Zaid Alsalami

Bismihi ta'ala

Yes, as long as the private parts are covered. However, it is important to observer utmost respect and reverence when in the presence of Almighty Allah, while praying, and wear appropriate clothing.

And Allah knows best

Bismhi ta'ala

This is going to be a choice the husband makes. Of course, you must understand how difficult it would be for him to trust you again, or to forget the incident, and it might continue to be brought up, especially if you have an argument. 

He might even accuse the children of not being his, and so on. 

Therefore, if he forgives you, which is possible from a shar'i perspective, you must both navigate correct solutions to deal with the infidelity and how to avoid it in future, from both sides.

And Allah knows best

Bismihi ta'ala

It is sad to hear what happened to you, and through your Iman and reliance on Allah ta'ala, you will become stronger and stronger, not allowing the evil incident to define who you are. 

If this man cannot accept you for that, and you are upfront and genuine about everything, even if there might be lapses of emotional distraught or something that affects you due to the trauma, but yet he is still hesitant, then he is no good for you at all. 

You should not see yourself of less value, nor should you accept someone who sees you as "broken", or anything negative of that sort. 

Limit your interaction with this person, and focus more on yourself, and your relationship with Almighty God, who will facilitate the best of things for you and your future, in shaa Allah.

With prayers for your success.

Bismihi ta'ala

As sad as it may be to lose a spouse, remarrying is completely your choice, and it will not undermine your loyalty to your marhum husband. Loneliness is never good, so if the opportunity arises that you can marry a noble, caring, pious and religious man, you should do so. This will certainly not affect who you will be in the afterlife, in Heaven, in shaa Allah. 

Life is challenging, and having a partner of good choice will assist you in everything coming ahead of you, in shaa Allah.

And Allah knows best

Bismihi ta'ala

Yes, of course you can do that, and it is rather recommended to do charity work and noble deeds on behalf of others, alive or passed. 

You will indeed be rewarded equally, if not more for your consideration of doing good deeds on behalf of others.

And Allah knows best

Bismihi ta'ala

It is your wajib duty to obey your mother, as long as she is not encouraging or forcing you to commit sin. She wanting you to live near her could mean she is still caring for you and loves you. It is just a matter of accommodating to her, compromising where you can, controlling your emotions, and also creating boundaries. 

With all the sacrifices you make for your mother, Allah ta'ala will certainly compensate in the best of ways.

And Allah knows best. 

Bismihi ta'ala

After tawbah, if you have access to somehow find them, and won't be harmed, return back items, or their equivalent in money. If not, pay its amount in sadaqah, on their behalf, and pray to Allah for forgiveness. 

And Allah knows best. 

Bismihi ta'ala

I have a presentation from two Ramadhans ago on this that might be useful for you in answering your question. 

Starts from 1h:38min

https://www.youtube.com/live/f6LNDmA6vBk?feature=share

Bismihi ta'ala

If you are not able to return the amount back, you give it to charity.

And Allah knows best

Bismihi ta'ala

Your parents cannot force you to marry anyone. Islamically, it will not be a valid nikah marriage as well. 

If they are threatening you with such things like not funding your education, then let it be, but you should not give in to marrying someone you do not wish to marry. 

Speak to an elder in your family, or your local scholar, so they are able to address this with your parents, as long as you are safe. If you feel unsafe, then you must make measures to secure your safety. 

This kind of behaviour from parents is completely unacceptable, oppressive, and anyone around you who knows of it must help you.

With prayers for your success. 

Bismihi ta'ala

Yes, it is permissible to recite the holy Quran, even if you do not have wudhu or are wearing shoes, etc., as long as you do not touch its script  with your hands.

And Allah knows best.

Bismihi ta'ala

If it is a necessary procedure, and you have no control over the medical staff all being females, then you are allowed to undergo the surgery. Just try to ask the nurse or an accompanying family member to try and cover you as much as they can.

May Allah ta'ala grant you shifa` and speedy recovery.

And Allah knows best.