Which molecule contains covalent bonds that are highly polar when considered individually, but has a molecular shape that results in a nonpolar compound overall?
Answers
A molecule that contains covalent bonds that are highly polar when considered individually, but has a molecular shape that results in a nonpolar compound overall is a CO2 molecule.
A CO2 molecule has two polar carbon and oxygen bonds due to more electronegativity of oxygen. But as a whole the molecule is non-polar due to the arrangement of the surrounding atoms in space.
The oxygen forms two covalent bonds with carbon atom and still has two lone pairs. Due to the repulsion received by lone pairs it acquires a linear symmetrical geometry in space thus resulting in a nonpolar molecule.
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Related Questions
FILL THE BLANK. ibm's watson utilizes a massively parallel, text mining–focused, probabilistic evidence-based computational architecture called ________.
Answers
IBM's Watson utilizes a massively parallel, text mining-focused, probabilistic evidence-based computational architecture called DeepQA.
IBM's Watson utilizes a massively parallel, text mining-focused, probabilistic evidence-based computational architecture called DeepQA.
IBM's Watson utilizes a massively parallel, text mining-focused, probabilistic evidence-based computational architecture called DeepQA.
IBM's Watson utilizes a massively parallel, text mining-focused, probabilistic evidence-based computational architecture called DeepQA.
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What are the 4 bases of DNA in order?.
Answers
As we know DNA is responsible for the information to be passed from one generation to the next.
Molecule inside the cells containing the genetic information which is responsible for the development and function of an organism is DNA.
DNA or Deoxyribo Nucleic Acid is made up of two polynucleotide chains coiled around each other to form a double helix structure.
It carries the genetic instructions for the development of organisms
that helps in functioning, growth and reproduction of all known organisms and many viruses.
If we look into the structure of DNA, it is a cyclic Ribose sugar that is attached to phosphate group in one side and a nitrogenous base other side as shown in figure.
The four nucleotides, or nitrogenous bases, in DNA are:
Adenine (A),
Cytosine (C),
Guanine (G), and
Thymine (T).
These bases form pairs such that, A with T, and G with C.
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A student in a lab holds an iron nail over an open flame, and no reaction occurs. The nail is then filed, creating small pieces of iron shavings. These pieces burn brightly when placed over an open flame. Which statement accurately identifies one of the changes that occurs as a physical or chemical change?
A. Burning the iron filings is a chemical change because the composition of the material does not change but the general appearance of the iron does change.
B. Burning the iron filings is a physical change because the composition of the material does not change but the general appearance of the iron does change.
C. Filing the nail is a chemical change because the composition of the material does not change but the general appearance of the iron does change.
D. Filing the nail is a physical change because the composition of the material does not change but the general appearance of the iron does change.
PLEASE HELP ITS URGENT 20 POINTS!!!!!!!!!!!!!!!!!!!!!!!
Answers
While burning iron shavings results in a chemical change, the formation of little particles of iron shavings is a physical change.
Small bits of iron shavings being formed are an example of a physical change because they can be transformed back into nails, whereas small pieces of iron shavings being burned on a flame are an example of a chemical change since they cannot be transformed back into their original shape. Chemical change is a change in matter that modifies the chemical properties of the substance as opposed to physical change, which modifies the matter's physical characteristics.
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What are the similarities in the chemical formula?
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Chemical similarity (or molecular similarity) is the likeness of chemical elements, molecules, or chemical compounds in terms of either structural or functional features, i.e. the impact that the chemical substance has on reaction partners in inorganic or biological environments.
What parallels exist between the empirical and molecular formulas?The empirical formula of a molecular simplification is defined as the lowest ratio of atoms. The empirical formula and the molecular formula are therefore connected. The information about the elements contained in a molecule and their ratios is provided by both the molecular formula and the empirical formula.
While a compound's structural formula provides the same information as its molecular formula, it additionally reveals the atoms' connections inside the molecule.
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a solution with a pH of 4.6 is a:
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Which best describes two ways in which hydrogen is involved in photosynthesis?
O1-Hydrogen is stored in leaves of plants.
2-Hydrogen combines with carbon dioxide to make glucose.
O1-Hydrogen is stored in leaves of plants.
2- Hydrogen combines with oxygen to make water.
O 1-Hydrogen enters plants as a component of water.
