COPY out the following sentences and fill in the gaps. 1. Sulfuric acid releases ions in solution. This makes the solution .

2. Sodium hydroxide is an . It releases ions in solution. This makes the solution .

3. Write word and symbol equations for both of the above situations, a template is given below.

Sulfuric acid --> +

--> +

Sodium hydroxide --> +

--> +

Using data from seismic waves, geologists have learned that earth’s interior is made up of several

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.

Which statement can best be concluded from the ideal gas law?