Why is a gas able to flow? It's particles have melted and can move around. It's particles have high viscosity and can move around. It's particles have enough energy to move around. It's particles have enough pressure to move around.**

20,398 results
  1. Chemistry

    5 orange gas particles 6 blue gas particles 3 green molecules of gas (two particles attached together) If the partial pressure of the diatomic gas is 0.390 atm, what is the total pressure?

  2. Chemistry

    The van der Waals equation for real gases recognizes that (A) the molecular atrractions between paritcles of a gas decreases the pressure exerted by the gas (B) the non-zero volumes of gas particles effectively decrease the amount of "empty space" between

  3. Chemistry HELP!!!

    Which of the following contains the greatest number of particles? A) 4g of helium gas B) 4g of oxygen gas C) 4g of hydrogen gas D) 4g of water Why is the answer C? Pls explain to me clearly, thks!

  4. Phase diagram

    Question: A solid substance has a vapor pressure of 800 mm Hg at its melting point (80 degrees C). Describe how the solid behaves as temperature is raised from room temperature to 80 C while the atmospheric pressure is held constant at 760 mm Hg. I think

  5. science --- pls check my work!!!

    hi, pls check my work asap! 1. A ___ has a definite shape and a definite volume. (1 point) solid*** liquid gas molecule 2. Why is a gas able to flow? (1 point) Its particles have melted and can move around.Its particles have high viscosity and can move

  6. chemistry

    1. What is the cause of a gas sample exerting pressure on its surroundings, such as a container? A. The sum of the volumes of all the gas particles in the sample B. Chemical reactions with the container walls C. Collisions of particles of gas D. The weight

  7. chemistry

    Question: Consider this molecular-level representation of a gas. There are: 5 orange gas particles 6 blue gas particles 3 green molecules of gas (two particles attached together) If the partial pressure of the diatomic gas is 0.510 atm, what is the total

  8. science 3

    11. The freezing point of a substance is ____ the melting point of the same substance. (1 point)greater than less than equal to unrelated to 12. For most substances, the distance between particles is smallest when the substance ____. (1 point)exists as a

  9. Science

    Which of the following statements best describes the particles of liquid? a.The particles are far apart and moving fast. b.The particles are close together but moving past each other. c.The particles are far apart and moving slowly. d.The particles are

  10. Science

    In a vacuum the coloured particles would move very quickly... why did they move so much more slow in your solutiin.

  11. Science

    Examine the scenario. A stream of positively-charged particles is moving to the left in a magnetic field. The particles experience an upward force. Which choice most accurately describes the effect on the magnetic field on a stream of negatively-charged

  12. science 1 question!!!

    1. How are continental glaciers different from valley glaciers? (1 point) Valley glaciers can flow in all directions as they move, while continental glaciers move down slopes already cut by rivers. Continental glaciers flow in all directions as they move,

  13. science help

    What is the relationship between atmospheric pressure and the density of gas particles in an area of decreasing pressure? As air pressure in an area decreases, the density of the gas particles in that area decreases. As air pressure in an area decreases,

  14. Chemistry

    When the Kelvin temperature of an enclosed gas doubles, the particles of the gas ____. a) strike the walls of the container with less force b) move faster c) decrease in volume d) decrease in average kinetic energy

  15. science(pls help :D)

    Particles have enough energy to break free from each other and can move around freely. What kind of substance is described? A:solid B:liquid C:gas D:Molecule

  16. Chemistry

    At room temperature, 20° C, water (H2O) is a liquid and oxygen (O2) is a gas. Based on kinetic molecular theory, which answer best explains the states of the two fluids? aThe particles in the liquid have greater kinetic energy than the particles in the

  17. Chemistry

    What change would occur in the kinetic energy of vapor if a container of vapor is placed at 0 Kelvin? A.The kinetic energy of gas particles will increase. B.The kinetic energy of gas particles will decrease. C.The kinetic energy of gas particles will

  18. science

    Which statements best describe how the properties of gases and plasmas differ? (Select all that apply). The particles of plasmas have a higher kinetic energy than the particles of gases. Gas particles are charged while plasma particles are uncharged.

