I NEED HELP ASAP IM ON TIMER. If hydrofluoric acid is a stronger acid than acetic acid, which statement is most likely true?

O The conjugate acid of hydrofluoric acid is weaker than that of acetic acid.

O The conjugate acid of hydrofluoric acid is stronger than that of acetic acid.

O The conjugate base of hydrofluoric acid is weaker than that of acetic acid.

O The conjugate base of hydrofluoric acid is stronger than that of acetic acid.

The agent of mechanical weathering in which rock is worn away by the grinding action of other rock particles is call

An atom of sodium-23 (atomic number = 11) has a positive charge of +1. give this information, how many electrons does it have? how many proteins and neutrons does this atom have

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.