between 4 C and 0 C water particles form little _ I _ _ _ ? crossword puzzle

46,525 results
  1. Kinetic and Thermal energy quick check answers

    1. What is kinetic energy? a) thermal energy b) the energy of motion c) the energy of radiation d) stored energy 2. A fisherman in a boat is drinking hot coffee. The large lake below his boat is full of cold water. Which statement is an accurate comparison

  2. 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?

  3. Matter and Temperature

    A blacksmith strikes a piece of metal with a hammer repeatedly. The metal slowly begins to glow as the temperature increases, and the metal becomes more malleable. Which changes on a microscopic level led to the visible changes in the properties of the

  4. 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

  5. Science

    A blacksmith strikes a piece of metal with a hammer repeatedly. The metal slowly begins to glow as the temperature increases, and the metal becomes more malleable. Which changes on a microscopic level led to the visible changes in the properties of the

  6. chemistry

    how many "particles in solution" will form from each sucrose (C12H22O11) molecule added to water? Explain. I don't understand where I am supposed to start... What do I need to know to do this problem? thank you

  7. Chemistry (Regents level)

    1- In the reaction Fe2O3 + 3 CO = 2 Fe + 3 CO2, what is the total number of moles of CO used to produce 112 grams of iron? a) 1.0 b)2.0 c)3.0 d)4.0 2- Given the reaction: 4Al + 3O2 = 2Al2O3 How many moles of Al2O3 will be formed when 27 grams of Al reacts

  8. 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

  9. Science

    How does the C horizon form? Rainwater washes clay minerals from the A horizon to the C horizon Plant roots weather pieces of rock plants add organic material to the soil bedrock weathers, and breaks up into soil particles.** What makes up soil besides

  10. Science

    Which of the following would be true for the charged particles below A The particles in a will affect each other with Less Force than the particles in B

  11. calculus

    The position of two particles on the s-axis are s1= cos(t) and s2= cos(t+(symbol for pie)/4) a. what is the farthest apart the particles ever get? b. when do the particles collide?

  12. 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

  13. chemistry

    Earth's population is about 6.5 billion. Suppose that every person on Earth participates in a process of counting identical particles at the rate of two particles per second. How many years would it take to count 6.0 x 10^23 particles? Assume that there

  14. Science test

    Pls help In which case would connect energy of particles be increasing? A metal is heated at 1300°C B metal is heated from room temperature at 200°***** C metal is cooled at 1300°C D metal is at room temperature 37°C Water boils at 100°C and turns

  15. chemistry

    Which step during the dissolving process releases energy? A. Separating solute particles from one another B. Adding solute into the solvent C. Separating solvent particles from one another D. Mixing the particles of solute with particles of solvent

  16. 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

  17. chemistry

    which of the following would be expected to have the lowest freezing temperature? a. .1 M Ca(NO3)2 b. .1 M NaC2H3O2 c. .1 M CuSO4 d. .1 M HC2H3O2 e. .1 M C2H5OH Here is what you do Mary. delta T = Kb*i*m Kb is the same for all. m is the same for all. i is

  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. Physics 1

    The drawing shows three particles far away from any other objects and located on a straight line. Particle B is located in the middle of particles A and C. The distance between particles A and B is 0.500 m. The distance between particles B and C is 0.250

  20. Calculus help and please check answer for a)

    The decay of a certain substance is modeled by the function N(t)=100(3+e^(-t/3), where the number of particles is represented by N in a time of t hours. a) what is the initial number of particles? - I set t as 0 and got an answer of 400 particles initially

  21. chemistry

    Which answer choice correctly explains the role of the kinetic theory of matter in the process of solutes being dissolved into solvents? The continuous motion of the particles in the solvent and solute cause them to collide with one another, which results

  22. 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

  23. physics

    Spherical particles of a protein of density 2.0 g/cm3 are shaken up in a solution of 20°C water. The solution is allowed to stand for 1.0 h. If the depth of water in the tube is 3.7 cm, find the radius of the largest particles that remain in solution at

  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. CHEMISTRY!!

    Which of the following is NOT a postulate of the kinetic molecular theory? A; the average kinetic energy of the particles is directly proportional to the absolute temp. B;the forces of attraction and repulsion between the particles are insignificant C:the

  26. PLS HELP ASAP 1 SUPER HARD & ANNOYING QUESTION

    Use the diagram to answer question 13. so substance A looks like a row of three little circles on the top and bottom all organized (total six dots). substance b is all clumped together circles and is disorganized. 13. How can substance A and B be compared?

