34. What is meant by absolute zero?1 pointThe point at which particles stop moving.The point at which oxygen gas freezes.The point at which water freezes.The point at which motion of particles slows down.

What is absolute zero?A.The temperature at the coldest point of outer spaceB.The freezing point of pure water at sea levelC.The temperature at which molecules stop movingD.The temperature referenced at 0 on the Celsius scale

13. The freezing point of water is the same as its ______.*1 pointA. boiling point.B. evaporation point.C. melting point.D. sublimation point.14. Which state of matter undergoes changes in volume most easily?*1 pointA. solidB. liquidC. gas 15. Which statement best explains the fact that gases can be compressed?*1 pointA. The particles in a gas do not have a fixed volume.B. The particles in a gas are very far apart.C. The particles in a gas have no force of attraction (bonds) between them.D. The particles in a gas are constantly moving very rapidly.16. Which of the following states of matter has the highest density?1 pointA. SolidB. LiquidC. Gas17. In which state of matter are particles held together by weak forces of attraction and are able to move freely over long distances?*1 pointA. SolidB. LiquidC. Gas18. Particles of all matter are in constant random motion.*1 pointA. TrueB. False19. These particles are held together by very strong forces of attraction*1 pointA. SolidB. LiquidC. GasD. Plasma20. What happens to particles of liquid when they are heated?*1 pointA. They slide over one another faster and move further apartB. They slow down and compressC. They stop movingD. They slide over one another slower and move closer together

Use these data to calculate absolute zero.  Temperature (°C)Volume (mL)Room temperature Bath20.005.21Hot water bath53.005.96Water + ice bath-2.005.06Salt water + ice bath-6.004.80(10pts)Absolute Zero

1)the magnitude of the velocity of a particle is equal to speed 2)the magnitude of average velocity of a particle in an interval is equal to its average speed in that interval 3)it is possible to have a situation in which the speed of a particle is never zero but average speed in an interval is zero 4)it is possible to have a situation in which the speed of a particle is zero but the average speed is not zero a) 1 and 4 are true b) only 1 is zero c) 2 and 3 are true d) 1 and 3 are true

Ice melts at 0 oC. Water boils at 100 oC. When a little salt is added to pure water, the melting point will __________ and boiling point will __________.