Please identify and write down the argument form. Then, provide a counterexample to show the argument’s invalidity

Following arguments are invalid. Please
identify and write down the argument form. Then, provide a
counterexample to show the argument’s (the argument form’s)
invalidity. (please submit here)

1. No genuine
   Americans are communist spies. Some Oregonians are not communist
   spies. Therefore, some Oregonians are genuine Americans.

2. All vegetarians
   who refuse to eat animal products are vegans. No vegetarians who
   refuse to eat animal products are cattle ranchers. Hence, no vegans
   are cattle ranchers.

3. All rock musicians
   are cool. No nerd is a rock musician. Hence, no nerd is cool.

4. All people who
   despise animals are neurotic. No veterinarian is a person who
   despises animals. Thus, no veterinarian is neurotic.

5. All destructive
   acts are evil. Some wars are evil. So, some wars are destructive
   acts.

6. No rock is
   sentient. Some mammals are sentient. No mammal is a rock.

7. Some intelligent
   people are highly immoral. All highly immoral people are unhappy.
   Therefore, some unhappy people are not intelligent.

8. If you want to
   ruin your life, you should take hard drugs. But you don’t want to
   ruin your life. So, you should not take hard drugs.

9. Sam is wealthy if
   he has more than a billion dollars. But Sam does not have more than
   a billion dollars. Therefore, Sam is not wealthy.

10. If Lewis is a
    famous author, then he knows how to write. But Lewis is not a famous
    author. So, he does not know how to write.

11. All planets are
    round. The earth is round. Therefore, the earth is a planet.

12. If my society
    approves of genetic engineering, then genetic engineering is right.
    But my society does not approve of genetic engineering. So, genetic
    engineering is not right.

13. Those who are
    responsible for 9/11 are terrorists and Muslims. Therefore, all
    Muslims are terrorists.

14. If Donald Trump
    wins the presidential election, then he will be the next president.
    If Donald Trump wins the presidential election, then the U.S.
    foreign policies will be a mess. Thus, if Donald Trump becomes the
    next president, then the U.S. foreign policies will be a mess.

15. Tomatoes are either fruit or vegetables.
    Tomatoes are fruit. So, they are not vegetables.

Im not looking for someone to do these for me,
im just looking for someone to explain it to me,
Give me an
example to go on.