  27. Science "HELP"!

    Passage:The particles of matter are in constant motion. The energy of motion is called kinetic energy, so the particles of matter have kinetic energy. As matter becomes warmer, its particles move faster. As a result, their kinetic energy increases.

  28. Science

    which of the following could not have happened as a pot of water boiled on the stove? A. Particle vibration increased. B. Particle vibration decreased. C. Particles moved father apart. D. Particles moved randomly. My answer is C.

  29. 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

  30. 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.

  31. Science

    Perhaps you mean Hadean, when the planets of the solar system were just forming out of dust and particles. There were no solid rocks or anything yet, so you could hardly call it geologic. The thing about gravity is that if two specks of dust are drifting

  32. Science

    How do sound waves travel between a boat and a submarine in sonar technology? A. Because of water particles. B. Because of water waves. C. Because of water ripples. D. Because of water currents. Is it A?

  33. 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

  34. Physics

    The drawing shows three particles far away from any other objects and located on a straight line. The masses of these particles are mA = 363 kg, mB = 517 kg, and mC = 154 kg. Find the magnitude and direction of the net gravitational force acting on each of

  35. Science-Chemistry

    1)Fill in the blanks. In a liquid, particles are _____arranged. They move about in ____ directions and slide over one another. Can I say "irregularly" & "any" as the answers? I know "random directions" is better, but can we accept "any directions"? 2) When

  36. Physical Science Just One Question PLEASE HELP!

    In an exothermic reaction, the amount of energy required to break the attractions among the solute particles and among the solvent particles is A) greater than the energy released as attractions form between solute and solvent particles. B) less than the

  37. chemistry

    I got E) for the first and couldn't figure out the other one. Can any one verify the first and help with the second?? In which of the following processes is there a decrease in the potential energy of the substances involved? A) a coil spring is compressed

  38. chemistry

    I got E) for the first and couldn't figure out the other one. Can any one verify the first and help with the second?? In which of the following processes is there a decrease in the potential energy of the substances involved? A) a coil spring is compressed

  39. science

    Which of the following does NOT describe a suspension? A)particles are soluble B)particles settle out over time C)particles can block light D)particles scatter light

  40. Physics

    Dust particles are trapped on a surface. There are two energy levels particles can be in: absorbed on a surface with zero energy, and wiggling with energy E=3/2kT. However, since the surface area is limited, not all particles can be in any state. There are

  41. Science

    How do sound waves travel between a boat and a submarine in sonar technology? A. Because of water particles. B. Because of water waves. C. Because of water ripples. D. Because of water currents. B?

  42. chemistry

    Earth's population is about 6.5 billion. Suppose that every person on Earth participates in a process of counting identical particles at the rate of four particles per second. How many years would it take to count 8.10 x 10^23 particles? Assume that there

  43. Science

    How is the arrangement of particles in liquid mercury similar to the arrangement of particles in liquid water?

  44. physics

    Spherical particles of a protein of density 1.4 g/cm3 are shaken up in a solution of 20°C water. The solution is allowed to stand for 1.0 h. If the depth of water in the tube is 4.0 cm, find the radius of the largest particles that remain in solution at

  45. Science

    NO ONE HAS ANSWERED 1. How do microorganisms affect the quality of soil? by breaking down the remains of dead organisms*** by creating tunnels by absorbing water by increasing mechanical weathering 2. How does the C horizon form? Rainwater washes clay and

  46. MS SUE PLZ HELP

    How does the C horizon form? Rainwater washes clay minerals from the A horizon to the C horizon Plant roots weather pieces of rock plants add organic material to the soil bedrock weathers, and breaks up into soil particles.** What makes up soil besides

  47. stats

    Particles are a major component of air pollution in many areas. It is of interest to study the sizes of contaminating particles. Let X represent the diameter, in micrometers, of a randomly chosen particle. Assume that in a certain area, the probability

  48. Chemistry problem

    The formula for the Maxwell-Boltzmann distribution is given below,where y is proportional to the fraction of particles of molecular mass m at temperature T traveling at speed u. The expression frac(u1,u2) gives the fraction of particles between speeds of

  49. Physics

    Two charged particles have equal mass and carry charges of 2 nC and 3 nC respectively. They enter a magnetic field of strength 2 mT at the same velocity. Assuming that both particles exit the field parallel to each other and perpendicular to the field,

  50. 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

  51. science

    How does a hurricane form? * It forms over the warm Atlantic ocean as low pressure area It forms over the warm Atlantic ocean as a high pressure area It forms over the cool Pacific ocean as a low pressure area It forms over the cool Pacific ocean as a high

  52. Science

    In physics,Light chapter: A/c to huygens principle light travels in the form of Waves but When he explained Ripple's tank experiment he showed that light travels in the form of particles{in diagram}Why?