  19. Physical Science

    1. boyle's law states that the volume of a gas is inversely proportional to its pressure if the? A) temperature and number of particles are consistent** B) temperature reaches absolute zero C) number of particles are doubled D) temperature and number of

  20. chemistry

    What is true about kinetic energy and the mobility of solid, liquid, and gas particles? The average kinetic energy of the particles decreases as the particles go from a liquid state to a gas state because gas particles do not interact with each other. The

  21. chemistry

    A sample of gas has increased in temperature from 20° Celsius to 22° Celsius. Which of the following happens as the temperature of the gas goes up? A.The gas undergoes a phase change. B. The velocity of the gas particles decreases. C.The kinetic energy

  22. Science

    For a reaction to occur, the energy of the system must meet the activation energy threshold. Which best explains why increasing the temperature increases the rate of a reaction? A) Because more particles spread out away from each other B) Because more

  23. Chem

    Which of the following statements is part of the kinetic theory? The particles of a gas move independently of each other. The particles in a gas move rapidly. The particles in a gas are relatively far apart. all of the above

  24. Chemistry

    Which of these most accurately describes the motion of gas particles? 1.) particles making up gases are mostly fixed in their locations and have vibrational motion. 2.) particles making up gases have few intermolecular interactions and are free to move.

  25. Science

    Why do some chemical reactions occur? Select all that apply. so the particles can have less energy so the particles can turn into gas so the particles can have less volume so the particles can be more spread out

  26. Science

    Which choice describes how energy is transferred at the particle level through the process of conduction? A. The fast-moving particles in the colder material collide with the slow-moving particles in the hotter object. The collisions transfer energy from

  27. Physics

    An electron and a proton execute uniform circular motion in the presence of a uniform magnetic field. If the radius of the circle is the same for both particles, which of the following statements is true? A)Both particles move in the same direction; the

  28. chemistry

    Which substance has the highest particle mobility? water at 25 °C because liquid particles are the most mobile and mobility increases with decreasing temperature steam at 105 °C because gas particles are the most mobile and mobility increases with

  29. science help PLS

    What is the relationship between atmospheric pressure and the density of gas particles in an area of decreasing pressure? As air pressure in an area decreases, the density of the gas particles in that area decreases. As air pressure in an area decreases,

  30. phyical science

    Boyle’s law states that the volume of a gas is inversely proportional to its pressure if the A. temperature and number of particles are constant. B. temperature reaches absolute zero. C. number of particles decreases. D. temperature and number of

  31. Physics: true or false

    1. In a gas kept at a constant temperature, all molecules move with the same speed. A. True B. False 2. A hot object has more thermal energy than a similar cold object only because of greater kinetic energy. A. True B. False 3. The thermal energy of the

  32. Science

    Why is a gas able to flow? It's particles have melted and can move around. It's particles have high viscosity and can move around. It's particles have enough energy to move around. It's particles have enough pressure to move around.** not sure of the

  33. Science

    2. why is gas able to flow? a) Its particles have melted and can move around b) Its particles have high viscosity and can move around c) Its particles have enough energy to move around d) Its particles have enough pressure to move around 3. Which of the

  34. yoyo

    At room temperature, 20° C, water (H2O) is a liquid and oxygen (O2) is a gas. Based on kinetic molecular theory, which answer best explains the states of the two fluids? a The particles in the liquid have greater kinetic energy than the particles in the

  35. Chemistry

    Can someones please check my work? 1. Why does a liquid take the shape of whatever container it is in but does not expand to fill the container completely? A: It takes the shape of its contaienr because its particles can slip past each other. but it has

  36. Physics

    An electron and a proton execute uniform circular motion in the presence of a uniform magnetic field. If the radius of the circle is the same for both particles, which of the following statements is true? a. Both particles move in the same direction; the

  37. calculus

    Two particles move along the x-axis. For 0≤t≤6, the position of particle P is p(t)=2cos(t*π/4), while the position of particle R is r(t)=t^3-6t^2+9t+3. For 0≤t≤6 find all the times which the two particles travel in opposite directions.

