What are the Virtues of the Day of Arafaah?

What is the difference in meaning between Allah's names al-Rahman and al-Rahim?
 

What is your response to the one who says that so long as the Muslim has an atom’s weight of faith in his heart, he will enter Paradise even if he commits zina during his lifetime? 
What do you say to the wife who betrays her husband by committing the immoral act of zina for the sake of sexual pleasure?.

What is sincerity, and what are the benefits of sincerity?

One of the guys at work was asking me why I became Muslim and I told him it is the path I must follow. I don’t know sometimes what I should say, for me it is the path I must follow. What can I say to someone; I don’t want to push what I believe, so how should I answer someone if asked, what is the right way to answer the questions? Sometimes I feel I don’t give the right answers... Any clues as to what I can say?

Will a person (a believer) be rewarded if he listens to the Qur’aan without understanding what he is listening to, but he knows that it is Qur’aan? Or will he not be rewarded unless he understands what he is hearing? I hope you could give some evidence from the Qur’aan and saheeh hadeeth.

There are many religions.

Why do Muslims think that Islam is true. Is there any factual basis?

please oh brothers could you please tell me how a woman could perform wudu for my wife and also could you please tell me how to say ayat al kursi in arabic words but english text as iam yearning to learn the beautiful ayat which the almighty has mentioned so much about him self.please please could you answer this one asmy heart is yearning for it.
may allah bless our beloved prophet and his family and his companions.

Is it Correct to pray without wadoo immedietly after coming from a normal bath.

I would like to know the proper way to make du’aa’ during prayer, as the Prophet (peace and blessings of Allaah be upon him) did it. Is it after the prayer or between the two prostrations or whilst standing or when?.

Can you give us an idea about the Dajjaal, Al-Daabbah and Ya’jooj and Ma’jooj?

Is it valid to read Qur’aan from the computer instead of from the Mushaf ?
In other words, reading from websites on the Internet or from text files that contain the entire Qur’aan, which is displayed on the computer screen. I work in a company and during my breaks I read Qur’aan on the computer.
Is it necessary to have wudoo’ for this kind of reading, as is the case when reading from the Mushaf?.