Explanation:
A. Hydrogen bonding is present in CS2 but not in CO2.
B. CS2 has greater dipole moment than CO2 and thus the dipole-dipole forces in CS2 are stronger.
C. CS2 partly dissociates to form ions and CO2 does not. Therefore, ion-dipole interactions are present in CS2 but not in CO2.
D. The dispersion forces are greater in CS2 than in CO2.
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Which statement(s) correctly compare the masses of protons, neutrons, and electrons? Select two options.
1. Protons and neutrons have similar mass.
2. Protons and electrons have similar mass.
3. Neutrons and electrons have similar mass.
4. Protons are smaller than a neutron or an electron.
5. Neutrons are smaller than a proton or an electron.
6. Electrons are smaller than a proton or a neutron.
Answer:
6 Electrons r smaller than a proton or a neutron
Answer:
1st and last one
Explanation:
how does electron-pair repulsion determine the molecular shape?
Answer:
The shape of a covalent molecule can be predicted using the Valence Shell Electron Pair Repulsion (VSEPR) theory. Very simply, VSEPR theory says that the valence electron pairs in a molecule will arrange themselves around the central atom (s) of the molecule so that the repulsion between their negative charges is as small as possible.
Explanation:
There are two types of chemical compound one is covalent compound and another is ionic compound in chemistry. In ionic bonds, electrons are completely transferred. Electron-pair repulsion play an important role in determining the molecular shape using VSEPR theory.
What is chemical Compound?Chemical Compound is a combination of molecule, Molecule forms by combination of element and element forms by combination of atoms in fixed proportion.
The shape of a covalent molecule can be predicted using the Valence Shell Electron Pair Repulsion (VSEPR) theory. VSEPR theory says that the valence electron pairs in a molecule will arrange themselves around the central atom (s) of the molecule so that the repulsion between their negative charges is as small as possible.
Therefore, electron-pair repulsion play an important role in determining the molecular shape using VSEPR theory.
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The PE of a magnet in the presence of another magnet is related to -
How close the magnets are together and which direction the poles are pointed to
2. Describe the difference between:
(a) a group and a period
Answer:
A group is a vertical row on the periodic table and a period is a horizontal row on the periodic table.
Explanation:
Answer:
A group on the periodic table refers to the vertical arrangement of the elements while a period refers to the horizontal rows of elements
How long should you monitor a person who shows signs of a mild allergic reaction
Answer:
Most reactions occur quickly after ingestion or contact with the allergen, but some can occur up to a few hours later. There can also be a second phase of the reaction when symptoms reoccur. It is important to keep an eye on your child for about 6-8 hours following the first reaction.
Explanation:
How many energy levels does iron have
Answer:
Number of Energy Levels: 4
First Energy Level: 2
Second Energy Level: 8
Third Energy Level: 14
Fourth Energy Level: 2
Explanation:
Hope It Helps!
Answer:
4 energy levels
Explanation:
1st energy level = 2 electrons
2nd energy level = 8 electrons
3rd energy level = 8 electrons
4th energy level = 8 electrons
Help me pls I will mark you as brain
Answer:
I,II and III
Explanation:
Hope this helps :)
Answer:
l and III is the answer.
hope it hepls
when the n quantum number equals 1, we are in what orbital?
Answer:
p orbital
Explanation:
Will the lizard make it to the other side of the road before the car gets there?
yes or no
No not at all because of its size and the amount of speed from the car. then the impact will be bad
why is it important to make measurements using a standard?
A standard unit of measurement is a quantifiable language that helps everyone understand the association of the object with the measurement. It is expressed in inches, feet, and pounds, in the United States, and centimeters, meters, and kilograms in the metric system.
Cho hai điện tích q1 = 2.10-6 C, q2 = 4. 10-6C, đặt tại A và B trong không khí biết AB = 2 cm. Xác định vectơ cường độ điện trường tại:
a) H, là trung điểm của AB.
b) . M, MA = 1 cm, MB = 3 cm.
c) N, biết rằng NAB là một tam giác đều.
