Tantalum (lll)hypobromite
Rubidium chlorite RbCl3
Ruthenium (ll) carbonate Ru+2 CO2
Zinc (ll) peroxide Zn+2 O2
Dodium hydrogen phosphate NaHPO4
Uranium (VI) cynide U+4 CN-
-------that's all I can help you with
Search found 9 matches
- Thu Nov 06, 2008 6:29 pm
- Forum: Chemistry forum
- Topic: Ionic compound
- Replies: 1
- Views: 2122
- Thu Nov 06, 2008 6:23 pm
- Forum: Chemistry forum
- Topic: Balancing chemical equations
- Replies: 3
- Views: 3618
- Thu Nov 06, 2008 6:19 pm
- Forum: Chemistry forum
- Topic: help me plz
- Replies: 1
- Views: 2197
- Thu Nov 06, 2008 6:15 pm
- Forum: Chemistry forum
- Topic: titration
- Replies: 1
- Views: 2093
- Thu Nov 06, 2008 6:03 pm
- Forum: Chemistry forum
- Topic: EDTA solution standardization?
- Replies: 0
- Views: 3752
EDTA solution standardization?
I'm conducting lab to determine water hardness. I'll be looking for the calcium carbonate something, and then converting it to something else to obtain molarity and all that. HOWEVER, I must titrate my water sample with EDTA. I only need about 150mL of standardized EDTA. One procedure told me to st...
- Wed Oct 29, 2008 6:13 pm
- Forum: Chemistry forum
- Topic: what is the balanced equation??
- Replies: 3
- Views: 9366
- Wed Oct 29, 2008 5:50 pm
- Forum: Chemistry forum
- Topic: Effusion Problem
- Replies: 0
- Views: 3555
Effusion Problem
The rate of effusion of a particular gas was measured and found to be 21.0 mL/min. Under the same conditions, the rate of effusion of pure methane (CH4) gas is 45.0 mL/min. What is the molar mass of the unknown gas?
- Tue Oct 21, 2008 5:31 pm
- Forum: Chemistry forum
- Topic: Easy Gas Stoichiometry question???
- Replies: 1
- Views: 2199
Easy Gas Stoichiometry question???
A student adds 2.00 g of dry ice (solid CO2) to an empty balloon. What will be the volume of the balloon at STP after all the dry ice sublimes (converts to gaseous CO2)? ------------ I got 2.013 L , but on 'webassign', it's wrong. Do I have the correct # of sig figs? Or is my answer way of? Please h...
- Thu Oct 02, 2008 3:32 pm
- Forum: Chemistry forum
- Topic: HELP w/ re-dox rxn
- Replies: 0
- Views: 2038
HELP w/ re-dox rxn
Here's the equation, and i am to balance using the half rxm method!
Cu -----with a assigned charge of 0
+
NO3 -
=
Cu --------with a charge of 2+
+
NO
I can't balance the reduction reaction: NO3- = NO
did i set it up right?? plz help!
Cu -----with a assigned charge of 0
+
NO3 -
=
Cu --------with a charge of 2+
+
NO
I can't balance the reduction reaction: NO3- = NO
did i set it up right?? plz help!