The average current produced by the cell in figure 2, when it operates for 30.0 min and consumes 1.00 g of the anode is
Posted 4 years ago by noure2 in Chemistry 30 | 1 answers
#chemistry 30 #electrochemistry
An electrochemical change occurs when a strip of nickel is immersed in an acidified solution that contains dichromate ions.
The colour change that occurs as the reaction above proceeds is:
Posted 4 years ago by jaejae1717 in Chemistry 30 | 1 answers
#chemistry 30
MgO(s)+2HCl(aq) -> MgCl2(aq) + H20(l)
Please explain how I find the enthalpy of this equation?
Posted 4 years ago by HaileyChem in Chemistry 30 | 1 answers
#enthalpy
For the following cell, write the equations of the reactions occurring at the cathode and the anode, and an equation for the overall or net cell reaction. Calculate the standard cell potential. Cr(s) Cr2+ (aq). Sn2+ (aq) Sn(s)
Posted 4 years ago by in Chemistry 30 | 1 answers
#electrochemistry #chemistry 30
How would the net cell potential for the following cell be affected if the reduction of tin(II) ions had been selected as the reference half-cell?
Mg(s) | Mg(NO3)2(aq) || Cd(NO3)2(aq) | Cd(s)
Posted 4 years ago by jamesvwal in Chemistry 30 | 0 answers
#chemistry 30 #half reactions
Identify each of the following as a disproportion reaction or not a disproportion reaction.
identify one monomer that has economic importance in Alberta, draw the structural formula and provide the IUPAC name for the monomer
Posted 4 years ago by Maya2002 in Chemistry 30 | 1 answers
#organic chemistry
olu e n e , C7H8(g), is an important organic solvent and can be produced by thefollowing equilibrium equation.C7H14(g) + energy C7H8(g) + 3 H2(g)A technician placed 3.00 mol of C7H14(g) into a 1.00 L flask. The flask was then stoppered and allowed to reach equilibrium. At equilibrium, 1.20 mol of H2(g) was present in the flask.1. The value of the equilibrium constant is
Posted 4 years ago by anugraha111 in Chemistry 30 | 1 answers
#equilibrium
H2O2(l)+Cu2+(aq)→Cu(s)+O2(g)+2H+(aq)
Posted 4 years ago by kimdo2002 in Chemistry 30 | 0 answers
#chemistry 30
Calculate the pH of a 0.025 mol/L solution of sodium nitrite.
Posted 4 years ago by zamanmina in Chemistry 30 | 3 answers
#chemistry 30 #ph