Answer:
AExplanation:
sorry try lang baka malihello can anyone help thx
Potassium iodide is an ionic compound.
Describe what happens, in terms of electron loss and gain, when a potassium atom reacts
with an iodine atom.
Answer:
In this reaction, potassium atoms lose electrons to form positively-charged potassium ions (oxidation) and iodine atoms gain electrons to form negatively-charged iodide ions (reduction).
Explanation:
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In this process, iodine atoms get electrons to produce negatively charged iodide ions, whereas potassium atoms lose electrons to form positively charged potassium ions. Oxidation and reduction takes place.
What is oxidation ?Redox reactions include a change in the oxidation state of the substrate. Similar to how reduction is the acquisition of electrons while oxidation is the loss of electrons or an increase in the oxidation state.
An oxidation process takes place when oxygen interacts with a substance or an element. Another way to think of oxidation is as the process of removing hydrogen from the species of reactants. Molecule, atom, or ion oxidation is the process of losing electrons.
Because they generate new functional groups in molecules or alter existing functional groups, oxidation processes are crucial in the synthesis of organic substances.
Thus, the iodine atom also experiences a change. The iodide atom gets one electron during the reaction with potassium, leaving it with eight electrons at its outer energy level.
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Please tell me the answer I will mark you brainliest so please
Answer:
A human cell is best described as typical animal cell.
Using the synopsis of the article, which of the following is a true statement?
Question 1 options:
Scientists determined the Earth has a metallic liquid core and confirmed their theory.
Scientists work independently to form theories about the Earth without sharing data.
Scientists have updated their original models of the Earth’s interior to reflect new discoveries.
Scientists developed an evidence-based model showing the Earth has a solid outer and inner core.
Answer: Scientists work independently to form theories about the Earth without sharing d
Scientists work independently to form theories about the Earth without sharing data.
What is solar system?Solar system is defined as the grouping of the eight planets and their moons in orbit around the sun, as well as other smaller bodies like comets, asteroids, and meteoroids.
It can also be defined as the Sun's orbiting objects are confined by gravity to one system.
An orbiting collection of planets, meteors, or other celestial bodies is referred to as a star system.
The Sun, an ordinary star, the planets Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, and Pluto make up our solar system.
Our solar system is referred to as the "solar system" because our Sun is called Sol after the Latin word for Sun, "solis," and because anything related to the Sun is termed "solar."
Thus, scientists work independently to form theories about the Earth without sharing data.
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the variable part of an amino acid is the __________.
answer: the variable part of an amino acid is the: SIDE CHAIN
HELP ASAP!!!
What is the molarity of 930 mL of LiCl solution that contains 139.9 g of LiCI?
A. 3.5 mol/L
B. 150 mol/L
C. 3.3 mol/L
D. 3.5 x 10-3 mol/L
Explanation:
To determine the molarity, we have to find the number of moles in the volume given, and then extrapolate to find the number of moles that would be in 1 L.
Determine the moles in the given volume
moles of LiCl = mass ÷ molar mass
= 139.9 g ÷ 42.39 g/mol
= 3.30 mol
Find the moles in 1 L
Since 930 mL of LiCl = 3.30 mol
then 1000 mL of LiCl = (3.30 mol × 1000 mL/L) ÷ 930 mL
= 3.55 mol/L
trộn 100ml dung dịch HCL 0.1M với 100ml dung dịch H2SO4 0,05
Which of the flowing painting did Miss meacham set up against the bread counter?
A mixture that you eat with at least 6 compounds in it
Answer:
Coloured candies?
Explanation:
Wavelength whose frequency is 5.00 x10^15
The wavelength of the radiation whose frequency is 5 X 10^15s^-1 is 2.4 X 10^-6 inches, or 60 nanometers.
are protons attracted to neutrons or electrons or both?
