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CHAPTER 7—KMT!

CHAPTER 7—KMT!. KMT. Changes. Density. Volume. Mass. 10. 10. 10. 10. 10. 20. 20. 20. 20. 20. 30. 30. 30. 30. 30. 40. 40. 40. 40. 40. 50. 50. 50. 50. 50. Topic 1 – 10 Points. QUESTION: What the K stands for in KMT ANSWER: What is KINETIC?. Topic 1 – 20 Points.

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CHAPTER 7—KMT!

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  1. CHAPTER 7—KMT!

  2. KMT Changes Density Volume Mass 10 10 10 10 10 20 20 20 20 20 30 30 30 30 30 40 40 40 40 40 50 50 50 50 50

  3. Topic 1 – 10 Points • QUESTION: • What the K stands for in KMT • ANSWER: • What is KINETIC?

  4. Topic 1 – 20 Points • QUESTION: • How particles behave in solids. • ANSWER: • What is they are touching and vibrating

  5. Topic 1 – 30 Points • QUESTION: • How particles behave in Liquids • ANSWER: • What is touching, sliding past each other

  6. Topic 1 – 40 Points • QUESTION: • How particles move in gases • ANSWER: • What is moving around rapidly with lots of space between them

  7. Topic 1 – 50 Points • QUESTION: • What the T MEANS in KMT • ANSWER: • What is THEORY—a scientific explanation supporting by a lot of evidence

  8. Topic 2 – 10 Points • QUESTION: • This is melting • ANSWER: • What is turning from a SOLID to a LIQUID

  9. Topic 2 – 20 Points • QUESTION: • This is evaporation. • ANSWER: • What is turning from a liquid into a gas?

  10. Topic 2 – 30 Points • QUESTION: • This is condensation. • ANSWER: • What is turning from a gas into a liquid?

  11. Topic 2 – 40 Points • QUESTION: • This is another name for solidification. • ANSWER: • What is freezing

  12. Topic 2 – 50 Points • QUESTION: • This occurs when matter changes from a gas to a solid (and/or back again) • ANSWER: • What is SUBLIMATION?

  13. Topic 3 – 10 Points • QUESTION: • This is the formula for DENSITY • ANSWER: • D = M/V

  14. Topic 3 – 20 Points • QUESTION: • This is the density of water. • ANSWER: • What is 1 g/mL or 1 g/cm3

  15. Topic 3 – 30 Points • QUESTION: • If the mass is 400 g and the volume is 200 mL, this is the density. • ANSWER: • D=M/V which is 400g/200mL= 2 g/mL

  16. Topic 3 – 40 Points • QUESTION: • This is the density of a piece of styrofoam with a mass of 80 g and a volume of 160 cm3 • ANSWER: • D=m/v = 80g/160 cm3 = 0.5 g/cm3

  17. Topic 3 – 50 Points • QUESTION: • This is the density of a cube with sides of 2 cm and a mass of 24 g • ANSWER: • V= sxsxs=2x2x2 cm3=8 cm3 • D = m/v= 24 g/ 8 cm3 = 3 g/ cm3

  18. Topic 4 – 10 Points • QUESTION: • This is the formula to calculate mass give density and volume. • ANSWER: • What is m = volume x density

  19. Topic 4 – 20 Points • QUESTION: • This is the mass of a LITRE of water? • ANSWER: • What is 1 g/mL x 1000 mL = 1000g or 1kg?

  20. Topic 4 – 30 Points • QUESTION: • This is the mass of 300 mL of alcohol with a density of 0.7 g/mL. • ANSWER: • What is m=dxv= 300 mL x 0.7 g/mL = 210 g

  21. Topic 4 – 40 Points • QUESTION: • This is the mass of a 4 cmper side cube of material with a density of 2.5 g/ cm3 • ANSWER: • What is m=dxv= 2.5 g/ cm3 x (4x4x4) cm3 = 160 g

  22. Topic 4 – 50 Points • QUESTION: • This is the mass of a litre of gold. • ANSWER: • What is m=vxd=1000 cm3 x 19.3 g/ cm3 • = 19,300 g or 19.3 kg

  23. Topic 5 – 10 Points • QUESTION: • This is the formula to calculate volume when given mass and density. • ANSWER: • What is VOLUME = MASS/DENSITY

  24. Topic 5 – 20 Points • QUESTION: • What is the volume of 1 kg of water? • ANSWER: • V = M/D= 1000 g / 1 g/ cm3 = 1000 cm3 or mL or 1 L.

  25. Topic 5 – 30 Points • QUESTION: • What is the volume of 250 g of salt-water with a density of 1.1 g/mL? • ANSWER: • V= M/D= 250 g/1.1 g/mL = 227.27 mL

  26. Topic 5 – 40 Points • QUESTION: • What is the volume of 5 kg of popcorn with a density of .8 g/ cm3? • ANSWER: • What is V=M/D = 5000 g / .8 g/ cm3 = 6,250 cm3

  27. Topic 5 – 50 Points • QUESTION: • These are two units of volume • ANSWER: • What are mL and cm3

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