Arthur W

In a chemistry lab, we decomposed copper oxide into copper metal by mixing the copper oxide with hydrochloric acid and then mixing the solution with zinc metal. We then massed the resulting copper, and ended up with a 151% yield.

There are two distinct errors associated with this experiment that led to a percent yield over 100%. What are they?

I was wondering if there are 2009 books for AP World History and AP English Language and Composition.

I'm asking because when I read news clippings of the hearing that took place, they refer to a "video" that the referees watched and they say that it contains Harbhajan slapping Sreesanth but I can't find the video anywhere...can someone please find it?

There's this squirrel that keeps trying to get inside my home. It has repeatedly bitten the window screen and I saw it hanging on my front door as well. This all started two days ago and it won't give up....how can I keep it away from my house?

There was a squirrel in my house that came in through my kitchen window. I'm afraid that my kitchen is now infected...do squirrels carry any diseases?

I'm an Indian student living in Atlanta and I was wondering if someone knows about Indian food catering to deliver food to my house regularly as I can't cook and I don't have a car because I'm student....any help?

i wanna watch indian channels in usa for free or minimal cost. i am willing to buy a satellite and receiver to be able to watch channels from indian satellites.