  53. ORGANIC CHEMISTRY

    NAME THE PROCESSES OR TECHNIQUES IN THE FOLLOWING. 1.SEPARATION OF A SOLID FROM A SOLUTION 2.WHEN WATER IS COLD TO FORM ICE 3.WHEN WATER IS BOIL TO FORM VAPOR 4.WHEN IODINE IS HEATED DIRECTLY TO FORM GAS WITHOUT BEING LIQUID 5.WHEN STEAM IS COLD TO FORM

  54. 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

  55. chemistry need help

    Clouds form when water vapor in the air collects as liquids water on dust particles in the atmosphere. What physical process takes plcae?

  56. Science

    between 4 C and 0 C water particles form little _ I _ _ _ ? crossword puzzle

  57. 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

  58. 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

  59. 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

  60. 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

  61. science

    1.What two things happen to particles in a substance when the substance is heated? 2. What are the three most common states of matter on Earth? 3. Why does a liquid take the shape of whatever container it is in but does not expand to fill the container

  62. nuclear chem

    which of the following choices correctly describes the decreasing ability of the radiation to penetrate a sheet of lead that is 3 inches thick? A. alpha particles > beta particles > gamm rays B. gamma rays > alpha particles > beta particles C. alpha

  63. Physics

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

  64. 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:

  65. physics-help

    In the figure below, four particles are fixed along an x axis, separated by distances d = 4.00 cm. The charges are q1 = +2e, q2 = -e, q3 = +e, and q4 = +5e, with e = 1.60 × 10-19 C. What is the value of the net electrostatic force on (a) particle 1 and

  66. science

    1.which two particles are found in an atoms nucleus? 2. which two particles in an aton are equal in number? 3. what two particles account for almost all of the mass of an atom?

  67. 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

  68. 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

  69. science

    if an object covers a large enough area of the water's surface, it can float on the water because of the________of water particles

  70. 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

  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

    If a solution has a lot of particles, is it going to have a low or high boiling point? For instance, would NaCl have a higher or lower boiling point than C12H22O11, based on the amount of particles it has (NaCl has more than C12H22O11)? Are you thinking of

  73. Physics

    Consider the figure above consisting of three particles of mass m attached to a massless rod. Given an axis of rotation through point P, the rod rotates as shown in the figure. If the rod is released from rest in the horizontal position at t = 0. What is

  74. Physics (please help!)

    1000 dust particles are trapped on a surface. There are two energy levels the particles can be in: absorbed on the surface in a zero energy state, or excited with energy E1. At a certain temperature T0, the particles are in thermal equilibrium, and 20 % of

  75. Chem AP

    A 0.505-g sample of a compound is dissolved in enough water to form 100.0 mL of solution. This solution has an osmotic pressure of 2.56 atm at 25°C. If each molecule of the solute dissociates into two particles (in this solvent), what is the molar mass of

  76. chemistry

    Earth's population is about 6.5 billion. Suppose that every person on Earth participates in a process of counting identical particles at the rate of four particles per second. How many years would it take to count 8.10 x 10^23 particles? Assume that there

  77. chemistry

    Earth's population is about 6.5 billion. Suppose that every person on Earth participates in a process of counting identical particles at the rate of two particles per second. How many years would it take to count 6.0 x 10^23 particles? Assume that there

  78. Science

    Which of the following could not have happened as a pot of water boiled on the stove? A-Particle vibration increased. B-Particle vibration decreased. C-Particles moves farther apart. D-Particles moves randomly. If you have 8-15 as well that would be

  79. science

    i need information about boiling water this is what i have Boiling water is the temperature at which a liquid bubbles and changes into vapor. You can boil water outside but, only when it’s hot out you can use the stove, or even the mircove. There’s

  80. 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

  81. Science

    What absorbs or reflects energy from the sun in the atmosphere? I say- Water vapor,carbon dioxide,the ozone layer,Clouds, dust, and other particles absorb energy. Clouds, dust particles and molecules of gases reflect energy. Is this right?