  38. science

    Which of the following best describes plasma? A) a group of super cooled particles with very low kinetic energy B) an ionized group of particles with low kinetic energy C) a gas that becomes a solid without first becoming a liquid D)an electrically charged

  39. Science

    1) Instead of using the word "random",is it acceptable to say particles in a liquid move about in "different" directions? 2) Why does ice have a higher density than water vapour? Is it because ice has a greater mass in a fixed volume? 3) The statement

  40. Bose gases, quantum physics.

    A hypothetical gas consists of four indistinguishable particles. Each particle may sit in one of five allowed quantum states, with energies ε,3ε,5ε,7ε and 9ε. Assume that the total energy of the gas is fixed at 16ε. (a) If the particles are bosons:

  41. Chemistry

    Are these statements true or false? 1. Gas particles slow down when they collide with the walls of a container. 2. The speed of gas particles are not affected by collisions with other gas particles. I think they are both false since the collision of one

  42. Physical Science

    Explain how atoms move/pass in conduction. This is my answer. When heat comes in contact with matter it makes the atoms vibrate. As the conductor is heated , the atoms gain more energy and vibrate more. This causes them to collide with other atoms

  43. physics

    The atoms in a gas can be treated as classical particles if their De Broglie wavelength is much smaller than the aveage separation between the particles d. consider monatomic helium gas (mHec^2 = 3727. molar mass = 4g/mol) at 1 atmosphere of pressure and

  44. TO: MS SUE SCIENCE HELP

    this question has really stumped me but i have tried doing it and have came up with some possible answers: the following letters list some characteristics OF SOLIDS ACCORDING TO THE KINECTIC MOLECULAR THEORY. A.) the particles are very closely packed

  45. Chemistry

    The entire volume of a balloon is filled with air. However, over time, the balloon becomes soft as the air pressure inside it decreases. According to the gas laws, which answer choice best describes the cause for the decrease in the balloon's air pressure?

  46. Science

    The entire volume of a balloon is filled with air. However, over time, the balloon becomes soft as the air pressure inside it decreases. According to the gas laws, which answer choice best describes the cause for the decrease in the balloon's air pressure?

  47. Science (URGENT)

    Can someones please check my work? 1. Why does a liquid take the shape of whatever container it is in but does not expand to fill the container completely? A: It takes the shape of its contaienr because its particles can slip past each other. but it has

  48. Chemistry

    How many gas particles occupy a volume of 22.4 L at standard temperature and pressure? One mole of gas particles.

  49. Physics

    The atoms in a gas (gas constant R=8.31 J/mol-K) can be treated as classical particles if their de Broglie wavelength ă is much smaller than the average separation between the particles d. Consider monatomic Helium gas (mHec2 = 3727MeV), molar mass

  50. chemistry

    I read in a book that gas particles move rapidly in all directions. Somehow I find that random directions is better.The word "all" sounds a bit weird. What do you think?

  51. Physics

    True or false? Are these correct? In a gas kept at a constant temperature, all molecules move with the same speed. FALSE. A hot object has more thermal energy than a similar cold object only because of greater kinetic energy. TRUE. 3. The thermal energy of

  52. Physics

    Getting my head twisted around by the wording of these two questions, any help would be appreciated. My answers/ideas are below each question. 1) Briefly explain whether there would there be more or fewer configurations available for the gas if the

  53. Chemistry

    I have an assignment. It has two boxes to model the particles of the same gas at different temperature (18 and 45 degrees Celsius). I have to write two or three sentences relating the temperature, the average kinetic energy, and the motion of the particles

  54. biology

    in a vacuum the coloured particles of potassium manganate(vii)would move very quickly in water. why would it move slow at room temperature?

  55. 8th grade science

    I'm not sure what's the correct answer: 9)Which of these characteristics can only be attributed to a wave of red light? A)The energy of the wave travels in the same direction as the wave travels. B)The wave travels by vibrating the particles of the medium

  56. Chemistry

    Do gases follow any of these principles all the time? 1. The space between gas molecules is much larger than the molecules themselves. 2. Gas molecules are in constant random motion. 3. The average kinetic energy is determined solely by the temperature. 4.

  57. chemistry

    we believed that the molecules of a gas move around fairly rapidly, we can use this to explain all of the following EXCEPT why adding more gas increases the pressure. why most of the volume of the gas sample is taken up by the gas molecules. why the gas

  58. Chemistry. PLEASE HELP

    If we believed that the molecules of a gas move around fairly rapidly, we can use this to explain all of the following EXCEPT why adding more gas increases the pressure. why most of the volume of the gas sample is taken up by the gas molecules. why the gas

  59. Chemistry

    how many radicals are in CuSO4? What occurs to CuSO4 particles in terms of temperature,energy and particles Arrangment as they move from matter to solid? What is the proccess called? (moving from liquid to solid)

  60. Chemistry

    help me to start on this 28. What causes Brownian motion? o Brownian motion is caused by _______________ of the molecules of the dispersion medium with the small, dispersed colloidal particles. These collisions help prevent the colloidal particles from

  61. science

    a substance that keeps its shape because its particles can't flow freely is a(n).........

