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Which of the following compounds has a strong intermolecular force and high viscosity

Liquids that have strong intermolecular forces (IMF) also have high surface tension. 2. Adhesion is an attraction between unlike molecules. 3. When the cohesive forces between the liquid molecules are greater than the adhesive forces between the liquid and the walls of the container, the surface of the liquid is concave. 4 Dispersion forces - occurs in all compounds. This is the primary intermolecular force exhibited by nonpolar compounds. Compounds with strong intermolecular forces have high boiling points. This is because they require more energy to be able to break the bonds during the phase transition. Step 1: Determine the central atom in the molecule

Why is glycerol viscosity so high? Stronger the intermolecular force, the more is the viscosity of the liquid. Hence, both glycerol and water can form strong intermolecular hydrogen bonds, but glycerol can form more hydrogen bonds per molecule than water Transcribed image text: Which of the following indicates the existence of strong intermolecular forces of attraction in a liquid? A very low vapor pressure a very low viscosity a very low enthalpy of vaporization a very low critical temperature a very low boiling point Which of the following compounds has the lowest normal boiling point

Assume the liquid is a molecular substance. A liquid that exhibits strong intermolecular forces will have a high viscosity. The greater the viscosity of a liquid, the less easily it will flow. Ethanol (CH3CH2OH) will have a higher viscosity than carbon tetrachloride (CCl4) A liquid with strong intermolecular forces between its molecules is expected to have which of the following properties? low viscosity and low surface tension high boiling point and high viscosity O low vapor pressure and low melting point O high surface tension and low boiling point high boiling point and low melting poin 2 is more polar and thus must have stronger binding forces. With stronger intermolecular attraction, of course CH 2F 2 will have a lower boiling point. b. CH 2Cl 2 is ionic while CH 2F 2 is molecular. c. CH 2Cl 2 has hydrogen-bonding while CH 2F 2 does not. d. That CH 2Cl 2 has a higher boiling point proves that is has stronger intermolecular. 1. Identify the intermolecular forces in each of the following substances: a) HCl b) CH3CH3 c) CH3NH2 d) Kr 2. Write the following in the increasing order of boiling points: a) H2S b) CH3CH3 c) CH3OH d) Ar 3. Between CO2 and SO2, only _____ will have dipole-dipole interaction because _____

Liquids that have strong intermolecular forces have higher

  1. C2H6and C3H8have higher molecular weights than CH4and hence greater intermolecular forces. CH3Cl has strong dipole-dipole intermolecular interactions in the liquid state while CH3OH has very strong hydrogen bonding intermolecular interactions. CH4is not capable of dipole-dipole interactions or hydrogen bonding. H
  2. - strong intermolecular force = strong surface tension. viscosity. Measure of fluids resistance to flow - strong intermolecular force = high viscosity. solubility - Polar compounds dissolve other polar compounds - Non-polar compounds dissolve non-polar - Polar compounds insoluble in non-polar
  3. Which of the following indicates the existence of strong intermolecular forces of attraction in a liquid? a) a very low boiling point. b) a very low vapor pressure. c) a very low critical temperature. d) a very low viscosity. e) a very low heat of vaporization
  4. Click hereto get an answer to your question ️ Viscosity of a liquid arises due to strong intermolecular forces existing between the molecules. Stronger the intermolecular forces, greater is the viscosity. Name the intermolecular forces existing in the following liquids : Water and glycerin
  5. For liquids, typically the larger the intermolecular forces (IMF) the higher the viscosity. The other factors that affect viscosity are temperature and the shape of the molecule. Higher temperatures will correspond to higher average kinetic energies and faster moving molecules. This will lead to a lower viscosity
  6. g a type of skin at its surface. This skin can support a bug or paper clip if gently placed on the water. 4
  7. Types of Intermolecular Forces There are three types of intermolecular forces: London dispersion forces (LDF), dipole- dipole interactions, and hydrogen bonding.Molecules can have any mix of these three kinds of intermolecular forces, but all substances at least have LDF

Which compound has the highest boiling poi Clutch Pre

How do you know which compound has the highest viscosity

The viscosity of a substance is related to the strength of the intermolecular forces acting between its molecular units. In the case of water, these forces are primarily due to hydrogen bonding. Liquids such as syrups and honey are much more viscous because the sugars they contain are studded with hydroxyl groups (-OH) answer choices. It is a dipole dipole forces of attraction. Electronegative element like N, O and F must be present. Hydogen bonding is stronger than covalent bonding. ESF attraction bet H atom with lone pair electron from N,O,F. Tags: Question 38. SURVEY. 120 seconds 4.1 Intermolecular and interatomic forces (ESBMM) Intermolecular forces. Intermolecular forces are forces that act between molecules. You will also recall from the previous chapter, that we can describe molecules as being either polar or non-polar.A polar molecule is one in which there is a difference in electronegativity between the atoms in the molecule, such that the shared electron pair.

