Injurious Crimes

Question :
A woman had a two year old daughter. She sat with her at a adhering which had containers of coffee and tea. The child began to play and the mother was looking in a different direction from the child in order to wash the cups. Then, all of a sudden, the little girl got to the coffee thermos, held it and spilled the cover over herself. The coffee was very hot. When it spilled over the little girl, some of the coffee got to her internal organs. After twenty four hours, the small girl died. The woman asks: Is there any expiation upon her? What is the expiation?

Question :
A woman was breastfeeding her child in the bed. She then left that child to look after other children. She stayed with the other children until they slept. She also was exhausted and slept with them. When she woke, she found that the first baby cried a great deal and was being affected by the crying. He was taken to the hospital and stayed there a number of days. He then died because of that. The question is: Does that mother have to make an expiation? If so, what is it?