What does polar means in chemistry?
Answers
In chemistry, "polar" refers to the distribution of electrical charge within a molecule or compound. A polar molecule is one in which the distribution of electrons is uneven, resulting in a slight positive charge on one end of the molecule and a slight negative charge on the other end.
The polarity of a molecule is determined by the difference in electronegativity between the atoms that make up the molecule. Electronegativity is a measure of an atom's ability to attract electrons. Atoms with a high electronegativity will tend to pull electrons closer to themselves, while atoms with a low electronegativity will not. In a polar molecule, the atoms have different electronegativities and therefore the electrons are not shared evenly between them. This results in a partial positive charge on the atom with the lower electronegativity and a partial negative charge on the atom with the higher electronegativity.
For example, water (H2O) is a polar molecule because the oxygen atom has a higher electronegativity than the hydrogen atoms. This causes the electrons in the covalent bond between the oxygen and hydrogen atoms to be pulled closer to the oxygen atom, leaving the hydrogen atoms with a slight positive charge and the oxygen atom with a slight negative charge. This creates a polar molecule where the oxygen atom has a partial negative charge and the hydrogen atoms have partial positive charges.
Polarity can have a significant impact on the behavior of a molecule. For example, polar molecules are more likely to dissolve in polar solvents, such as water, and less likely to dissolve in nonpolar solvents, such as oil. The polarity of a molecule can also affect its reactivity, with polar molecules often reacting differently than nonpolar molecules.
In summary, polar molecules are those in which the electrons are not shared evenly between atoms, resulting in a partial positive charge on one end of the molecule and a partial negative charge on the other end. The polarity of a molecule can affect its behavior, such as its solubility and reactivity.
Here you can learn more about polar molecule
https://brainly.com/question/11405437#
#SPJ11
Related Questions
What is the name of the following chemical compound?
Answers
Answer:
Lead(IV) iodide
Explanation:
Answer:
Plasmid #50548
Explanation:
The compound, P4S10 is used in the manufacture of safety matches. What is its name? 1. phosphorus sulfide 2. phosphoric sulfide 3. phosphorus decasulfide 4. tetraphosphorus decasulfide 5. phosphorus sulfite
Answers
4: tetraphosphorus decasulfide. This compound is used in the manufacture of safety matches because it is a highly reactive substance that ignites when rubbed against a rough surface.
An explanation for why this compound is used in safety matches is that it contains both phosphorus and sulfur, which are two highly reactive elements that can generate a lot of heat and light when they react with oxygen.
When the match is struck against the rough surface, the friction and heat generated cause the tetraphosphorus decasulfide to react with the oxygen in the air, producing a flame that ignites the matchstick.
In summary, tetraphosphorus decasulfide is the compound used in the manufacture of safety matches because of its highly reactive nature and ability to generate heat and light when it reacts with oxygen.
Learn more about oxygen click here:
https://brainly.com/question/26073928
#SPJ11
1. What does each unit on the y-axis
represent?
A. the number of individuals in a sea otter population
B. the breeding season
C. total area in which a population lives
D. mortality rates
Answers
Answer:
The answer is A) the number of individuals in a sea otter population
Four gases are described below.
Gas A: 5 liters at 20 °C
Gas B: 5 liters at 10 °C
Gas C: 5 liters at 40 °C
Gas D: 5 liters at 30 °C
Which gas has the greatest average molecular kinetic energy?
A: Gas A
B: Gas B
C: Gas C
D: Gas D
Answers
Answer:
d
Explanation:
Select the single replacement reaction.
A. Ca(OH)2 + CaO+H20
B. Zn + 2HCl → ZnCl2 + H2
C
H2SO4 + 2NaOH
Na2SO4 + 2H2O
D. 6CO2 + 6H2O → C6H12O6 + 602
Answers
The single replacement reaction in this question is: Zn + 2HCl → ZnCl2 + H2.
WHAT IS A SINGLE REPLACEMENT REACTION?A single replacement reaction is the type of reaction in which one element in a reaction is replaced by another element.