  62. Chemistry

    Nitrogen and hydrogen, with volumes of 12.0 L each, are injected into a sealed rigid reaction chamber containing a catalyst. The pressure of the chamber is 8.00 atmospheres and at a known temperature. The reaction is allowed to proceed to completion while

  63. physics

    The atoms in gas ( gas constant R=8.31 J/mol K) can be treated as classical particles if their de Broglie wavelength L is much smaller than the average separation between the particles d. Consider monatomic helium gas (mHec^2 = 3727 MeV, molar mass 4g/mol)

  64. forensic science

    Select the correct order of the GC components Column, Recorder, Carrier Gas, Flow Controller, Detector Recorder, Carrier Gas, Column, Detector, Injector port Injector port, Carrier Gas, Detector, Recorder Carrier Gas, Column Oven, Flow Controller, Detector

  65. Math

    Two particles X and Y joined by a rigit rod of negligible mass, move along a smooth horizontal plane. Particle X has mass 7.7kg and is pushed by an external force Fx of magnitude 73.01N. Particle Y has mass 5.68kg and is pulled along the plane by an

  66. physics

    The solar wind is a thin, hot gas given off by the sun. Charged particles in this gas enter the magnetic field of the earth and can experience a magnetic force. Suppose a charged particle traveling with a speed of 9.80 x 10^6 m/s encounters the earth's

  67. Science

    13.)How can substance A and B be compared? Choose all that apply. A.)The particles of substance A have more energy than the particles of substance B.*** B.)The particles of substance A are more tightly held together than the particles of substance B.

  68. Statistics

    Here is my question: The size of dust particles was measured in a factory. Pictures of particles were taken with a camera attached to a microscope with 50x magnification. 9 imahes of particles were taken giving the following pixel areas of the interior

  69. Science

    Please Check my Work:pls check my work asap! 1. A ___ has a definite shape and a definite volume. (1 point) 1. solid (My Choice) 2. liquid 3. gas 4. molecule 2. Why is a gas able to flow? (1 point) 1. Its particles have melted and can move around. 2. Its

  70. Chemistry

    Which of the following are behaviors of a gas that can be explained by the kinetic-molecular theory? a. Gases are compressible. b. Gases exert pressure. c. All particles of a gas sample move at the same speed. d. Gas particles can exchange kinetic energy

  71. science

    At room temperature, 20° C, water (H2O) is a liquid and oxygen (O2) is a gas. Based on kinetic molecular theory, which answer best explains the states of the two fluids? aThe particles in the liquid have greater kinetic energy than the particles in the

  72. Chemistry(Please check)

    1) choose the correct statement about the postulates of kinetic theory of gases. a) a sample of a gas consists of a small number of large particles close together. b) the movement of gas molecules is predictable, not random. c) when gas molecules collide,

  73. Science

    Which of the foolowing occurs when a mass of air rises into the atmosphere? A) it becomes warmer because the particles move closer together B) it becomes cooler because the particles move closer together C) it becomes cooler because the particles move

  74. chemistry

    Compared to the particles of a gas, the particles of a liquid are not in constant motion collide with the sides of the container, but not with each other do not completely fill their container can move longer distances have more space in between the

  75. Chemistry

    Why during melting, particles gain energy and vibrate more, until they are able to overcome the forces that hold them in their fixed position? Why during boiling, particles gain kinetic energy and move quickly until they can completely break the forced

  76. Physics

    So a quick question. If im representing a quantum gas with diagrams of the allowed configurations of the gas. When it comes to indistinguishable I have 7 configurations. But if we then compare to a gas made up of distinguishable particles. Would there be

  77. Science

    what are the properties of a solid - this is for 5th grade the state in which a substance has no tendency to flow under moderate stress; resists forces (such as compression) that tend to deform it; and retains a definite size and shape Solids have a

  78. Science

    When the number of gas particles in a container with constant volume decreases, does the pressure of the gas increases? If the number of gas particles at constant pressure increases, will the volume of the gas decrease? What is the relationship between gas

  79. Physics

    a colloid is solid particles dispersed in water a suspension where the particles settle out a gas I say gas, am I right?

