Astudent is making a diagram of the water cycle. what should the student draw to illustrate precipitation? a. an arrow pointing from a cloud to the ground b. an arrow pointing down a hill to a body of water c. an arrow pointing from a plant's leaves to the sky d. an arrow pointing from a body of water to the sky

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.

Answer asap need by wednesday morning calculate the ph of 0.036m naoh best answer will be brainliest

Measurements that have similar values are: a. usually accurate b. sometimes accurate c. always accurate d. never accurate