Google 'List of universities in the US', follow one of the links to the university list, go to each university's website one after the other, and start looking at the admission requirements of each university. Take your time to understand everything about those universities.

10 common fully funded scholarships in the UK

1. Bristol University Think Big Scholarships
2. Chancellor’s International UK Scholarship
3. Edinburgh Global Research UK Scholarships
4. Gates Cambridge Scholarships In UK
5. Rhodes Scholarship
6. Scholarships From British…

The scholarship also applies to you at the University of York. You can also focus on the US. There is a lot of funding for chemistry in the US.

Apply to Chevening Scholarships in the UK when it opens through the University of Aberdeen, the University of Derby, the University of Exeter, or the University of Glasgow. They all have your program under the scholarship.

Likely Questions and Answers
twitter.com/temabef/status…

Yes, there are several exchange programs in the US for PhD students.
Common universities with exchange programs with grants
1. Yale University
2. University of Chicago
3. UC Berkeley
4. Columbia Univesity
5. New York University

And lots more.

Do these 3 things.

1. Highlight transferable skills
2. Research the professor's work, and propose how you can contribute (even in a new way).
3. Focus on your eagerness to learn and grow within their area.

If you find a faculty member whose research perfectly complements your own and aligns with the department's core research, then you can tailor your research interest to the faculty member's interest.

A lot of universities in the US do not require WES evaluation for BSc transcripts. You can easily find them.