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...
Based on what you know about intermolecular forces, which one of the molecules would require the...
Based on what you know about intermolecular forces, which one of the molecules would require the most energy to break the IMF’s? How would you rank them in term of their boiling point? (phase changes, i.e. gas to liquid, solid to liquid, solid to gas, typically require energy to break the IMFs that holds the molecules together ). i. H2O ii. H2Te iii. HCl iv. HI
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...
Which assumption is part of the kinetic molecular theory? A) the particles in a gas have...
Which assumption is part of the kinetic molecular theory? A) the particles in a gas have a distinct volume measured in mL B) the particles in a gas attract one another via intermolecular forces C) the particles in a gas collide and emit energy to the surroundings D) the speed of the particles in a gas is directly proportional to the Kelvin temperature E) the particles in a gas can be compressed
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...
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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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