select one:
3
6
2
Answers
The balanced for the reaction is:
2KI + Pb(NO₃)₂ → Pbl₂ + 2KNO₃
When the equation is balanced, the number of atoms for each element on both the reactant and product sides of the equation are equal. This can be seen below:
Reactant Product
K 2 2
I 2 2
Pb 1 1
N 2 2
O 6 6
Q.3 Which the following statements about the given reaction are correct:
3Fe(s) + 4H2O(g)- Fe203 (S) + 4H2(g)
i) Iron metal is getting oxidized
ii) Water is getting reduced
iii) Water is acting as reducing agent
iv) Water is acting as oxidizine agent
a) (i), (ii) and (iii) b)(iii) and (iv)
c) (i), (ii) and (iv) d) (ii) and (iv)
Answers
Answer:
The statements which are correct are;
c) (i), (ii) and (iv)
Explanation:
The chemical equation is presented as follows;
2Fe(s) + 3H₂O(g) → 3Fe₂O₃(s) + 3H₂(g)
Therefore, we have;
i) The iron gains oxygen atoms and therefore gets oxidized
The iron loses 3 electrons each to become oxidized to Fe³⁺ in Fe₂O₃
ii) The water loses oxygen and therefore it is getting reduced
iv) The water donates oxygen and therefore it is acting as the oxidizing agent
The correct options are (i), (ii) and (iv).
why is air referred to as a mixture of gases
Answers
Answer:
Explanation:
air is considered as a mixture of gases because it contains many gases. They are :
78 % Nitrogen
21 % oxygen
And 1 % other gases
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Perform the following operation
and express the answer in
scientific notation.
9.2x10^7 ÷ 3.7x10^9
Answers
Answer:
coefficient green : 2.4865
exponent (yellow) : 16
Explanation:
Please help me in this question?
Answers
The answer is B
Explanation:
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