Acan of diet soda will float in water while a can of regular sugar soda will sink. which of these best describes why this would occur? a) the regular soda is more dense than the diet soda. b) the diet soda is more dense than the regular soda. c) the sugar in the regular soda makes it less dense than water. d) the lack of sugar in the diet soda makes it more dense than the water.

The clouds are grey and ground is wet. a quantitative b qualitative

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.

Ahypothesis must be testable and falsifiable to be considered scientific a. trueb. false