2-Hydrogen combines with carbon dioxide to make glucose.
O1-Hydrogen enters plants as a component of water.
2- Hydrogen combines with oxygen to make carbon dioxide.
Answers
Answer:
1- Hydrogen enters plants as a component of water.
2-Hydrogen combines with carbon dioxide to make glucose.
Explanation:
Hydrogen enters the plant bonded with Oxygen as water (H2O).
The water molecule splits and the Hydrogen combines with carbon dioxide to make glucose.
Answer:
1 - Hydrogen enters plants as a component of water.
2 - Hydrogen combines with carbon dioxide to make glucose.
Explanation:
What was the significance of Daniel Burham’s Plan of Chicago?
Answers
Help fast... thanks I’ll give you brainliest
Answers
Answer:
Graph E matches description 3 (the car is accelerating).
Explanation:
When the graph increases, the line is turned up (graph E). So when something accelerates, it is going to increase. In this case, it would increase by speed.
Identify reagents that can be used to convert acetylene into trans-3-hexene.
A 1) excess NaNH2; 2) excess CH3CH2l; 3) Na, NH3 (liq) B 1) NaNHz; 2) CH3CH2l; 3) NaNH2; 4) CH3CH2l; 5) Na, NH3 (liq) C 1) NaNH2; 2) CH3CH2l; 3) NaNH2; 4) CH3CH21; 5) H2, Lindlar's catalyst D 1) NaNH2; 2) CH3CH2l; 3) NaNH2; 4) CH3CH21; 5) NaNH2
Answers
The correct reagent sequence that can be used to convert acetylene into trans-3-hexene is:
C) 1) \(NaNH_2\); 2) \(CH_3CH_2I\); 3) \(NaNH_2\); 4) \(CH_3CH_2OH\); 5) \(H_2\), Lindlar's catalyst
The conversion of acetylene into trans-3-hexene involves the partial reduction of the triple bond to a double bond, followed by the addition of two hydrogen atoms to the double bond to form a trans-alkene. The reduction must be selective to produce a trans alkene, and this can be achieved by using Lindlar's catalyst.
The first \(NaNH_2\) will deprotonate the acetylene to form an acetylide anion, which will react with \(CH_3CH_2I\) to form a vinyl anion. The second \(NaNH_2\) will further deprotonate the vinyl anion to form a trans-2-alkene. The subsequent addition of \(CH_3CH_2OH\) will form a ketone intermediate, which will undergo hydrogenation using Lindlar's catalyst to produce the desired trans-3-hexene.
In option A, the excess \(NaNH_2\) will deprotonate the acetylene to form an acetylide anion. However, the subsequent reaction with excess \(CH_3CH_2I\) will lead to the formation of a different alkene, not trans-3-hexene.
Option B involves multiple steps that do not lead to the desired product.
Option D is similar to option A and will not produce trans-3-hexene.
Therefore, option C is the correct answer.
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What happens to glucose in the body of a healthy person put steps
Answers
Answer:
the stomach and small intestine absorb the glucose and then release it into the bloodstream once in the bloodstream glucose can be used immediately for energy
This is for people who have siblings.
How would you fell if you just got a call and it said that your sibling has been shot in a drive by. And only has a 50% chance making it bc of where they got shot.
Answers
Answer:
mannn i told that little brat to stop taking the goldfish outta the box because i want them so he better hope he dies cuz if he dosent imma shove these goldfish down his throat ~respectfully~
Explanation:
Which of the energy profiles show the effects of a catalyst on the rate of the reaction?
Answers
The energy profile with a catalyst should show a lower Activation energy and a faster rate of reaction compared to the profile without a catalyst.
The energy profile with a catalyst should show a lower activation Energy and a faster rate of reaction compared to the profile without a catalyst.
A catalyst is a substance that increases the rate of a chemical reaction without being consumed itself. In terms of energy profiles, a catalyst can lower the activation energy required for the reaction to occur, which results in a lower energy transition state.
This means that the reactants can more easily overcome the energy barrier and form products, resulting in a faster rate of reaction.
To determine which energy profiles show the effects of a catalyst on the rate of the reaction, we need to compare the profiles with and without a catalyst.
In the profile with a catalyst, the activation energy should be lower and the reaction should proceed faster, with a steeper slope indicating a higher rate of reaction.