  82. chemistry

    If I wanted to make two solutions. In one I will mix Chemical A into 1 Liter of water. In the second I will mix Chemical B into 1 Liter of water. If I want my two solutions to be the same concentration they should contain the same number of PARTICLES. How

  83. 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

  84. Physics (Electric charge for charged rods)

    I need help with this question, please. What is the direction of the force between (a) two particles whose charges are the same sign and (b) two particles of opposite sign? (c) What happens to the magnitude of the force when the distance between two

  85. chemistry

    Is this statement accurate? the boiling point of the distilled water was 99°C. After five minutes, the temperature still stayed the same; it remained constant. The liquid was becoming a gas. Phase change means there is an energy change. When the

  86. Physics

    Three charged particles form a triangle: particle 1 with charge Q1 = 84.0 nC is at xy coordinates (0, 4.60 mm), particle 2 with charge Q2 is at (0, -4.60 mm), and particle 3 with charge q = 40.0 nC is at (6.40 mm, 0). What are the x component and y

  87. 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

  88. Chemistry

    which solution has the highest boiling point? a. 1 mole of NaNO3 in 500 g of water b. 1mole of NaNO3 in 1000g of water c. 1mole of NaNo3 in 750g of water d. 1mole of NaNo3 in 250 g of water The boiling point of water is elevated by about 0.5 degree for a 1

  89. physics

    Two protons and two positrons form a square as shown in the figure. All the particles are initially at rest. Due to Coulomb's repulsion, the particles fly off to infinity. Determine the ratio vp/ve where vp and ve are the final velocities of the protons

  90. Physics

    Two particles A and B,are of equal mass,and moving towards each other,with speeds of 3m/sand 2m/s respectively and collide.Particle B then strikes a plane surface,which is perpendicular to its direction of motion and the rebounce.If the coefficient of

  91. Physics

    In an experiment done by scattering 5.5 MeV α particles on a thin gold foil, students find that 10,000 α particles are scattered at an angle greater than 90 degrees. How many α particles will be scattered between 60 degrees and 80 degrees?

  92. AP Chem.

    NaCl dissociates completely in water. Therefor the total number of particles in a 1.0 m NaCl solution is no longer 6.02 X 10^23. Since a colligative property is dependent only on the total number of solute particles, what is the freezing point for 1.0 m

  93. Materials Science

    A materials scientist is working on developing a dispersion-hardened aluminum alloy. What is the minimum surface energy required for the dispersion particles to induce dislocations to be pinned at the particles, and bow out around them, rather than to cut

  94. Astronomy

    Why didn’t the Universe collapse into a black hole in the past when there was so much matter in such a small space? (a) Most of the particles in the early Universe were unstable and decayed before a black hole could form. By the time only stable

  95. science

    1. Which type of metal did Rutherford shoot alpha particles into? A)Copper B)Zinc C)Gold D)Platinum 2.When Thomson held a positively charged plate near the cathode ray, the beam bent toward the plate. What conclusion can be drawn from this observation?

  96. answer check science

    1. Which type of metal did Rutherford shoot alpha particles into? A)Copper B)Zinc C)Gold D)Platinum 2.When Thomson held a positively charged plate near the cathode ray, the beam bent toward the plate. What conclusion can be drawn from this observation?

  97. phyysics-please help!

    an arrangement of four charged particles, with angle θ = 34.0 ˚ and distance d = 1.50 cm. Particle 2 has charge q2 = 8.00 × 10-19 C; particles 3 and 4 have charges q3 = q4 = -1.60 × 10-19 C. What is the distance D between the origin and particle 2 if

  98. English

    1. We can use less water when we do the dishes. 2. We can use less water when we are doing the dishes. 3. We can use only a little water when we wash a car. 4. We can use only a little water when we are washing a car. ===================== Are they all

  99. chemistry

    consider a random mixture of two particles,diamond and SiC.Assume all particles are spherical with a radius of 0.100mm. The mixture is 80.0 wt% diamond(density=3.51 g/ml) and 20.0 wt% SiC (density=3.23 g/ml) a)Calculate the mass of a single particle

  100. physic

    3. I have two identical dust particles. They are spheres with diameters of 0.0001 meter (about the same as a hair). They have the same density as water so they each have a mass of 10-12 kg. If each dust particle goes through a discharge so that 2.40 „e

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