According to this question, the reaction given below is an example of single replacement reaction:
Zn + 2HCl → ZnCl2 + H2This is because hydrogen in HCl is replaced by Zinc element to form zinc chloride.
Learn more about single replacement reaction at: https://brainly.com/question/8625202
Which chemical equation below is balanced to follow the Law of Conservation of Mass?
H2 + Cl2 + HCl
o 2 H2 + Cl2 + 3 HCI
2 H2 + 2Cl2 → 2 HCI
H2 + Cl2 → 2 HCI
Answers
Answer:
Balanced Equation
H₂ + Cl₂ → 2HCI
Answer:
Balanced Equation
H₂ + Cl₂ → 2HCI
Explanation:
i did it and 100%
what is the pH of hydrogen chloride and sodium oxide
Answers
The volume of a gas is 450 mL when its pressure is 1.00 atm. If the temperature of the gas does not change, what is the pressure when its volume is changed to 2.00 L?
Use P Subscript 1 Baseline V Subscript 1 = P Subscript 2 Baseline V Subscript 2.
0.225 atm
0.444 atm
2.25 atm
4.44 atm
Answers
Answer:
0.225 atm
Explanation:
v1=450ml÷1000=0.45l(1l=1000ml)
P1=1
v2=2.00l
p2=?
p1v1=p2v2
p2=p1v1/v2
=1×0.45/2
=0.225
so the answer is first one
This question is based on Boyle's law as temperature is constant. Boyle's law is derived from ideal gas equation only at constant temperature. Thus the pressure calculated is 0.225atm.
What is Boyle's law?
Boyle's law is a law which states that at constant temperature, the pressure that is exerted by an ideal gas on the walls of the container is inversely proportional to the volume occupied that gas.
Ideal gas is a gas where there is no forces of attraction or forces of repulsion between the particles . The volume of container is equal to the volume occupied by the gas.
Mathematically,
Initial condition to final condition
\(P_{1}V_{1} \rightarrow P_{2}V_{2}\)
\(P_{1}\)=1.00atm
\(V_{1}\)=450 mL=0.45l
\(P_{2}\)=?
\(V_{2}\)=2.00L
Substituting all values in given equation
\(P_{1}V_{1} \rightarrow P_{2}V_{2}\\P_{2}=P_{1}V_{1}\div V_{2}\)
\(P_{2}\)=(1×0.45)÷2.00
\(P_{2}\)=0.225atm
Thus the pressure when volume changed to 2.00 is 0.225atm.
To learn more about Boyle's law, here:
https://brainly.com/question/1437490
#SPJ6
What tripeptides would be produced from the partial hydrolysis of ser-leu-gly-gly-ala?
Answers
Three tripeptides would be produced from the partial hydrolysis of ser-leu-gly-gly-ala. These are ser-leu-gly, gly-gly-ala, and leu-gly-gly.
What are peptides?When the amine and carboxylic acid functional groups in amino acids join together to form amide bonds, a chain of amino acid units, called a peptide, is formed.
Peptides are short chains of amino acids usually, containing 2-50 amino acids.
Amino acids are also building blocks of proteins but they usually contain more amino acids.
Peptides are easier to absorb by the body as they are smaller in size.
What is the partial hydrolysis of peptide?Partial hydrolysis of peptides produces a mixture of shorter peptides and some amino acids.
The partial hydrolysis of peptide ser-leu-gly-gly-ala produces three tripeptides which are ser-leu-gly, gly-gly-ala, and leu-gly-gly.
Learn more about peptides:
https://brainly.com/question/1450770
#SPJ4
when considering precise mass, which particle has the greatest mass?
Answers
When considering the precise mass, the particle has the greatest mass is the neutrons.
The Neutron is the heaviest among all the subatomic particles with the mass of the 1.0087 amu, and the proton has the mass of the 1.0073 amu. The Positron and the electron both have the mass of the 0.00055 amu.
The difference in between the mass of the neutron and the proton is very small. This is the reason that they are both have the relative mass of the one atomic mass unit. The mass of the neutron in the grams is the 1.674 × 10⁻²⁴ grams.
