How does the double bond influence the dispersion forces that can form between the hydrocarbon chains of fatty acids? Fill in the blanks

· trans double

· cis double

· saturated fatty acids

· cis fatty

· unsaturated fatty acids

· fewer

· single

· greater

· saturated fatty

· trans fatty

· In , the bonds cause the carbon chain to bend or "kink", which gives the molecules an irregular shape. As a result, acids cannot stack as closely as and thus have dispersion forces between their carbon chains.

What are the concentrations of hydroxide and hydronium ions in a solution with a ph of 10.2?

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 rate indicates the number of children that would be born per woman if she were to live to the end of her child bearing years