  80. science help PLS

    What is the relationship between atmospheric pressure and the density of gas particles in an area of increasing pressure? As air pressure in an area increases, the density of the gas particles in that area decreases. As air pressure in an area increases,

  81. chemistry

    which of the following summarizes Charles' Law? A. as temperature decreases, the gas particles slow down and take up less space B. as temperature increases, the gas particles slow down and take up less space C. when pressure decreases, the gas particles

  82. Science

    Which of the following best describes the particles in potato chips and lemonade? The particles are able to flow in both. The particles are locked in position in both. The particles are locked in position in lemonade and able to flow in potato chips. The

  83. science help

    What is the relationship between atmospheric pressure and the density of gas particles in an area of increasing pressure? As air pressure in an area increases, the density of the gas particles in that area decreases. As air pressure in an area increases,

  84. one more question

    how would you describe change in a arrangement of particles as heat energy and temperature increases. here is my answer: temperature increase makes particles move faster and spread a part Please edit

  85. Physical Science

    Here are a few questions that I have answered; can someone please check if they are correct? Thanks! 1.In which type of waves do the particles in a medium move parallel to the direction that the waves move? Ans- longitudinal waves 2.Which type of wave

  86. physics

    The atoms in gas ( gas constant R=8.31 J/mol K) can be treated as classical particles if their de Broglie wavelength L is much smaller than the average separation between the particles d. Consider monatomic helium gas (mHec^2 = 3727 MeV, molar mass 4g/mol)

  87. Science

    Which statement is correct about the flow of thermal energy inside Earth? 3 A. Energy flow inside the crust causes magma to sink deeper. B. Energy flow inside the crust causes magma to rise. C. Energy flow inside the mantle causes magma to sink deeper.

  88. Chemistry

    As a substance goes from a solid to a liquid, the particles move further apart? duh For many substances, yes. It depends on the density of the solid/liquid. What does happen, is that in solids atoms are mostly bound in a crystal arrangement, and not free

  89. Last One [Chemistry]

    When the Kelvin temperature of an enclosed gas doubles, the particles of the gas ___?

  90. chemistry

    Assuming the temperature and pressure are held constant, which of the gas samples has the greatest number of gas particles? 45.0 mL O3 35.0 mL N2 15.0 mL of CO2 25.0 mL of SO3

  91. chemistry

    Assuming the temperature and pressure are held constant, which of the gas samples has the greatest number of gas particles? a. 45.0 mL O3 b. 35.0 mL N2 c. 15.0 mL of CO2 d. 25.0 mL of SO with the little 3 at the bottom.

  92. chemistry

    Assuming the temperature and pressure are held constant, which of the gas samples has the greatest number of gas particles? 45.0 mL O3 35.0 mL N2 15.0 mL of CO2 25.0 mL of SO3

  93. physics

    what effect does heating a gas have on the particles that make up that gas?

  94. SCIENCE HELP PLS

    The density of gas particles in a section of Earth’s atmosphere decreases. Which of the following is the most likely explanation for this event? The air pressure in that section of Earth’s atmosphere decreased. The air pressure in that section of

  95. Science

    Which of the following describes a feed back in the oven? A Setting the temperature B Burning gas releases heat C a thermostat monitors the temperature and increases the gas flow when gas falls to low D a cake is baked. My awnser so far is A.

  96. science

    in which state of matter do particles stay close together,yet are able to move past one another? 1)solid 2)gas 3)liquid 4)plasma

  97. chemistry

    calculate the pressure (in Pascals and bar) of 10^23 gas particles each with a mass of 10^-25 kg, in a 1 L container if the rms speed is 100m/s? What is the total kinetic energy of these particles? What is the temperature inside the container

  98. chemistry

    Assuming the temperature and pressure are held constant, which of the gas samples has the greatest number of gas particles? 45.0 mL O3 35.0 mL N2 15.0 mL of CO2 25.0 mL of SO3

  99. Electricity

    The energy caused by the flow of particles with negative electrical charge is called?

  100. physics

    A 1.67-kg block of aluminum at 21.7°C is to be melted and reshaped. How much heat must flow into the block in order to melt it? c_aluminum=0.386 kJ/kg.K T_fusion=1359 K L_fusion=205 kg/K

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