1. Iron (II) in aqueous solution can be quantitated by an oxidation-reduction process using dichromate, Cr2O72-: Cr2O72-(aq) 6 Fe2 (aq) 14 H (aq) 2 Cr3 (aq) 6 Fe3 (aq) 7 H2O(l) Write the balanced half-reactions for the oxidation of iron (II) and the reduction of dichromate.

What is the percentage by mass of silicon (si) in iron aluminum silicate (fe3al2(sio4)3)?

Solar energy is energy from the sun that is converted into thermal or energy. a. nuclear b. mechanical c. electrical d. chemical

After watching the video "zinc strip in copper nitrate solution", and reading the instructions, click on the link labeled "start" just below the drawing of the pencil tip. follow the direction to complete the 3x3 grid. answer the below questions for the portion of the activity in which sn(s) is placed in agno3(aq)