To learn more about mass here
https://brainly.com/question/28907859
#SPJ4
Distinguish between haploid and diploid
Answers
When an organism's cells only have one set of chromosomes, the organism is said to be haploid. All organisms that reproduce sexually are diploid (having two sets of chromosomes, one from each parent). Only the egg and sperm cells in humans are haploid.
The term "diploid" describes an organism's cells having two full sets of chromosomes, with one chromosome from each parent present in each pair. Since humans are diploid, the majority of their cells have 23 pairs of chromosomes.
Distinguish between haploid and diploid.
The number of chromosome sets found in the nucleus is the most obvious distinction between haploid and diploid cells. In contrast to diploid cells, which have two sets of chromosomes, haploid cells only have one set.The result of mitotic cell division is the formation of diploid cells. Following meiotic cell division, haploid cells are produced.Since there are two sets of chromosomes, there are two times as many chromosomes overall as there are in haploid cells. In comparison to diploid cells, there are half as many chromosomes because there is only one set present.To know more about haploid and diploid, click on the link below:
https://brainly.com/question/1351575
#SPJ9
Which diagram below represents the following reaction at equilibrium?
A2 + B2 ⇌ 2 AB Kc=4
Pls help, I will give brainliest!
Answers
answer the question.........
mb wrg subject but its biology
Answers
The description of nonpoint source pollution is dirty drainage from city roadways.
The correct option is A.
What is pollution?Pollution describes the presence of substances in the environment that are harmful to the living organisms present in that environment.
Pollution may be classified based on the source of the pollution into:
point source pollution - point source pollution refers to pollution whose origin or source point is easily identifiable such as sewage from homes and industries or smoke from industriesnon-point source pollution - non-point source pollution refers to pollution whose source point is not easily identifiable, rather, it occurs as a result of the runoff or water snow that then carries pollutants from various sources as they flow. For example, after a flood, the flood water carries several pollutants with it as it flows over drainages and the ground.Learn more about nonpoint source pollution at: https://brainly.com/question/1557306
#SPJ1
What is a solution with a pOH value of 2 considered?
a. Neutral
b. Base
c. Salt
d. Acid
Answers
pH = 14 - pOH = 14 - 2 = 12
A pOH of 2 is equivalent to a pH of 12. A pH greater than 7 is basic, and 12 is greater than 7. Therefore, a solution with a pOH of 2 is basic.
Thus, the correct answer choice is B.
what are the colors of metal
Answers
Answer:
brown and silver
Explanation:
If a student measured an object's density to be 2.70 g/mL, 2.32 g/mL, 2.12 g/mL and 3.88, then his results would considered ______The object's actual density is 3.50 g/mL A. Accurate and precise B.Precise but not accurate C. Neither accurate nor precise D.Accurate but precise
Answers
Answer:
C. Neither accurate nor precise
Explanation:
The student's results would be considered precise if they were close to one another. However they vary significantly from one another.Regarding accuracy, they would be considered accurate if they were close to the actual value. The given results are too far away from the actual value.Thus the results are neither accurate nor precise.
When the switch is closed which electrode will attract the sodium ions.
Answers
The electrode connected to the positive terminal of the power source (anode) will attract the sodium ions when the switch is closed, as sodium ions are positively charged and are attracted to the negative electrode.
When the switch is closed, the electrode connected to the positive terminal of the power source (anode) will attract the sodium ions. This is because during electrolysis, positive ions, such as sodium ions (Na+), are attracted to the negative electrode (cathode) due to their opposite charges. The positive terminal of the power source provides an excess of electrons at the cathode, creating a negatively charged environment. As a result, the positively charged sodium ions are drawn towards the cathode and are deposited or reduced there. This process allows for the separation and collection of sodium ions during electrolysis.
Learn more about sodium ions here:
https://brainly.com/question/29853321
#SPJ11
what is the product of carbon dioxide plus water yields carbonic acid?
Answers
Answer:
Aqueous carbon dioxide, CO2 (aq), reacts with water forming carbonic acid, H2CO3 (aq). Carbonic acid may loose protons to form bicarbonate, HCO3- , and carbonate, CO32-
Explanation:
Tell me if im correct :D
Answer:
Explanation:
acid rain?
