For the reaction 2N2O5 (g) --> 4NO2 (g) + O2 (g), delta G_298 = -32 kJ/mol. Which of the following statements is correct? a) The reaction is always spontaneous at all conditions. b) The reaction is always nonspontaneous at all conditions. c) Kp for this reaction is less than 1.0 at 298K. d) The reaction could be non spontaneous at very high partial pressures of NO2 (g) and O2 (g). e) The reaction could be non spontaneous at very high partial pressures of N2O5 (g).

What’s the percent by mass of carbon in c10h14n2

What effect does a decrease in temperature have on the overall rate of a chemical reaction? a decrease in temperature decreases . the reaction rate will

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.