Which of the following indicates the existence of Chegg

  1. compounds) • Water has a relatively high boiling point (H 2 S has much smaller) Liquids with strong intermolecular forces have high surface tensions. GCh11-26 Cohesion substances Adhesion > Cohesion Adhesion < Cohesion water mercury. GCh11-27 Viscosity • It is a measure of a fluid's resistance to flow. The bigger the viscosity.
  2. e.g. honey flows slowly high viscosity; gasoline flows rapidly low viscosity. Stronger intermolecular forces higher viscosity Image: CC BY 14.3 Properties of Water Electron dot formula for H 2 O: H 2 O has a bent molecular geometry with bond angle of < 109.
  3. The molecules of a molecular compound are held together by a force known as intermolecular force of attraction or IMFA. This force can be any of the following: A. dipole-dipole force present in.
  4. If magma has a strong/high VISCOSITY it will... IMF. DRAFT. 10th - 12th grade. 0 times. Chemistry. 0% average Intermolecular forces are responsible for which of the following properties? answer choices . State of matter substances with stronger intermolecular forces have _____ boiling points than those with weaker forces. answer choices.
  5. ____ 14. Which property is not affected by strength of intermolecular forces? a. viscosity b. boiling point c. density d. vapor pressure e. molar heat of vaporization ____ 15. Which of the following boils at the highest temperature? a. C 2 H 6 b. C 3 H 8 c. C 4 H 10 d. C 5 H 12 e. C 6 H 14 ____ 16. Which one of the following would have the.
  6. Since cracking produces smaller molecules, which have decreased viscosity, we can rule out answer option (D), viscosity. However, volatility increases as molecules get smaller. Smaller molecules are more easily converted to the gas phase or more easily volatilized because of the weaker intermolecular forces
  7. Glycol. Hydrogen bonding and strong intermolecular interactions increases the viscosity of the liquid. −OH has two −OH groups. The hydrogen bonding is due to these −OH groups. More is the number of −OH groups, more are the hydrogen bonds and greater is the viscosity. Ethanol has only one −OH group

The larger the intermolecular forces in a compound, the slower its evaporation rate. In order of decreasing strength, the important intermolecular forces in a compound are • Hydrogen Bonds • Dipole-dipole attractions • London dispersion forces They all depend on the fact that some parts of polar molecules have positive charges and other parts have negative charges What is the strongest intermolecular force present in HCN? dipole-dipole interactions. Why is HCN dipole-dipole? HCN is a polar molecule because of the large electronegative difference between Nitrogen(3.04) and hydrogen(2.2) due to which the linear-shaped molecule has unequal sharing of charge and results in non zero dipole moment making the molecule polar A) The boiling point is higher for compounds with a high viscosity. B) The boiling point of a compound is an absolute constant. C) The boiling point of a compound is higher for nonvolatile compounds. D) The boiling point is higher for compounds with strong intermolecular forces. 14) Evaporation is: 14) A) the opposite process as condensation 3 Intermolecular Forces Intermolecular forces are attractive forces between molecules. Intramolecular forces hold atoms together in a molecule. Intermolecular vs Intramolecular • 41 kJ to vaporize 1 mole of water (inter) • 930 kJ to break all O-H bonds in 1 mole of water (intra) Generally, intermolecular forces are much weake

assume that acetone has weaker intermolecular forces. B. The phase change from solid to gas is exothermic. C. Evaporation is an exothermic process, since heat is given off when a substance vaporizes. D. A liquid which has a high boiling point has a higher vapor pressure at a given temperature than a liquid with a low boiling point 7. The state of a substance at a particular temperature depends mostly on: the strength of its intermolecular forces 8. List the characteristics of substances with strong intermolecular forces and weak intermolecular forces. Strong Intermolecular Forces High melting point High surface tension High viscosity High melting poin Viscosity Vapor Pressure ! A liquid in a sealed container is constantly evaporating, and the vapor above it is being reabsorbed by the liquid. This is called a dynamic equilibrium. ! Liquids which have very strong intermolecular forces tend to have relatively low vapor pressures, as the attractive forces pull the molecules close together. Intermolecular bonds are caused by the attractive forces between the negative end of one molecule and the positive end of another.. DIPOLE-DIPOLE BONDS. A polar molecule has a positive end and a negative end. When two polar molecules are near each other, they arrange themselves so that the negative and positive ends line up and attract the two molecules togethe Which type of intermolecular forces is present in all substances regardless of polarity? , If you have strong intermolecular forces you will have _____ melting point. , What is the strongest intermolecular force present in liquid HF? , As intermolecular forces increase, viscosity decreases. Is this true or false

