17. (WCSU24.[x], 8 points) Zinc gluconate (C12H22O14Zn, MW = 455.685 g/mol) is the active ingredient in Cold-Eeze lozenges. The label claims that zinc supplements can shorten the common cold by 42%. a. What is the mass percent of zinc in zinc gluconate? b. There are 94 mg of zinc gluconate in a Cold-Eeze lozenge, how much zinc is consumed? Periodic Table In the box below, enter the mass of zinc consumed from part b.
Read Details(WCSU24) Below is the structure of glutathione, a powerful antioxidant produced in the liver that plays a role in removing free radicals that can cause cell damage. Identify the formal charges on the atoms A-D. All the lone pairs are drawn in for you. Labeled Atom Formal Charge A [blank1] B [blank2] C [blank3] D [blank4] , Periodic Table
Read Details13. (WCSU24.[x], 5 points) Draw the structure shown below and add curved arrows to show the movement of electrons to give a resonance contributor. Draw this resonance contributor. Be sure to include lone pairs and formal charges on your structure as needed. In the box below, enter the number of C-N bonds in your resonance structure.
Read Details(WCSU24) Shown below is the structure of a neurotransmitter that plays a role in the fight or flight response. Complete the table below. Question Answer How many sigma bonds are present? [blank1] How many pi bonds are present? [blank2] How many lone pairs are in the structure? [blank3] What orbitals overlap to form the bond indicated by a? (select n/a if only one set) [blank4], [blank5] What orbitals overlap to form the bond indicated by b? (select n/a if only one set) [blank6], [blank7] Periodic Table
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