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O 1.5 X 103 Question 14 5 pts Which of the following is not considered a...
Which of the following is not considered a state function, but rather is associated with a process or a flow? E, energy p. pressure T, temperature H, enthalpy q, heat
Which of the following statements is incorrect?
Which of the following statements is incorrect? Select one: O a. Enthalpy is a state function. O b. The value of q is positive when heat flows into a system from the surroundings. OC. Internal energy is a state function. O d. Heat flows from a system into the surroundings in an endothermic process. e. The value of q is positive in an endothermic process.
Question 5 (1.5 pts] Which one of the following statements about the organic products of Reaction #4 is correct? Reaction #4 KMnO4, H,O, NaOH, cold Both OH groups occupy axial positions Both OH groups occupy equatorial positions o One OH group occupies an axial position while the other OH group occupies an equatorial position O None of the above Question 6 (1.5 pts) How many organic products are formed in Reaction #5? Hints The alkenes react sequentially, rather than at...
Question 15 1.5 pts What is the average bond order for a si-o bond in the ion SiO32-? 1 2/3 3/2 4/3 Question 10 1.5 pts An aqueous solution of HCl is added to an aqueous solution of NaOH in a coffee cup calorimeter. The reaction is that of neutralization between the acid and the base: HCI + NaOH + H2O + NaCl To calculate the approximate enthalpy change for this reaction using q = m.CAT, what value should the...
Question 5 (1.5 pts] Which one of the following statements about the organic products of Reaction #4 is correct? Reaction #4 KMnO,,H,O, NaOH, cold Both OH groups occupy axial positions Both OH groups occupy equatorial positions One OH group occupies an axial position while the other OH group occupies an equatorial position None of the above Question 6 (1.5 pts) How many organic products are formed in Reaction #5? Hints The alkenes react sequentially, rather than at the same time...
14. (5 pts) Suppose the solubitity in water of Al(OH)3 in g/L is 1.127 x 103. What is the Ksp for Al(OH) 3? You must show the ionization reaction and your work!
12:47 1 Exit Question 1 0.5 pts When 34.8 g of sodium chloride is dissolved in water, 2.31 kJ of energy is absorbed. Is the enthalpy of dissolution of NaCl exothermic or endothermic? Endothermic Exothermic Question 2 0.5 pts What is the balanced thermochemical equation for the combustion of two moles of gaseous acetylene, C2H2, with oxygen to produce carbon dioxide and water vapor at 24.59°C given that 2512 kJ of heat is released at a constant pressure of 1.14...
Question 5 (2.0 pts) Assume that Cp for an ideal gas is given by co(T) = 0.9 + 2.5 x 10-* T, in kJ/kg-K, where is the temperature in Kelvin. (Use the gas constant R = 0.3 kJ/kg-K) (a) (+0.4) Derive an expression for Cy as a function of temperature. The gas undergoes an isochoric process from a temperature T, = 400 K to T2 = 500 K. Calculate the change in (b) (+0.6) enthalpy, in kJ/kg, (c) (+0.6) entropy,...
Question 14 1.5 pts Arrange the following species in increasing size: Al, Al3+, S, and 52- O 52- <AL<S<A13+ A13+ < Al<S< 52- S<A13+ < AL<52- O 52-< Al<A13+ <5 O A13+ <5<AL<52- Question 15 1.5 pts What is the average bond order for a Si–O bond in the ion SiO32- ? 1 2/3 O 3/2 O2 O 4/3
5. (3 pts) Wh be considered in order to understand solubility (this question is not but for the molecules between which IMFs need to be considered) en a crystal dissolves in a solvent, give all of the INTERMOLECULAR FORCES that need to asking for the names or types of IMF 6. (6 pts.) From the solubility experiment you will have concluded that biphenyl is soluble in hexane. On the following solute/solvent representation, state ALL of the IMF that need to...