State whether the following provisions in an instrument otherwise in the proper form make the instrument nonnegotiable and explain why:

1. A note stating, "This note is secured by a mortgage of the same date on property located at 1436 Dayton Street, Jameson, New York"
2. A note for $25,000 payable in twenty installments of $1,250 each that provides, "In the event the maker dies all unpaid installments are cancelled"
3. An instrument reading, "I.O.U., Rachel Donaldson, $3,000"
4. A note for $1,500 "payable to the order of Marty Dooley, six
5. months after Nick Solster's death"
6. A note A note reading, "I promise to pay Rachel Donaldson $3,000"
7. A note stating, "In accordance with our telephone conversation of
8. January 7th, I promise to pay Sally Wilkenson or order $1,500"
9. An undated note for $1,500 "payable one year after date"
10. for $18,000 payable in regular installments also stating, "In the
11. event any installment is not made as provided here, the entire amount remaining unpaid may become due immediately"