please answer all 11. Which of the following is a balanced net ionic equation for the reaction of asolution of Na3PO4(aq) with a solution of SrCl(aq)?A. 2PO4 (aq) + 3Sr²(aq)Sr(PO4)2(S)B. 2Na PO.(aq) + 3SrCl(aq)Sr3(PO4)2(s) + 6NaCl(aq)C. 6Na*(aq) + 2PO² (aq) + 3Sr² (aq) + 6Cl(aq) → Sr(PO)(s) + 6Na'(aq) + 6CF(aq)D. 6Na (aq) + 6Cl(aq) 6Na (aq) + 6Cl(aq)E. No reaction takes place between these two solutions.-12. Which of the following is true?A. An increase in concentration of reactants usually causes an increase in the rate offormation of products.B. The higher the temperature the lower the reaction rate due to more effective collisions.C. Products will form if two molecules collide with enough energy to overcome theactivation energy.D. Choices B and C are true.13. Which of the following is true about energy diagrams.A. In an exothermic process the energy of the products is lower than the energy of thereactants.B. In an endothermic process the energy of the products is lower than the energy of thereactants.C. The energy of activation is the difference in energy between the reactants andproducts,D. Choices B and C are correct.

As per bartleby guidelines i answered only first question so please don't mind and post other…

11. Which of the following is a balanced net ionic equation for the reaction of a solution of Na3PO4(aq) with a solution of SrCl(aq)? A. 2PO4 (aq) + 3Sr²(aq) Sr(PO4)2(S) B. 2Na PO.(aq) + 3SrCl(aq) Sr3(PO4)2(s) + 6NaCl(aq) C. 6Na*(aq) + 2PO² (aq) + 3Sr² (aq) + 6Cl(aq) → Sr(PO)(s) + 6Na'(aq) + 6CF(aq) D. 6Na (aq) + 6Cl(aq) 6Na (aq) + 6Cl(aq) E. No reaction takes place between these two solutions. -