Wednesday, December 14, 2011

helpful words

Eudiometer - long thin piece of glassware used to collect gasses and measure their volumes.

acetylene - used in welding and miner's headlamps - when burned in the presence of oxygen you will get carbon dioxide and water as the products.

percent yield - a ratio of what you ACTUALLY have made in a chemical reaction compared to SHOULD have made in a chemical reaction. We made 20 grams, but we should have made 25 grams = 80% yield.

percent error - how far you were off the actual answer. in the above problem its 20% error

CHEM REVIEW FOR TEST

Thursday, April 28, 2011

more acid base stuff

also on slideshare.net/mrkalember

ACID BASE TEST -- calcs

Be able to do pH, pOH, [H+]. [OH-] calcs. Titration calcs, molarity, big line calcs, and check the www.slideshare.net/mrkalember site for vocabulary.