Oaths & Vows

Q: What is kuffarah for an unfulfilled Qur'an oath? I took an oath of not missing salaah with a sheikh online who gave me zikr for weak memory and doing good in medical school. I did the zikr for a while and then stopped it. I totally forgot about the oath. I do pray but not regularly? So now I am in last year of my medical school. I have a lot of prayers to make up. Can you please guide me about the kuffarah? Do I have to make up all the prayers and is there a kuffarrah along with it? 

Q: I made a stupid vow over the phone while talking to my husband. After relations he always says things that show his regret that we had relations. It hurts my feelings immensely. Last time he expressed the regret I lost my temper and said (exact words in are in urdu) I said "theek hai ab aap mujhe haath nahi lagana, main qasam kha rahi hoon, agar haath lagaya to main ghar se chali jaoon gi" for the word " haath nahi lagana" I meant sexually. And also when I said ghar se chali jaoon gi, I meant temporarily. This was a threat. I did not mean anything. Despite our problems, we love each other a lot. I belong to the hanfi school of thought. Is fasting for ten days or feeding 10 masakeen for a whole day enough kafara. What does my foolish words entail?

Q: 

1. The kaffara for breaking oath is to feed 10 poor people, can money be given to the poor person instead of food? Is it according to Sadaqatul Fitr daily for 10 days?
2. If food like wheat is given how much should one give each day?

Q: 

1. A person who has two wife's and at present is living with the fist wife, the second wife made the husband touch the Qur'an and made him say I am your only wife and the first wife isn't my wife she (fist wife) is my sister. The husband said this to make her (second wife) happy and when saying this he had the intention that the first wife is also his wife, what is the Shariah ruling for all this?
2. Will the second wife  be sinful for making the husband say the above touching the Qur'an?
3. Will the husband be sinful for touching the Qur'an and saying the above?
4. By doing the above does it effect the Nikaah in any way?

Q: Husband and wife were doing hajj last year and the wife was not well during hajj. So the husband made dua to Allah said that if his wife has performes all the hajj rituals completely as per quran and sunnah, the husband will sacrifice one goat for gratefulness to Allah for helping his wife to do the hajj rituals according to sunnah. The question is that the meat of the animal should be given to only beggars or neighbours also or some part can be consumed by the husband and wife and their family members?

Q: I broke an oath and I would like to know if it is permissible for me to donate at Islamic Relief USA, where they provide for the needy across the globe, instead of looking for poor people at my hometown due to difficulties?

Q: My question is if somebody intends to expiate an oath by buying ten clothes for ten different individuals and places these clothes in a container/box (like a recycling one, but for clothes) which is supposedly for charity (outside a musalla). Is this acceptable?

Q: I made an oath/promise that if Allah takes me into the third year (of University) I won't look at Haraam videos. So far Alhumdulillah I have kept up this promise but day by day I am finding it hard to keep it. So can I change the promise to something else like pray Tahajjud everyday or something else. Because I am afraid I might break the promise. However I don't plan on breaking the promise but just in case if it does happen.

Note: I am not in the third year yet bet most likely I will be Inshallah.