The second word should not be capitalized
Yes it should be capitalized.
No, "restaurant" is not capitalized in the phrase "Chinese restaurant." The only word that should be capitalized is "Chinese" in this context.
Accounts Payable should be capitalized if using the phrase as a proper noun. If not then it does not need to be capitalized.
Yes, "Seventh" should be capitalized in the phrase "Seventh graders" because it is part of the proper noun and specifically refers to the grade level.
If the phrase junior (Jr) is at the end of a person's name, it is capitalized. As in Daniel Boorstin, Jr.
Yes. The title of the monument is the "Jefferson Memorial" as a result, memorial is capitalized.
Yes it should.
Yes, "Eastern" in reference to the eastern United States should be capitalized as it is part of the proper noun.
no because it isn't part of the holiday.
yes if you want it to be that way then go ahead
The phrase "law firm" shouldn't be capitalized but the titles of specific law firms should be.