Use the following diagram to answer questions 11-13. 11. If the amplitude is 5 mm, and the magnitude of the quake is 6, what is the time difference between the P and S waves?
12. If the earthquake is 40 km from the seismic station, and the amplitude is 50 mm, what is the magnitude of the quake?
13. If the is time difference is 4 s, and the magnitude of the quake is 2.5. What is the amplitude?

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What does earth’s rotation on its axis cause? the tides night and day passing of years phases of the moon

7. using your knowledge of colligative properties explain whether sodium chloride or calcium chloride would be a more effective substance to melt the ice on a slick sidewalk. use 3 – 4 sentences in your explanation. 8. when a 2.5 mol of sugar (c12h22o11) are added to a certain amount of water the boiling point is raised by 1 celsius degree. if 2.5 mol of aluminum nitrate is added to the same amount of water, by how much will the boiling point be changed? show all calculations leading to your answer or use 3 – 4 sentences to explain your answer. 9. if 5.40 kcal of heat is added to 1.00 kg of water at 100⁰c, how much steam at 100⁰c is produced? show all calculations leading to an answer. 10. the freezing of water at 0⁰c can be represented as follows: h2o (l) ↔ h2o(s) the density of liquid water is 1.00 g/cm3. the density of ice is 0.92 g/cm3. in 3 – 4 sentences explain why applying pressure causes ice to melt.

How does the motion of particles in a gas change as the gas cools