The characteristics of two unknown intermolecular forces, X and Y, are compared in the table.
Intermolecular Forces
х
Y
Occurs between molecules with instantaneous dipoles Occurs between molecules with permanent dipoles and ions
Which of the following conclusions about the two intermolecular forces is correct?
X represents London dispersion forces, and Y represents ion-dipole forces.
X represents dipole-dipole forces, and Y represents ion-dipole forces.
X represents hydrogen bonding, and Y represents dipole-dipole forces.
X represents London dispersion forces, and Y represents dipole-dipole forces.
Answers
Answer:
X represents London dispersion forces, and Y represents ion-dipole forces.
Explanation:
London forces occurs between molecules that are normally non-polar (electrically symmetric). It arises from instantaneous dipoles in molecules. It occurs in all substances.
Permanent dipoles are caused by non-symmetric electron distribution in molecules leading to a permanent dipole in the molecule such as in HCl. Interaction between the permanent dipole in these molecules and an ion is called ion-dipole interaction.
Hence; X represents London dispersion forces, and Y represents ion-dipole forces.
X represents London dispersion forces, and Y represents ion-dipole forces.
London forces:
London forces occurs between molecules that are normally non-polar (electrically symmetric). It arises from instantaneous dipoles in molecules. It occurs in all substances.For example: F₂, I₂Ion-dipole forces:
Permanent dipoles are caused by non-symmetric electron distribution in molecules leading to a permanent dipole in the molecule such as in HCl. Interaction between the permanent dipole in these molecules and an ion is called ion-dipole interaction.For example: sodium ion [tex](Na^+)[/tex]and water molecule[tex](H_2O)[/tex]Hence; X represents London dispersion forces,
and Y represents ion-dipole forces.
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Related Questions
When 2.0 g copper is heated with an excess of sulfur, copper (I) sulfide is the product. What is the mass of the copper (I) sulfide produced? (mass to mass)
Answers
Answer: Mass is 2.50 g
Explanation: reaction 2 Cu + S ⇒ Cu2S
Amount of Cu = m/M = 2.00 g /63.55 g/mol= 0.03147 mol
Amount of Cu2S = 0.5 n(Cu) = 0.01574 mol
M(Cu2S)= 159.17 g/mol, m = n·M
Your mommy buys you a helium balloon at the circus. It has a volume of 4.00 liters at STP. What mass of helium, expressed in grams, does this balloon contain?
Answers
Answer:
I believe it will still be 4.00
Explanation:
0.714g of Helium is contained in the balloon
What is STP?STP stands for standard temperature and pressure. STP refers to a specific pressure and temperature used to report on the properties of matter.
According to IUPAC( International Union of Pure and Applied Chemistry), it is defined as -
Temperature of 0 degree celsius (273K)Pressure of 1 atmIt is generally needed to test and compare physical and chemical processes where temperature and pressure plays an important role as they keep on varying from one place to another.
One mole of a gas under STP conditions occupies a volume of 22.4L.
Given,
Volume = 4L
1 mole of a gas occupies 22.4L of volume at STP.
Thus, 1L of a gas occupies = 1 / 22.4 moles
so, 4 L will occupy = 4 / 22.4 moles
= 0.178 moles
Moles = mass / atomic mass
Mass = moles × atomic mass of He
= 0.178 × 4
= 0.714g
Therefore, 0.714g of Helium is contained in the balloon.
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dlaczego emaliowane garnki rdzewieją w miejscach uszkodzenia emalii
Answers
Answer:
Explanation: I don’t even know what you said
Answer:
so basically
Explanation:
bsuxnssu hhusnn ji
How do stars, like the sun, produce energy?
• Answers MUST include:
○ how the energy is produced AND the kinds of energy produced.
Answers
Answer:
The sun, like all stars, is able to create energy because it is essentially a massive fusion reaction. Technically known as nuclear fusion, this process releases an incredible amount of energy in the form of light and heat.
Types of energy produced: Stars produce energy from nuclear reactions, primarily the fusion of hydrogen to form helium.
Explanation:
hope this helped :D
In the compound AbO3, the ratio of aluminum to
oxygen is
A) 3 moles of aluminum to 2 moles of oxygen
B) 2 moles of aluminum to 3 moles of oxygen
C) 2 grams of aluminum to 3 grams of oxygen
D) 3 grams of aluminum to 2 grams of oxygen
Answers
Answer:
c
Explanation:i got it right ony my test
Convert 3.5x1025 molecules of Co, to
moles,
Answers
Answer:
Convert 3.5x1025 molecules of Co, to
moles,
Explanation:
What was the lowest extent of sea ice in the data, and when did it occur?
