Lisa wants to determine which melts faster, an ice cube or a popsicle. what procedure should she follow to conduct her
experiment?
a.
set an ice cube and an orange popsicle at room temperature, and time how long it takes each to melt.
b.
set an ice cube equal in size to a popsicle at room temperature, and time how long it takes each to melt.
c. set any ice cube and any popsicle at room temperature, and time how long it takes each to melt.
d.
set an ice cube and a chocolate popsicle at room temperature, and time how long it takes each to melt.

Which atom or ion is the largest? 0 a. 0 0 0 0 e. li

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.

What is the molar mass of potassium nitrate, kno3