Therefore, the energy profile with a catalyst should show a lower activation energy and a faster rate of reaction compared to the profile without a catalyst.
The presence of a catalyst can also be identified by comparing the activation energy of the catalyzed and uncatalyzed reactions, with the former being lower. By analyzing the energy profiles, we can clearly see the effects of a catalyst on the rate of the reaction.
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Note the full question is
Which of the energy profiles show the effects of a catalyst on the rate of the reaction?
A) lower Activation
B) higher Activation
C) medium Activation
What is the term for the number of protons in the nucleus of each atom of an element?
Answers
Answer:
atomic number
Explanation:
atomic number is the number of protons
Can someone help me?
Which element would have the lowest electronegativity?
an element with a large number of valence electrons and a small atomic radius
an element with a large number of valence electrons and a large atomic radius
an element with a small number of valence electrons and a large atomic radius
an element with a small number of valence electrons and a small atomic radius
Answers
Answer:
an element with a large number of valence electrons and a large atomic radius
Explanation:
Electronegativity means a tedency when an atom attracts bonding electrons in a covalent bond situation.
» If an atom has many valency electrons [ empty orbitals in outermost shell ], it has difficulty in attracting electrons hence electronegativity low.
» If an atom is large, its nuclear attraction force of incoming electrons is low hence low electronegativity.
\(.\)
The element that would have the lowest electronegativity is an element with a small number of valence electrons and a large atomic radius.
Both electronegativity and atomic radius are periodic trends. Electronegativity increases across the period while atomic radius decreases across a period.
An element that has a small number of valence electrons and a large atomic radius will most likely be a metal hence it will have the lowest electronegativity.
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Carbon exists in many forms on Earth. The diagram below shows part of the carbon cycle. What is happening in Step 1? *
1 point
Captionless Image
Animals are decomposing and releasing carbon into the soil.
Animals are breaking down organic molecules and releasing carbon dioxide into the atmosphere.
Animals are releasing energy into the environment and storing carbon.
Animals are converting carbon dioxide from the atmosphere to oxygen.
Answers
The first step of carbon cycle is animals are breaking down organic molecules and releasing carbon dioxide into the atmosphere.
What is a carbon cycle?Carbon cycle completes into four steps: photosynthesis, decomposition, respiration, and combustion.
In the first step, carbon enter the environment by respiration, and in the second step, carbon dioxide is consumed by plants.
Thus, the correct option is B.
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Earth is in constant motion. It rotates once every 24 hours, which causes day and night.
Earth also orbits the Sun once every year. During Earth's orbit, different parts of Earth experience different seasons. For example, the model below shows Earth at a point in its orbit when it is winter in the Northern Hemisphere and summer in the Southern Hemisphere.
Answers
Answer: what is the question
Explanation:
how many moles are in 100.0 g of gold?
Answers
Answer:
196.96655
Explanation:
The answer is 196.96655. I assume you are converting between grams Gold and mole. The molecular formula for Gold is Au. The SI base unit for the amount of substance is the mole.
The quantity present in an atom or molecules of a given substance is called moles it is written as mol and is calculated with the help of molar mass and mass of the given substance.
0.507699 mol is present in the 100 gm of gold.
Moles of gold can be calculated by:Given,
Mass (m) = 100 gmThe atomic weight of Au (M) = 196.967The formula for calculating moles is:
\(\rm Moles (n) = \dfrac{Mass}{Molar \;mass}\)
Substituting values in the formula:
\(\begin{aligned}\rm n & = \dfrac{100}{196.967}\\\\ & = 0.507699 \;\rm mol\\\\& = 0.5077\;\rm mol\end{aligned}\)
Therefore, 0.5077 mol is present in 100 gm of gold.
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How many moles of Iron (II) oxide are present in a 34.5 gram sample?
Answers
Answer:
0.609 Is the answer.
Explanation:
I hope this helped
a weak species is titrated with a strong acid or base. was the species a weak acid or a weak base and what is the corresponding pka or pkb?
Answers
If a weak species is titrated with a strong acid, the species is likely a weak base. Conversely, if a weak species is titrated with a strong base, the species is likely a weak acid.
