היתרה משתנה בזמן ששירות הלקוחות מטפל בהכחשת העסקה.

בזמן ש is a conjunction meaning while or sometimes when.

In this sentence, while is the most natural choice because two actions are happening at the same time:

• היתרה משתנה — the balance is changing
• שירות הלקוחות מטפל... — customer service is handling...

So בזמן ש links them as simultaneous actions.

Because this is really two parts next to each other:

• בזמן ש — while
• שירות — service

So the spelling becomes בזמן ש + שירות = בזמן ששירות.

The first ש belongs to the conjunction ש־, and the second ש is just the first letter of שירות. It is not a typo.

This is a construct chain in Hebrew.

• שירות = service
• הלקוחות = the customers

Together, שירות הלקוחות literally means service of the customers, but idiomatically it means customer service.

In a construct chain, the first noun usually does not take ה־. The definiteness of the whole phrase is usually shown by the second noun. Since הלקוחות is definite, the whole phrase is definite.

So:

• שירות לקוחות = customer service / customer support in a general sense
• שירות הלקוחות = the customer service

Because the verb agrees with שירות, not with לקוחות.

The subject here is the whole phrase שירות הלקוחות, but the grammatical head of that phrase is שירות, and שירות is:

• singular
• masculine

So the verb is also singular masculine:

• שירות הלקוחות מטפל

Even though לקוחות is plural, it is not the word controlling the verb agreement.

Because the Hebrew verb לטפל usually takes ב־.

So Hebrew says:

• לטפל בבעיה — to deal with a problem
• לטפל במקרה — to handle a case
• לטפל בהכחשת העסקה — to handle the transaction dispute

This is just how the verb works in Hebrew. English says handle something, but Hebrew says more like handle/deal with something.

הכחשת העסקה is another construct chain.

Base noun:

• הכחשה = denial, repudiation, dispute

In financial or credit-card language, הכחשת עסקה often means something like:

• disputing a transaction
• denying that a transaction is valid
• a transaction dispute / charge dispute

When a noun ending in ־ה goes into construct, it often changes to ־ת:

• הכחשה → הכחשת

So:

• הכחשת העסקה = the denial/dispute of the transaction

This is a very common Hebrew pattern.

No. In בהכחשת, the ה is part of the noun itself, not the word the.

Break it down like this:

• ב־ = in / with / regarding, depending on the verb
• הכחשת = dispute/denial of...

So בהכחשת העסקה means in/with the transaction dispute in form, but with לטפל ב־ the sense is handle the transaction dispute.

The phrase is definite because of העסקה, not because of an article on הכחשת.

Because Hebrew present tense usually covers both:

• simple present
• present progressive

So Hebrew uses:

• משתנה
• מטפל

and depending on context they can mean:

• changes / is changing
• handles / is handling

In this sentence, the ongoing meaning is clear from context, so English naturally uses is changing and is handling.

Yes, it agrees with היתרה, which is feminine.

The tricky part is that in this verb pattern, the present singular form can look the same for masculine and feminine:

• הוא משתנה
• היא משתנה

So even though היתרה is feminine, משתנה is still correct.

You can see the difference more clearly in the plural:

• היתרות משתנות — the balances are changing

That makes the feminine agreement visible.

Because it refers to a specific balance, not just a balance in general.

• יתרה = a balance / remainder
• היתרה = the balance

In practical contexts like banking, billing, or card activity, Hebrew often uses the definite form because both sides know which balance is being discussed.

Yes. Hebrew is fairly flexible with clause order.

This sentence starts with:

• היתרה משתנה — the balance is changing

and then adds the time clause:

• בזמן ששירות הלקוחות מטפל בהכחשת העסקה — while customer service handles the transaction dispute

You could also put the time clause first:

• בזמן ששירות הלקוחות מטפל בהכחשת העסקה, היתרה משתנה

That would still be natural. The original version simply puts the main point — the balance is changing — first.