What is it called when two forms of a trait?
Answers
When two forms of a trait (such as dominant and recessive alleles) are present in an individual's genetic makeup, it is called heterozygous or hybrid.
This means that the individual has inherited different versions of the gene from each parent. In contrast, when an individual has two identical forms of a trait, it is called homozygous.
"Heterozygous" refers to an organism that has two different alleles, or versions of a gene, at a particular genetic locus. One allele is inherited from one parent, while the other allele is inherited from the other parent. For example, if an individual inherits one allele for blue eyes from one parent and one allele for brown eyes from the other parent, they are heterozygous for the eye color gene.
In contrast, an individual who inherits two identical alleles (either two blue or two brown) is homozygous for that gene. Heterozygous individuals may exhibit a dominant trait if one allele is dominant over the other, or a recessive trait if both alleles are recessive.
To know more about heterozygous here
https://brainly.com/question/9577613
#SPJ4
Why does diamond not conduct electricity
Answers
Answer: no free electrons
Explanation: Diamond is very hard due to the strong covalent bonds and rigid tetrahedral 3d arrangement. It does not conduct electricity, as there are no electrons free to move and carry charge through the structure.
How do elements differ going from left to right across a period on the periodic table?
please choose one
They become more valuable.
They become lighter.
They become more radioactive.
Their atomic number increases.
Answers
What is the equilibrium constant for the following reaction?
6.
C+0₂=CO₂
[co₂]
[c] [₂]
O [c]³[₂]
[co₂]
O [co₂]
[c][0₂]
O [c][₂]
[co₂]
Answers
The equilibrium constant of the reaction is [CO₂]/([C][O₂]).
What is equilibrium constant of the compound?
The equilibrium constant for the reaction:
C + O₂ = CO₂
can be written as:
Kc = [CO₂]/([C][O₂])
where;
[CO₂][C], and [O₂] represent the molar concentrations of CO₂, C, and O₂, respectively, at equilibrium.The equilibrium constant Kc depends on the temperature and pressure of the system. At a given temperature and pressure, Kc is constant for a particular reaction, and it indicates the relative amounts of reactants and products at equilibrium.
The actual value of Kc for the given reaction can be determined experimentally, but it is approximately 1.00 x 10^23 at 25°C, which indicates that at equilibrium, the reaction heavily favors the formation of CO₂.
Learn more about equilibrium constant here: https://brainly.com/question/19340344
#SPJ1
what is δn for the following equation in relating kc to kp ? 2 k (s) 2 h2o (l) ⇋ 2 k oh (aq) h2 (g)
Answers
The value of Δn for the given equation in relation to Kc (equilibrium constant) and Kp is 1.
In the given chemical equation,
Two solid potassium (K) react with two liquid water (H2O) to form two aqueous potassium hydroxide (KOH) and gaseous hydrogen (H2) in an equilibrium process.
The change in the number of moles (δn) for the given reaction is equal to the difference in the total number of moles of the product and reactant side.
According to the chemical equation,
Two solid potassium (K) react with two liquid water (H2O) to form two aqueous potassium hydroxide (KOH) and gaseous hydrogen (H2) in an equilibrium process.
Initially, the total number of moles of reactants = 2 moles of K + 2 moles of H2O= 2 moles of K2 + 1 = 5
Total number of moles of products = 2 moles of KOH + 1 mole of H2= 2 moles of K2 + 1 = 5
Total moles of reactants and products = 10
The number of moles of gaseous products = 1, H2
The number of moles of gaseous reactants = 0
Therefore, δn = (number of moles of gaseous products) - (number of moles of gaseous reactants)= 1 - 0= 1
Therefore, δn for the given chemical equation is 1.
Relating Kp and Kc:Kp and Kc can be related to each other by using the following equation:
Kp = Kc (RT)Δn
Where, R is the gas constant (0.082 L atm/K mol),
T is the temperature, and Δn is the difference in the number of moles of gaseous products and reactants.