Answers
Answer:5 1/2. occurred the other day i think
Explanation:
During _____________ there are 24 hours of daylight at the North Pole.
summer
winter
spring
Answers
Answer:
summer
The North Pole stays in full sunlight all day long throughout the entire summer (unless there are clouds)
Answer:
summer
Explanation:
hope this helps :)
5. Which of the following materials
evaporates most quickly?
O MEK
O methanol
acetone
Answers
Answer: acetone
Explanation: Acetone has the weakest intermolecular forces, so it evaporated most quickly. Water had the strongest intermolecular forces and evaporated most slowly.
Compound Q decolorizes bromine water. Compound Q has two carbon atoms in each molecule. Which statement about compound Q is correct?
a) It contains carbon-hydrogen double bonds.
b) It has six hydrogen atoms per molecule.
c) It has two carbon-carbon double bonds.
d) It is produced by cracking alkanes.
Answers
Explanation :
Alkene decolorizes water so it has a C=C
The statement " It has two carbon-carbon double bonds" is correct. because Q is a kind of unsaturated hydrocarbon.
What is unsaturated hydrocarbon?
The type of compound which contain double bond or triple bond can be considered as unsaturated hydrocarbon. Unsaturated hydrocarbon can decolorized bromine water.
Two kinds of unsaturated hydrocarbon will obtain, alkene and alkyne.
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PLEASE HELP ME ASAP
Answers
What are the products of the following neutralization reaction (No need to balance)
HCI + NaOH --> ??? + ???
A.)H20+NaCl
B.)HNa+CIOH
C.)H20+CINa
D.)NaH+HOCI
Answers
HCI + NaOH --> NaCl + H2O
Neutralization reaction is the reaction between acid and base which results in formation of salt and water. Here salt is NaCl (common salt) in above reaction.
SO, (A) H20 + NaCl is your answer.
-Define what petroleum is, explain how it forms, and
what it is used for today.
-Define what natural gas is, explain how it forms, and
what it is used for today.
Answers
Answer:
Petroleum, also called crude oil, is a fossil fuel.
petroleum was formed from the remains of ancient marine organisms, such as plants, algae, and bacteria
Petroleum products include transportation fuels, fuel oils for heating and electricity generation, asphalt and road oil, and feedstocks for making the chemicals, plastics, and synthetic materials that are in nearly everything we use
13. "The business of America is business.” — President Calvin Coolidge.
By making this statement, President Coolidge was expressing his support for
a. higher taxes on corporations.
b. banking regulations.
c. democratic socialism.
d. laissez-faire capitalism.
Answers
Answer:
Answer isA higher taxes on corporations
I hope you like itIs a animal searching for water a stimulus or response
Answers
Answer:
response I believe
Explanation:
i'm pretty sure it's a response cause it's the animal responding to needing water and being thirsty
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Which is an essential characteristic of any mineral? A.Liquid B. Artificially manufactured C. Crystal structure D. Formed from organic processes
Answers
Answer:
Crystal structure
Explanation:
This is because minerals are organic or inorganic substances found naturally on the Earth and there are ordered substances at with atomic or molecular level. They are solid at normal Temperature. They have defined chemical composition and also have crystal structures.
How many mL of HCI, 0.1 M, will you need to prepare 0.700 L of HCL, 0.025 M?
Answers
Answer:
I think you mean 0.025 M and this is the answer
Explanation:
A student is shown a simple model of particles that make up a liquid, as shown
su
How should the model be changed to show the particles of a liquid at a higher temperature?
o
A. Separate the particles into positive and negative charges, and increase the space between the particles
B. Separate the particles into positive and negative charges, but maintain the same space between the particles
C Decrease the velocities of the particles, and decrease the space between the particles.