During the titration of a weak base with a strong acid, the pH of the solution will decrease as the acid is added, and the base will be neutralized. The equivalence point of the titration will occur when all of the base has been neutralized, and the pH of the solution will be equal to the pH of the conjugate acid of the weak base. The pKa of the weak base can be calculated from this pH using the Henderson-Hasselbalch equation:
pKa = pH + log([A-]/[HA])
where [A-] is the concentration of the conjugate base and [HA] is the concentration of the weak acid.
Similarly, during the titration of a weak acid with a strong base, the pH of the solution will increase as the base is added, and the acid will be neutralized. The equivalence point of the titration will occur when all of the acid has been neutralized, and the pH of the solution will be equal to the pKb of the conjugate base of the weak acid. The pKb can be calculated from this pH using the equation:
pKb = pKw - pKa
where pKw is the ionization constant of water (pKw = 14.0 at 25°C).
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Which detail supports the main idea Bats are useful to humans?
Bats often live in large colonies in caves and under bridges.
Bats are the only mammal that truly flies.
Bats eat hundreds of mosquitoes and other annoying insects at night.
Some bats carry rabies, a deadly virus.
Answers
Answer:
Bats eat hundreds of mosquitoes and other annoying insects at night.
How many molecules of sucrose are
in 205 g C12H22011?
(C12H22O11, 342.34 g/mol)
[?]
[? ]×10¹²] molecules C12H22O11
Coefficient (green) Exponent (yellow)
I
Enter
![How many molecules of sucrose arein 205 g C12H22011?(C12H22O11, 342.34 g/mol)[?][? ]10] molecules C12H22O11Coefficient](https://i5t5.c14.e2-1.dev/h-images-qa/contents/attachments/xUVlnD0XEv7SiayMuMz6Wk6bNujV69a4.png)
Answers
To begin with, sucrose is C12H22O11. Additionally, we must determine how many moles of sucrose there are in a pound of sucrose:
The moles of sucrose are 454g, 342.30g, mol1, and 1.33mol.
Is sucrose a good sugar to use?
Brief Summary According to a University of California, Davis study that was published in the Journal of Clinical Endocrinology and Metabolism, sucrose, the more "natural form of sugar," may be just as harmful to your health as HFCS.
Is sugar a healthy food?
Your body only receives sugar when you consume sucrose like soda or candy, and typically too much of it. The threat is present here. You run the risk of major health problems if you consume too much added sugar (fructose or sucrose) in your diet.
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Ch19: For the following reactionCH3CH2OH(l) +O2(g) --> CH3CO2H(l) + H2O(l) the standard free energy change, ΔG° = -450kJ. Calculate the equilibrium constant, K, for this reaction
Answers
The equilibrium constant (K) for the given reaction is approximately 5.5 × 10^77. This suggests that the reaction strongly favors product formation at equilibrium, given the large value of K.
The relationship between the standard free energy change (ΔG°) and the equilibrium constant (K) for a reaction is given by the following equation:
ΔG° = -RT ln(K)
where R is the gas constant (8.314 J/mol·K), T is the temperature in Kelvin, and ln is the natural logarithm.
To calculate the equilibrium constant for the given reaction, we need to rearrange the equation as follows:
ln(K) = -ΔG°/RT
Substituting the given values into the equation, we get:
ln(K) = -(-450,000 J/mol) / (8.314 J/mol·K × 298 K)
ln(K) = 178.8
Taking the exponential of both sides, we get:
K = e^(ln(K))
K = e^(178.8)
K ≈ 5.5 × 10^77
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If you shine the world’s brightest flashlight at a black hole, will the light shine through the black hole, or will the black hole consume the light?
Answers
yes the flaslight would beconsumed by the black hole. So yeah
Explanation:
Answer:
if you were to aim a powerful-enough flashlight at the Moon right now, the light would reach it in a little more than a second—maybe before you got to the end of this sentence. . If you aimed your flashlight in its direction, toward the constellation Sagittarius, the light would arrive there sometime around the year 3600.
Explanation:
a chef fills a 50 ml container with 80 g of cooking oil. what is the density of the oil
Answers
Answer:
1.6 g/mLExplanation:
The density of a substance can be found by using the formula
\(density = \frac{mass}{volume} \\\)
From the question we have
\(density = \frac{80}{50} = \frac{8}{5} \\ \)
We have the final answer as
1.6 g/mLHope this helps you
Which element has higher electronegativity: Nitrogen or Arsenic
Answers
Answer:
Definetly Nitrogen
Explanation:
Nitrogen is the most electronegative
does a fish's scales shred as the fish grows larger
Answers
Answer: No.