Kc for the given chemical equation is given by,
Kc = [KOH]2[H2]1/[K]2[H2O]2
Therefore,Δn = (2 + 1) - (2 + 0) = 3
Now, using the above equation,
we haveKp = Kc (RT)Δn= Kc (RT)3
The above equation relates Kp and Kc. Here, Kp can be determined if Kc and Δn are known and vice versa.
Hence, the value of Δn for the given equation in relation to Kc and Kp is 1.
Learn more about equilibrium constant at: https://brainly.com/question/19340344
#SPJ11
What is the pressure of a car tire that had an initial pressure of 33.7 kPa but was
heated from 98.4°C to 110.°C?
Answers
Answer:
34752.6 Pa.
Explanation:
Applying,
P/T = P'/T'............... Equation 1
Where P = Initial Pressure, T = Initial Temperature, P' = Final pressure, T' = Final temperature.
make P' the subject of the equation
P' = (PT'/T).............. Equation 2
From the question,
Given: P = 33.7 kPa = 33700 Pa, T = 98.4°C = (273+98.4) = 371.4 K, T' = (110+273) = 383 K
Substitute these values into equation 2
P' = (33700×383)/371.4
P' = 34752.6 Pa.
What is the mass density of water? what is the weight density of water?
Answers
The mass density of water is 1000 kg/m³ while the weight density of water is 9.8 kN/m³.
How to calculate weight and mass Density of water?
Mass density of a substance is defined as its mass per unit volume.
The mass density of water is the ratio of its mass to its volume.
Mass density of water = mass/volume.
Since 1 kg of water has a volume of 1 liter.
The mass density of water is given as: ρwater = m/V = 1000 kg/m³.
Therefore, the mass density of water is 1000 kg/m³.
Weight density of water is defined as the weight of a unit volume of water.
Therefore, the weight density of water is given as the ratio of the weight of a unit volume of water to the volume.
Weight density of water = weight/volume.
The weight density of water is proportional to the acceleration due to gravity g.
Weight density of water = ρwaterg= 1000 kg/m³ x 9.8 m/s²= 9.8 kN/m³
Therefore, the weight density of water is 9.8 kN/m³.
Learn more about density
brainly.com/question/29775886
#SPJ11
Most alkaline permanent waves have a pH between:
Answers
The alkaline permanent waves have a pH between 9.0 to 9.6.
What are Alkaline permanent waves?Alkaline permanent waves are chemical that is apply to the hair. The alkaline perm makes the hair curly or wavy.
The major ingredient is the ammonium thioglycolate and ammonium hydroxide.
The alkaline permanent wave is alkaline in nature and the pH scale for alkaline substances are higher.
pH of 7 depicts neutrality while pH of 7 and above depicts alkalinity.
Therefore, alkaline permanent waves have a pH between 9.0 to 9.6.
learn more on alkaline permanent waves here: https://brainly.com/question/19756877
#SPJ12
How do I convert μg/l to mol/kg?
Answers
Answer
To convert μg/l to mol/kg?
Step 1: from the mass in grams, find the number of moles by diving the mass by its molar mass
Step 2: To go from L to kg, take the volume given multiply it by density in kg/L
What is the theory that describes the movement of landmasses on Earth’s surface?
Answers
Answer:
Continental Drift by Alfred Wegener
Earth's landmasses are in constant motion due to plate tectonics.
Hope this helps :)
plz help for braniliest
Answers
Answer: i think b.
Explanation:
Please help me quick I have to get this right
the following question represents a
A)-weak acid
B)-strong acid
C)-weak base
D)-strong base
Answers
Answer:Any acid that dissociates 100% into ions is called a strong acid. If it does not dissociate 100%, it is a weak acid.
Explanation:acid. (d) Water can act as a Brønsted-Lowry base. ... (b) Give the conjugate acid of the following Brønsted-Lowry bases: ... 16.21 Label each of the following as being a strong base, a weak base, or a species with ... (C) NH Weak base, Netyt is a weak acid ... CHz Lo0H is stronger acid than Hys, so equilibrinus lies to right.