11/29 smartbook Flashcards Quizle

Viscosity . Intermolecular forces attract molecules to each other, making them less likely to flow. Viscosity - the resistance of a liquid to flow. Lower viscosity, faster flow. Water. Higher viscosity, slower flow. Maple syrup. All factors that enhance intermolecular forces (force type, shape and size) will affect viscosity. Temperature also. Intermolecular Forces Viscosity • Resistance of a liquid to flow is called viscosity . • It is related to the ease with which molecules can move past each other. • Viscosity increases with stronger intermolecular forces caused by increase in the molecular weight, and decreases with higher temperature Surface Tension, Viscosity, and Capillary Action 11.61 Water will have the higher surface tension since it exhibits hydrogen bonding, a strong intermolecular force. Acetone cannot form hydrogen bonds. 11.62 (a) Water wets surfaces that are capable of dipole-dipole interactions. The water will form strong

18) Based on the following information, which compound has the strongest intermolecular forces? Substance ΔHvap (kJ/mol) Argon (Ar) 6.3 Benzene (C 6 H 6) 31.0 Ethanol (C 2 H 5 OH) 39.3 Water (H 2 O) 40.8 Methane (CH 4) 9.2 A) Argon B) Benzene C) Ethanol D) Water E) Methane 19) Based on molecular mass and dipol Stronger intermolecular forces → higher viscosity. Surface Tension. Surface tension is a measure of the toughness of the surface of a liquid; Stronger intermolecular forces → higher surface tension. Vapour Pressure. This is a small amount of gas that is found above all liquids. Refer to our lesson about vapour pressure to learn about it The type of intermolecular force and it's strength can be discussed through the physical changes it undergoes. Ionic bonds have strong bonds that have high melting points and boiling point temperatures. Hydrogen bonds have relatively strong bonds, also resulting in high melting and boiling point temperature than molecules with only van der waals

Solved: A Liquid With Strong Intermolecular Forces Between

Choose high, low, or medium. Hint - If it is a gas at room temperature, it has low melting and boiling points, if it is a liquid, it has medium melting and boiling points, if it is a solid, it has high melting and boiling points. Exception - Liquids with hydrogen bonding. From state at Room Temperature, Predict type of Intermolecular Force Viscosity : Intermolecular forces of organic compounds are weak, their viscosity tend to be low. Inorganic compounds on the other hand, tend to have strong intermolecular forces, such as hydrogen bonding, thus they have a higher viscosity. Melting and Boiling Point: Organic compounds have relatively high melting and boiling point

I. Electrostatic Forces • Every molecule in a sample of matter experiences two types of electrostatic forces. Intramolecular forces: the forces that exist within the molecule (bonding). These forces determine chemical reactivity. Intermolecular forces: the forces that exist between molecules. These forces determine physical properties 4.4 Physical properties and structure (ESCKP) Physical properties and intermolecular forces (ESCKQ). Have the learners research the safety data for various compounds, especially those being used in the experiments in this section, as a way of linking the properties of organic molecules with their molecular structure in them having the following intermolecular forces: dipole-dipole forces and London forces. SeO 2 will have stronger intermolecular forces because it is a larger molecule than SO 2 and the larger the molecule the less energy it takes to generate instantaneous dipole moments. c) H 2 NCH 2 CH 2 NH 2 will have stronger intermolecular forces than.

Intermolecular forces (IMF) (or secondary forces) are the forces which mediate interaction between molecules, including forces of attraction or repulsion which act between atoms and other types of neighboring particles, e.g. atoms or ions.Intermolecular forces are weak relative to intramolecular forces - the forces which hold a molecule together. For example, the covalent bond, involving. In Class Exercise for Chapters 11 - Liquids & Intermolecular Forces 1. For each of the following sets, pick the substance that best fits the given property. a. highest boiling point: CCl4, CF4, CBr4 due to polarizability so has largest London Dispersion forces b. highest boiling point: HBr, Kr, Cl2 - only polar molecule so has dipole-dipole. Liquids were molecules have large attractive intermolecular forces will have a large surface tension. What intermolecular forces are present in ph3? PH3 has the dispersion force (18 electrons) and the dipole-dipole force (dipole-dipole force : ∆EN (P-H) = 2.1- 2.1 = 0 so thus the vector is due to the lone pair and is relatively strong) Classify each property as associated with a liquid that has strong or weak intermolecular forces. high viscosity high boiling point low surface tension high vapor pressure high surface tension low boiling point low viscosity low vapor pressur ; ionic compounds have high melting points because the have strong intermolecular forces

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Which compound has the highest vapor pressure at room

