Quick Tips: Practicing Chords

Hi, I would love some guidance on chord progressions.

Thanks for your insightful and patient coaching of Liszt Spanish Rhapsody! It is very helpful for me to improve my interpretation and alleviate my quick temper.  I have tried not to rush from your advice, but I still ecounter some difficulties this rhapsody in the following:

(1)  Regarding Chromatic Chords from bars 89 to 98, it's hard for me to coordinate well and play them together. Sometimes I tend to rush from bars 95 to 98.
(2)  As for Arpeggio Octaves leading to Octave chords in similar motion from bars 108 to 112, it is difficult for me to play accurately and in singing style. Especially from bars 110 to 112, I always miss the last three semiquaver octaves when playing these two bars.  I wonder whether it is my problem of putting hand position between black and white keys.
(3)  In the Molto vivace section from bars 501 to 521, the Interlocking octaves with leaping octave chords is challenging for me to play evenly (wrist relaxation), have a good control and create shapes. When try to play leapings and switching between Staccatissmo and Marcato, l tend to rush after the chords.
(4)   As for Octave Chords with Arpeggio Octaves from bars 547 to 556, I feel so tense on my left hand when playing this passage together with Upper Chords.  It's very challenging for me to coordinate well and control steadily on Octave Chords with Arpeggio Octaves in contrary motion in bars 553 to 555.
(5)  Regarding Leaping chords with octaves in Contrary Motion from bars 621 to 632, it is hard for me to play them accurately.  Sometimes I tend to rush from bars 625 to 630.

Ravel Scarbo difficulties:
(1) Regarding Octave Chords with wide arpeggios from bars 177 to 193, it is hard for me to coordinate well.
(2)  As for Both hands' Chords from bars 299 to 302 and bars 309 to 312, it is very difficult for me to play them evenly in a relaxing state.
(3)  I found the broken arpeggio octave chords with octave leaps in lower part was very challenging for me to play it accurately, especially I am not sure how to be relaxed to move my wrists and arms. 
(4)  The Interlocking octave chords with leaps from bars 356 to 365 are very challenging for me play them evenly in a relaxing state.
(5) The Interlocking octave chords with wide leaps from bars 564 to 578 are very hard for me to play them evenly and control in the steady tempo.

I love being able to watch the archived Livestreams! I just watched this one, and I enjoyed it very much! Thank you, Dominic! Thank you to everyone who asked such probing, interesting questions, too! Enriching!