Chcę pogadać, posiedzieć i trochę powspominać.

Chcę is the 1st person singular present tense of chcieć — to want.

So:

• chcę = I want
• pogadać, posiedzieć, powspominać = infinitives, like to chat, to sit around, to reminisce

This works just like English:

• I want to talk, sit for a while, and reminisce.
• Chcę pogadać, posiedzieć i trochę powspominać.

After chcieć, Polish normally uses the infinitive of the next verb.

Yes — one chcę is enough.

The sentence literally has the structure:

• I want [to chat], [to sit around], and [to reminisce a bit].

In Polish, if one subject wants to do several things, you can list the infinitives after a single chcę:

• Chcę pogadać, posiedzieć i powspominać.

You do not need to repeat chcę before each verb unless you want extra emphasis.

For example:

• Chcę pogadać, posiedzieć i trochę powspominać. — normal
• Chcę pogadać, chcę posiedzieć i chcę trochę powspominać. — possible, but more emphatic or stylistically heavier

Gadać means to talk/chat, but it is often a bit colloquial.
Pogadać is a related verb that usually means to have a chat, to chat for a bit.

So the difference is roughly:

• gadać = to be talking / to talk in general
• pogadać = to talk for a while, have a chat

Compared with more neutral verbs:

• rozmawiać = to converse, to talk
• porozmawiać = to have a conversation, talk for a bit

So pogadać sounds natural and informal, like:

• Let’s chat a bit.
• I just want to sit down and talk.

It has a warm, casual tone.

This is a very common Polish nuance.

• siedzieć = to sit / be sitting
• posiedzieć = to sit for a while, spend some time sitting

The prefix po- often adds the idea of doing something for some time, often in a relaxed or limited way.

So:

• Chcę siedzieć = I want to sit / be sitting
  (more literal, less natural in this context)
• Chcę posiedzieć = I want to sit for a while / hang around / spend some time sitting

In this sentence, posiedzieć sounds much more natural because it suggests a social situation: sitting together, spending time, not merely physically taking a seat.

• wspominać = to remember, recall, reminisce
• powspominać = to reminisce for a while, to spend some time remembering old things together

Again, the prefix po- gives that sense of doing something a bit / for some time.

So:

• wspominać can describe the general activity of reminiscing
• powspominać sounds like have a little reminisce session, often in a friendly, nostalgic way

In this sentence, trochę powspominać is very natural and expressive:

• reminisce a little
• look back on old times for a bit

Yes, it is important.

All three verbs have a po- prefix:

• pogadać
• posiedzieć
• powspominać

In this sentence, po- gives a very common Polish meaning:
to do something for a while / a bit / in a limited, non-ongoing way.

That is why the sentence feels so natural and conversational. It does not sound like a grand plan; it sounds like:

• have a little chat
• sit around for a bit
• reminisce a little

This is closely connected to verbal aspect in Polish. These po- forms are typically perfective, meaning they present the action as a whole, often as a complete little event.

Grammatically, trochę most directly modifies powspominać:

• i trochę powspominać = and reminisce a little

So the most natural reading is:

• I want to chat, sit for a while, and reminisce a bit.

In context, the whole sentence may feel generally relaxed and modest, but strictly speaking trochę belongs to the last verb.

If you wanted a little to apply more broadly, Polish would usually express that differently.

Because i means and, and in a simple list Polish normally does not use a comma before it.

So this punctuation is standard:

• Chcę pogadać, posiedzieć i trochę powspominać.

You use commas between earlier items in the list, but not before the final i.

This is similar to English without the Oxford comma:

• I want to chat, sit for a while and reminisce a little.

Polish generally does not use a serial comma in such simple lists.

It is definitely informal and very natural in everyday speech.

Why it feels informal:

• pogadać is conversational
• the whole rhythm is relaxed
• trochę powspominać sounds warm and personal

It would fit situations like:

• meeting an old friend
• seeing family
• spending an evening together
• talking about old times

In a more formal style, you might choose different verbs, for example:

• Chcę porozmawiać, posiedzieć i trochę powspominać.

That sounds a bit more neutral than pogadać, though the original is very idiomatic.

Yes, Polish word order is fairly flexible, though some versions sound more natural than others.

The original:

• Chcę pogadać, posiedzieć i trochę powspominać.

This is smooth and neutral.

Possible variations:

• Trochę chcę pogadać, posiedzieć i powspominać.
  This shifts emphasis and sounds less natural in many contexts.
• Chcę trochę pogadać, posiedzieć i powspominać.
  Here trochę may sound as if it modifies mainly pogadać.
• Chcę posiedzieć, pogadać i trochę powspominać.
  Also possible; it just changes the order of activities.

So yes, word order can move, but the original is a very natural choice if you want trochę to go mainly with powspominać.

A native speaker would probably hear it as:

• friendly
• relaxed
• slightly nostalgic
• very human and natural

It suggests not just actions, but a kind of mood:

• spending time together
• no rush
• chatting comfortably
• remembering old times

That is part of why the sentence sounds so good with these particular verbs. It is not just I want to do X, Y, Z. It feels more like:

• I’d like to hang out, chat, and reminisce a bit.

Yes — chcę is one of those words learners often find awkward at first.

A rough pronunciation guide:

• ch = like a strong h sound
• c = ts
• ę at the end is often pronounced approximately like eh with some nasal coloring, and in everyday speech the nasal quality may be weaker

So chcę is roughly like:

• h-ts-eh

spoken quickly as one word.

You do not need to pronounce the final ę in an exaggerated nasal way. In normal speech, final ę is often less strongly nasal than learners expect.

Yes, absolutely.

Compare:

• Chcę pogadać, posiedzieć i trochę powspominać.
• Chcę porozmawiać, posiedzieć i trochę powspominać.

Difference in tone:

• pogadać = more casual, chatty, colloquial
• porozmawiać = more neutral, slightly more standard

Both are correct.
The original with pogadać feels especially warm and conversational.

If you are speaking with friends, pogadać is excellent. If you want to sound a bit more neutral, choose porozmawiać.