6. (1 point) What is the correct net ionic equation for the reaction of acetic a

Question

6. (1 point) What is the correct net ionic equation for the reaction of acetic acid and sodium A. H+(aq) + OH-(aq) H2O(l) B. HC2H3O2(aq) + NaOH(aq) NaC2H3O2(aq) + H2O(1) C. C2H30 (aq) + Na+(aq) NaC2H3O2(aq) D. HC2H3O2(aq) + OH-(aq) C2H305(aq) + H2O(1) 7. (1 point) Which of the following statements regarding the isotope A. This is an isotope of iron (X-Fe). B. The mass of a single atom is approximately 57 amu. C. A neutral atom of this isotope has 26 electrons. D. This isotope has 26 neutrons. 8. (1 point) Within the visible region of the electromagnetic spectrum, violet light has wave- lengths near 400 nm and red light has wavelengths near 700 nm. Which of the following statements is true? A. Violet light has a higher energy and a higher frequency than red light. B. Violet light has a lower energy and a higher frequency than red light. C. Violet light has a lower energy and a lower frequency than red light. D. Violet light has a higher energy and a lower frequency than red light. 9. (I point) Which of the following sets of quantum numbers is possible for an electron within a 4d orbital of an atom? B. n=4,l=3,ml = +2, m,-+ D. n=4,1=2, m1 = 0, ms = +1 10. (1 point) The standard enthalpy of formation for ethane is H) =-84.667 kJ mol-1. Which of the following reactions corresponds to the formation reaction of ethane? A. 2Cls,graphite) + 6H(g) C2H6(g) B. 2Cls,graphite) + 3H2(g) C2H6(g) C. C2H6(g) + 102(g) 2CO2(g) + 3H20(1) D. C2H6(g) 2C(s,graphite) + 3H2(g)

Explanation / Answer

6.CH3COOH(aq) + NaOH(aq) --------> CH3COONa(aq) + H2O(l)
    CH3COO^-(aq) +H^+(aq) + Na^+(aq) +OH(aq) --------> CH3COO^-(aq)+Na^+(aq) + H2O(l)
   removal of spectator ions to get net ionic equation
   H^+(aq) +OH(aq) --------> H2O(l)
A.H^+(aq) +OH(aq) --------> H2O(l)
7.no of neutrons = A-Z = 57-26 = 31
D. This isotope has 26 neutrons
8.A >>>answer
9.C >>>>answer
10.A. 2C(s) +6H2(g) -------> C2H6(g)

  

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