Shelley has a balloon with a small amount of baking soda in it. She fits the open end of the balloon over a graduated cylinder containing some vinegar. As she lifts the end of the balloon, the baking soda pours into the vinegar causing bubbling and fizzing to occur. Marie observes the balloon begin to "fill" up. Based on these observations, which of these can Marie determine about the new substance formed by mixing baking soda with vinegar?

According to coulomb's law, how would the electrical force between particles change if the product of their electrical charge increased?

This drawing shows a human body system. what is the primary function of this body system?

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.