Astudent would like to determine how heating a liquid changes its volume. the student hypothesizes that the liquid will increase in volume. the following list shows the steps taken by the student in order to test the hypothesis. select the liquid to test. place the liquid in a sealed container. use a bunsen burner to heat the liquid by 10°c. measure the volume of the liquid. record the results. what is wrong with how the student conducted the investigation? a. the length of time it took for the liquid to be heated should be measured. b. the student should have increased the temperature of the liquid by more than 10ºc. c. the hypothesis was not valid because it is impossible for liquids to change in volume. d. the volume of the liquid should be measured before it is heated

Modern weaponry has increased the number of deaths in wars and violent conflicts.

What is i fracture in the crust called when land move up, down or sideways

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.