Homework Answers
Answer: c. Gas
Intermolecular forces in gaseous state particles are negligible.. these particles can move randomly in the space available for them.However when mass of gaseous substance is significant then there will be an influence of their IMF
In gaseous state particles are separated by fairly large distances and hence the intermolecular forces among them are negligible
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which of the three phases of matter features particles that are no longer held together by intetmolecular forces Whi...
What state of matter has the weakest intermolecular forces for the same substance? Explain please a....
What state of matter has the weakest intermolecular forces for the same substance? Explain please a. gas b. liquid c. solid d. they are all the same
1. Rank the states of matter in order of increasing kinetic energy. a) solid < liquid <...
1. Rank the states of matter in order of increasing kinetic energy. a) solid < liquid < gas b) gas < liquid < solid c) solid = liquid < gas d) solid < liquid = gas 2. Rank the states of matter in order of decreasing intermolecular forces. a) gas > liquid = solid b) solid = liquid > gas c) solid > liquid > gas d) gas > liquid > solid 3. When a substance in its liquid state undergoes a decrease in kinetic energy _____. a) it...
1. Which state of matter exhibits the fewest intermolecular forces? a. liquid b. supercritical fluid c....
1. Which state of matter exhibits the fewest intermolecular forces? a. liquid b. supercritical fluid c. gas d. solid 2. Which molecule has the highest boiling point? a. heptane (C7H16) b. pentane (C5H12) c. hexane (C6H14) d. octane (C8H18) 3. What is meant by the half-life of a reaction? Consider the below reaction. If the half-life of the reaction is 10 minutes and the [A] starts at 2 M, what will it's concentration be after 40 minutes? A + B...
Question 1 (1 point) Solids, liquids and gaseous phases of matter may interact by van der Waals forces, which are...
Question 1 (1 point) Solids, liquids and gaseous phases of matter may interact by van der Waals forces, which are weak electrostatic intermolecular bonds that form between neutral molecules. True False Question 2 (1 point) Hydrogen bonding is the only type of van der Waals force exhibited in the water molecule. True False Question 3 (1 point) Solids may be classified as crystalline or amorphous. True False Question 4 (1 point) Solid to liquid phase is known as sublimation. aaPM...
Compare and contrast the three phases of matter and give an example of a substance in...
Compare and contrast the three phases of matter and give an example of a substance in each phase. Based on kinetic molecular theory, what happens to the kinetic energy of the molecules of a substance as it goes from solid to liquid to gas?From a molecular point of view, explain why evaporation is a cooling process. What cools? Give an example.From a molecular point of view, explain why condensation is a warming process. What warms? Give an example.Why is a...
42) Which of the following compounds will be affected by the presence of an electric field...
42) Which of the following compounds will be affected by the presence of an electric field AH2 B) 02 C) HCI D) N2 43) In which of the three phases of matter would you expect hydrogen bonding between watet molecules to be the strongest? (A) solid phase (H20 Os very close together) B) liquid phase (H20 Os more separated than solid phase) C) gas phase (H20 Os much farther apart than liquid phase) D) It is equally strong in all...
How do you call a defect that can be caused by deep drawing? Select one: a....
How do you call a defect that can be caused by deep drawing? Select one: a. Sinking b. Wrinkling c. Splaying d. Pickling How do you call an instrument for measuring angles, typically in the form of a flat semicircle marked with degrees along the curved edge? Select one: a. Compass b. Protractor c. French curve d. T-square What are the main advantages of an electronic DFT gauge? Select one: a. All the data readings can be captured and stored...
28) A sample of sulfur contains 1.81 x 1024 atoms of sulfur How many moles of...
28) A sample of sulfur contains 1.81 x 1024 atoms of sulfur How many moles of sulfur 28) does this represent? A) 3.01 mol B) 1.81 mol C) 1.77 mol D) 1.09 mol E) 0.333 mol 29) When the equation below is balanced with the lowest possible whole number coefficients, what is the sum of the coefficients? 29) Ca(s) + HCl(r) → CaCl2(s) + H26) A) 2 B) 5 C) 4 D) 8 E) 10 o) Aspirin is the common...
// Chemical potential/phases A substance has three phases: gas, liquid, and solid. The chemical potentials of various phases are illustrated below. T (K) 1) For a given temperature, which of the sta...
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Chemical potential/phases A substance has three phases: gas, liquid, and solid. The chemical potentials of various phases are illustrated below. T (K) 1) For a given temperature, which of the states represents an equilibrium condition? Submit 2) If the substance starts out in state Q and is held at constant temperature, what happens if it is allowed to reach equilibrium? The substance will freeze. The substance will evaporate The substance will melt and evaporate. The substance will sublime. Nothing...
2. Hydrocarbons are nonpolar compounds containing carbon and hydrogen atoms. The properties of three hydrocarbons are...
2. Hydrocarbons are nonpolar compounds containing carbon and hydrogen atoms. The properties of three hydrocarbons are summarized below. Methane CH4 Octane C8H18 Gasoline Liquid, BP: 126°C Eicosane CH3(CH2)18CH3 Lubricant (grease) Solid, MP: 37°C Natural Gas Gas, BP:-161°C a. Describe how the attractive forces between molecules change in the transition from substance changing from a solid to a liquid and then from a liquid to a gas. Solid to liquid: Liquid to gas: b. Based on the properties of the compounds...
Question 1 (1 point) Solids, liquids and gaseous phases of matter may interact by van der Waals forces, which are weak electrostatic intermolecular bonds that form between neutral molecules. True False Question 2 (1 point) Hydrogen bonding is the only type of van der Waals force exhibited in the water molecule. True False Question 3 (1 point) Solids may be classified as crystalline or amorphous. True False Question 4 (1 point) Solid to liquid phase is known as sublimation. aaPM...
42) Which of the following compounds will be affected by the presence of an electric field AH2 B) 02 C) HCI D) N2 43) In which of the three phases of matter would you expect hydrogen bonding between watet molecules to be the strongest? (A) solid phase (H20 Os very close together) B) liquid phase (H20 Os more separated than solid phase) C) gas phase (H20 Os much farther apart than liquid phase) D) It is equally strong in all...
28) A sample of sulfur contains 1.81 x 1024 atoms of sulfur How many moles of sulfur 28) does this represent? A) 3.01 mol B) 1.81 mol C) 1.77 mol D) 1.09 mol E) 0.333 mol 29) When the equation below is balanced with the lowest possible whole number coefficients, what is the sum of the coefficients? 29) Ca(s) + HCl(r) → CaCl2(s) + H26) A) 2 B) 5 C) 4 D) 8 E) 10 o) Aspirin is the common...
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Chemical potential/phases A substance has three phases: gas, liquid, and solid. The chemical potentials of various phases are illustrated below. T (K) 1) For a given temperature, which of the states represents an equilibrium condition? Submit 2) If the substance starts out in state Q and is held at constant temperature, what happens if it is allowed to reach equilibrium? The substance will freeze. The substance will evaporate The substance will melt and evaporate. The substance will sublime. Nothing...
2. Hydrocarbons are nonpolar compounds containing carbon and hydrogen atoms. The properties of three hydrocarbons are summarized below. Methane CH4 Octane C8H18 Gasoline Liquid, BP: 126°C Eicosane CH3(CH2)18CH3 Lubricant (grease) Solid, MP: 37°C Natural Gas Gas, BP:-161°C a. Describe how the attractive forces between molecules change in the transition from substance changing from a solid to a liquid and then from a liquid to a gas. Solid to liquid: Liquid to gas: b. Based on the properties of the compounds...
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