Answer:
protons and electrons attract each other.
Explanation:
neutron as no charge, proton and electron are exactly the same size but opposite. ( the opposite charge attract)
The protons possess a positive charge so they attract negatively charged electrons.
What is a proton?A proton can be described as a stable subatomic particle, a symbol with a positive charge of +1e elementary charge. Proton's mass is slightly less than that of a neutron but 1836 times the mass of an electron.
Protons and neutrons are jointly referred to as "nucleons" each with masses of approximately one atomic mass unit. More than one proton can be present in the nucleus of an atom. They give the attractive electrostatic central force which holds the atomic electrons.
The number of protons in the nucleus is referred to as the atomic number and is represented by the symbol Z. Since each element in the modern periodic table has a unique number of protons, its own unique atomic number, determines the chemical characteristics of the element.
As the neutrons are neutral do not carry any charge so the protons do not attract neutrons.
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which taste sensation is produced by amino acids such as aspartic acid and glutamic acid?
Answer:
Savory. Savory taste is caused by amino acids. It's commonly brought on by aspartic acid or glutamic acid. Occasionally, savory is also called “umami” or “meaty.”
Explanation:
Hope this helps.
1) pbo+co-->pb+co2 which type of reaction is this?
a) redox reaction
b) oxidation reaction
c) reduction reaction
d) none of the above
PbO + CO → Pb + CO₂
Oxidation States of the Elements
Reactants Products
Pb +2 0
O -2, -2 -4
C +2 +4
Since the oxidation state/number of Pb decreased, it is being Reduced.
Since the oxidation state/number of C increased, it is being Oxidized.
∴ this is a Redox ReactionIron (II) chloride
Covalent or ionic
Answer:
ionic
Explanation:
Iron(II) chloride, also known as ferrous chloride, is the chemical compound of formula FeCl2. It is a paramagnetic solid with a high melting point. The compound is white, but typical samples are often off-white
Which metalloid has five valence electrons in the fourth electron shell?
antimony
germanium
selenium
arsenic
Answer:
A- antimony
Explanation:
Answer:
A
Explanation:
what happens when a liquid becomes a gas
Answer:
When a liquid changes to gas, the particles absorb heat energy and they start vibrating faster and distance between them increases. On constant vibration, intermolecular forces decrease and particles start moving away from each other and change to gas.
tại sao lại có cầu vồng
Answer:
because of the reflection that the Sun makes on the water after it rained.
bởi vì sự phản chiếu mà mặt trời tạo ra trên mặt nước sau khi trời mưa
Explanation:
PLEASE HELP MEEEEEEEEEEEeeeeeee before mom get home lol anyways..... hi :)
Answer:
GUYS THIS RANDOM GIRL HANNAHJAXON DELETED ALL OF MY ANSWERS AND QUESTIONS ON MY ACCOUNT!!!
Explanation:
What is sliver?
[tex]silver[/tex]
Chemical element
Silver is a chemical element with the symbol Ag (from the Latin argentum, derived from the Proto-Indo-European h₂erǵ: "shiny" or "white") and atomic number 47. A soft, white, lustrous transition metal, it exhibits the highest electrical conductivity, thermal conductivity, and reflectivity of any metal.
Answer:
silver
Explanation:
is a chemical element with the symbol Ag (from the Latin argentum, derived from the Proto-Indo-European h₂erǵ: "shiny" or "white") and atomic number 47.
How much heat is needed to raise a 0.30 g piece of aluminum from 30.C to 150C? The specific heat of aluminum 0.900j/gC
Answer:
hi
Explanation:
What is the main process that happens in the mantle?
Answer:
Mantle convection is the very slow creeping motion of Earth's solid silicate mantle caused by convection currents carrying heat from the interior to the planet's surface. The Earth's surface lithosphere rides atop the asthenosphere and the two form the components of the upper mantle.
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