If BA₂ has a electronegativity difference of .4, CD₂ has a difference of 0, and EF₂ has a difference of .2, list the molecular from highest to lowest dispersion forces: BA₂, EF₂, CD₂ How do you determine which molecule has higher or lower intermolecular forces These compounds have low boiling points, low viscosity, high evaporation rate. Example 2. In a permanent dipole, forces. CH 3Cl Σ EN= 0? _____ Properties: These compounds have intermediate boiling points, intermediate H vap, etc. Example 3. In hydrogen bonding if: 1) there is an electronegative atom (EN >3 (N, O, F, Cl) and 2) a hydroge Intermolecular forces are required to make molecules stick together, and they are the reason why compounds with differing chemical properties have different physical properties. The aim of this ScienceStruck post is to put forth the concept of how different intermolecular forces work along with some examples for a better understanding of the concept

Intermolecular forces, Intermolecular Forces Flashcards

Determine the intermolecular forces in the compounds and then arrange the compounds according to the strength of those forces. The substance with the weakest forces will have the lowest boiling point. Solution: The four compounds are alkanes and nonpolar, so London dispersion forces are the only important intermolecular forces •When intermolecular forces are strong , the atoms, molecules, or ions are strongly attracted to each other, and draw closer together. •When intermolecular forces are weak , the atoms, molecules, or ions do not attract each other strongly, and move far apart . Key Questions: 1 You can have all kinds of intermolecular forces acting simultaneously. Usually you consider only the strongest force, because it swamps all the others. When you are looking at a large molecule like acetic anhydride, you look at your list of intermolecular forces, arranged in order of decreasing strength 4 24. Which one of the following statements is FALSE for the vapor pressure/temperature diagram shown: a. the vapor pressure for D at 120˚ is about 0.6 atm b. substance A has the weakest intermolecular binding forces c. the normal boiling point for A is about 60

States of Matter: Liquids and Solid

Hydrogen Bonding. The most powerful intermolecular force influencing neutral (uncharged) molecules is the hydrogen bond.If we compare the boiling points of methane (CH 4) -161ºC, ammonia (NH 3) -33ºC, water (H 2 O) 100ºC and hydrogen fluoride (HF) 19ºC, we see a greater variation for these similar sized molecules than expected from the data presented above for polar compounds Three 1.0-L flasks, maintained at 308 K, are connected to each other with stopcocks. Initially, the stopcocks are closed. One of the flasks contains 1.0 atm of N2; the second, 2.0 g of H2O; and the third, 0.50 g of ethanol, C2H6O. The vapor pressure of H2O at 308 K is 42 mmHg, and that of ethanol is 102 mmHg Chemistry Q&A Library Classify each property as associated with a liquid that has strong or weak intermolecular forces. Drag the appropriate items to their respective bins. • View Available Hint(s) Reset Help low boiling point high vapor pressure low viscosity high surface tension low vapor pressure low surface tension high boiling point high viscosity Strong intermolecular forces Weak.

2OH have hydrogen bonds due to the very electronegative O atom bonded to the H atom. These H-bonds are much stronger than the dispersion and dipole-dipole forces in the other compounds and hence these two compounds have the highest boiling points. CH 3CH 2OH has more dispersion forces than CH 3OH, so it has the highest boiling point SOLUTION. Answers: (a), and (d). Nylon and polyesters have strong intermolecular forces like Hydrogen-bonding. Nylon and polyester are thread forming .fibres which possess high tensile strength and high melting point 9) Which one of the following substances will have hydrogen bonding as one of its intermolecular forces? H— H— H3C— D) H— E) c— c— c— c— c N C_ H H CC14has mass and eledyons. c M0tAe D) H20 10) Which one of the following should have the lowest boiling point? A B) PH3 C) HCI E) H2S ESSAY

4 • A high boiling point indicates strong attractive forces. • A high melting point indicates strong attractive forces. • Van der Waals forces (3 TYPES) are the intermolecular forces that exist between neutral molecules. 1. London-dispersion forces 2. Dipole-dipole forces 3. Hydrogen-bonding forces. London-Dispersion Forces • These are the weakest of all intermolecular forces 1 Intermolecular Forces Chemistry 35 Fall 2000 2 Intermolecular Forces nWhat happens to gas phase molecules when subjected to increased pressure? nVolume occupied by gas decreases (IGL) nAt higher pressures: get negative deviations from IGL-due to intermolecular attraction (Van deWaals Equation) nAt a high enough pressure: ABRUPT decrease (100x or more) in volum Because of this, hexane has more chances of including dipole forces and thus the intermolecular forces between hexane molecules are higher and require more kinetic energy to break. Thus, at 25ºC, there is enough KE to make ethane into a gas while hexane is a liquid

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