D. Increase the velocities of the particles, but maintain the same space between the particles.
Answers
Explanation is in a file
bit.[tex]^{}[/tex]ly/3a8Nt8n
what is an electromagnetic wave PLEASE ILL GIVE 15 POINTS AND BRAINLESt
Answers
[tex]An \: electromagnetic \: wave can \: travel \: through \: anything \:[/tex]
[tex] - be \: it \: air, \: a \: solid \: material \: or \: vacuum. [/tex]
[tex] It \: does \: not \: need \: a \: medium \: to \: propagate \: [/tex]
[tex]or \: travel \: from \: one \: place \: to \: another[/tex]
An electromagnetic wave can travel through anything - be it air, a solid material or vacuum. It does not need a medium to propagate or travel from one place to another
if it helps don't forget to like and mark me
if you put the wrong answer i report
Answers
Answer:
the answer is 5 degree
Explanation:
what is aqua regia solution ?
Answers
Answer:
Aqua regia is a corrosive, fuming yellow solution that is a 1:3 mixture of concentrated nitric and hydrochloric acids.
Aqua regia is a mixture of hydrochloric acid (HCl) and nitric acid (HNO3) at a ratio of either 3:1 or 4:1. It is a reddish-orange or yellowish-orange fuming liquid. The term is a Latin phrase, meaning "king's water". The name reflects the ability of aqua regia to dissolve the noble metals gold, platinum, and palladium.
Glaciers contain most of the freshwater on earth. True or false! Please help me out
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plz help its due today!!!
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Answer:
Explanation: First one is Purple, purple, White.
Hairy, Hairy, Non hairy.
Answer:
Any dominant trait (capital letter) will dominate the recessive trait (lowercase letter)
Explanation:
Any letter combo with the dominant trait will have that dominant trait. The only time the recessive trait will come through is if it is a double lowercase letter. Ex. PP=purple flower Pp= Purple flower and pp= white flower
Which are bundles of cells in the lungs that take in oxygen?
A) Alveoli
(B) bronchi
(c) nostrils
d) tranchea
Answers
Answer:
Which are bundles of cells in the lungs that take in oxygen? Alveoli.
Explanation:
Answer option A is correct. Hope you have a great day.
When ethylene glycol (an antifreeze) is added to water,
the boiling point of the water
A) decreases, and the freezing point decreases
B) decreases, and the freezing point increases
C) increases, and the freezing point decreases
D) increases, and the freezing point increases
Answers
Explanation:
the answer is D they both increase
When ethylene glycol (an antifreeze) is added to water, the boiling point of the water increases, and the freezing point decreases.
What is antifreezer?Antifreezers are the substance which on mixes with any other compound will decreases the freezing point of that compound.
When we add ethylene glycol which is an antifreeze substance in the water then depression in freezing point takes place but at the same time elevation in boiling point also happen, because they had a great attraction force within themselves.
Decresing in boiling point and freezing point is wrong.Decreasing in boiling point and increasing in freezing point is also wrong.Increasing in boiling point and freezing point is also not possible.Hence increasing in boiling point and decreasing in freezing point takes place.
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In a calorimetry lab, sodium oxide is combined with water. Compute the
heat released in the formation of 1.99 grams of sodium hydroxide. Na2O +
H2O -> 2NaOH + 215. 76 kJ
Answers
Answer:
So the total mass is 50 plus 150 grams the heat capacity 4.18 joules per gram per degree C. And the temperature change is 36 minus 25 and so we can calculate Delta H for the reaction that takes place.
Explanation:
The system international (SI) unit for energy is:
Answers
Question
The system international (SI) unit for energy is:
Answer: joule
PLZ BRAINLIEST+THANKS :)
When a stalactite is formed by water leaving mineral deposits from the ceiling of a cave, this is caused by_____
A:Erosion
B: deposition
Answers
Answer:
it is b
Explanation: As the carbon dioxide is released, calcite is precipitated or redeposited on cave walls, ceilings and floors. As the redeposited minerals build up after countless water drops, a stalactite is formed.
Determine the molar mass of :
1. H20
2. Co2
3.NaCl
Answers
Answer:
1 is the chemical formula for water, meaning that each of its molecules contains one oxygen and two hydrogen atoms.
2 a colorless, odorless gas produced by burning carbon and organic compounds and by respiration. It is naturally present in air (about 0.03 percent) and is absorbed by plants in photosynthesis.
3 Chemical abbreviation for sodium chloride (table salt)
Positron Emission and electron capture are most different because they are.
Answers
Answer:
Opposites
Explanation:
In positron emission, a proton is converted to a neutron by emitting a positron and a neutrino. In electron capture, an outside electron is pulled inside the nucleus and combined with a proton to make a neutron, emitting only a neutrino.