A:AnswerBattery is awesome and yes, great for streaming. I use it for that too, and the HDMI connector can go right to your TV if it's also equipped with HDMI, with excellent resolution.
A:AnswerYes, you can do the features you mention, one at a time. 2 GB ram will limit you on having multiple tabs running at the same time. But, you can use Facebook, then close it and view YouTube videos, then close that and check your email, etc. Be aware that this machine restricts you to the Windows 10S version, unless you know enough to change to the Windows 10 Home version. With limited 32 GB memory, you won't be able to add many apps. But, if you keep it simple, this machine will run the apps you mention, one at at time.