How to remotely wipe email accounts from an iPhone?

I gave my phone away without realising that my email accounts were still attached to it. I do have an iCloud account, but how can I disconnect my accounts from my old phone? I can't contact the person and I'm worried they will be into my private emails/facebook/related accounts.

How to stop talking back or being sassy to people?

My my ordered my new iPhone today and she said right when I be sassy she will take it away. But I always do All of the chores but occasion she does do something. But normally all she does is Cook. I always complain of course I'm a teen I'm suppose to do those thing. But all she does is yell at me! I'm trying to help that is why I'm reaching out to complete strangers for advice!

How to jailbreak iPhone 4 iOS 6.0.1 using redsnow?

I installed iOS 6.0.1 using iTunes on my iPhone 4. Then it shows the connect to iTunes screen and select the language and country screens. I downloaded the latest redsnow the website provided which said I could jailbreak iOS 6.0.1 when I opened it it show jailbreak and extras. Then what should I select. I have already installed iOS 6.0.1 on my iPhone please help.

Is this possible? Hidden iPhone app

My boyfriend just told me he had installed an app on my iphone and ipad that directly sends him everything I do. I examined each and every app and looked at the hidden ones in my settings AND looked up my purchase history. I see nothing suspicious. Is it possible that he hid it somehow? Or is he just making this sh*t up to get me to tell him sh*t I've kept from him (which, really, there's nothing.) ?

Added (1). Nope, not jailbroken.

I can't purchase anything from ITunes or the App Store?

Every time I try to purchase something from iTunes or the App Store, it asks me for my password. After I put my password in, it acts as if it were to download but then stops. My iPhone is a 3GS. I have the latest software installed (iOS 6.0.1).