Explanation: Unless a disaster happens to their environment their scales will only grow.
What is the molecular formula for a compound that is 33.38% sulfur and 66.62% oxygen and has a molar mass of 192.14g?
What is the molecular formula for a compound that is 26.37 % carbon, 5.541% hydrogen, 52.70 % oxygen and 15.38% nitrogen and has a molar mass of 182.16g?
Answers
Explanation:
HOPE IT WILL HELP YOU TO SOLVE YOUR PROBLEM
The molecular formula for a compound that is 33.38% sulfur and 66.62% oxygen and has a molar mass of 192.14 g is SO₄, and the molecular formula for a compound that is 26.37% carbon, 5.541% hydrogen, 52.70% oxygen, and 15.38% nitrogen and has a molar mass of 182.16 g is C₉H₈NO₃.
What is the significance of the molecular formula?The molecular formula of a compound is a way to represent the number and types of atoms that make up a molecule and is used to identify and distinguish between different compounds, which is important in chemistry and biochemistry as it can help predict the compound's physical and chemical properties.
Hence, the molecular formula for a compound that is 33.38% sulfur and 66.62% oxygen and has a molar mass of 192.14 g is SO₄, and the molecular formula for a compound that is 26.37% carbon, 5.541% hydrogen, 52.70% oxygen, and 15.38% nitrogen and has a molar mass of 182.16 g is C₉H₈NO₃.
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"As a 14-carbon fatty acid is oxidized in mitochondria; Blank 1β-cycles are performed, and Blank 2 acetyl-CoA molecules are produced." Fill the blanks with the correct numbers. Blank 1 Add your answer Blank 2 Add your answer
Answers
As a 14-carbon fatty acid is oxidized in mitochondria; 7 β-cycles are performed, and 8 acetyl-CoA molecules are produced.
The β-oxidation of fatty acids is a process that takes place in mitochondria. Fatty acids are oxidized by the stepwise removal of two-carbon units in the form of acetyl-CoA. The fatty acids are first activated in the cytoplasm by combining with coenzyme A (CoA) to form a fatty acyl-CoA. Acyl-CoA is transferred to the mitochondrial matrix by carnitine. The CoA is released again in the mitochondrial matrix, and β-oxidation takes place there. The β-oxidation pathway occurs in four successive steps.
The initial step is the oxidation of the fatty acid to an enoyl-CoA, which is then hydrated to β-hydroxyacyl-CoA. The β-hydroxyacyl-CoA is then oxidized again to a β-ketoacyl-CoA and eventually cleaved to acetyl-CoA and a shortened fatty acyl-CoA, which undergoes the next round of the cycle.
In a 14-carbon fatty acid, seven such cycles would be required to convert it into seven acetyl-CoA molecules, each consisting of two carbons. These acetyl-CoA molecules may be used in the citric acid cycle to produce ATP via oxidative phosphorylation.
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Use the diagram to answer Question 3.
3. How are the bones in the fin structure of the
Tiktaalik evidence of a transition from fish to
amphibian? Select all that apply.
A. It has fins like a fish.
B. It has limb bones like an amphibian.
C. It is older than fish fossils.
D. The limb bones do not look as developed as
they do in the amphibian.
Answers
D. The limb bones do not look as developed as
they do in the amphibian.
Answer:
it has fins like a fish
Explanation:
because it has a fin bone
Ngawang has 5.6X10²⁴atoms of helium gas to fill balloons at a ball game.If each balloon holds 1.5 litres of helium, how many balloons can the fill? Assume STP.
Answers
We must first convert the amount of atoms of helium to moles in order to solve this issue. This much helium gas can be used by Ngawang to fill about 14 balloons at STP.
A petrol is what?Along with liquids, solids, and plasmas, gases are among the four basic states of matter. Gases are made up of atoms or molecules that are constantly moving and spaced far apart from one another. Gases, in contrast to solids and liquids, do not have a set shape or volume and always fill their container to the top.
In addition to other characteristics like density, viscosity, and compressibility, gases can be classified according to their volume, pressure, and temperature. Additionally, they can change physically and chemically through processes including expansion, compression.
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