21)equation: 2C2H2 (g) + 5O2 (g) >>>4CO2 (g) + 2H2O (g)
A)how many grams of CO2 & grams of H2O r produced when 52.0g C2H2 burns?
B)how many grams of oxygn is required to burn 52.0 gC2H2
C) use answers form A&B & show how this obeys the law of conservation.
22) Eq: Sn (s) + 2HF (g) >>> SnF2 (g) >>> SnF2 (s) + H2 (g)
A)how many liters of HF are needed ot make 9.40 L h2 @ STP?
B)How many molecules of H2 are maked by the reaction of tin w/20.0L HF @ STP?
C) how many grams of SnF2 can be made by reacting
7.42 X 10 (lil 24) molecules of HF w/Tin?
2007-01-21 10:08:48 · 1 answers · asked by truckin_90 2 in Science & Mathematics ➔ Chemistry
When my 16 year old daughter calls me for help with her Chemistry I sit at the computer and search for the specific subject and have never had any problem comming up with more information than I could ever hope.
2007-01-21 10:18:01 · answer #1 · answered by collinbarnette 2 · 0⤊ 0⤋