2. Solid ferric oxide reacts with carbon monoxide gas to produce solid iron and carbon dioxide gas.
3. Solid lead reacts with aqueous silver (1) acetate to produce aqueous lead (II) acetate and
solid silver.

Can someone please help me on either 2 or 3. You don’t have to do both, but if you have time I would appreciate it so so much! Thanks in advance!!

What is the result of multiplying (2.5 × 1010) × (2.0 × 10-7)? a. 5.0 × 103 b. 5.0 × 10-3 c. 5.0 × 1017 d. 5.0 × 10-17

What are fructose and glucose an example of?

Agroup of students is studying convection current. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other is in an area with warm air. after 10 minutes, the balloon are released from a height of 1 meter. which of the following to the students most likely observe? a) the warm balloon expands and rises. the cold balloon shrinks and sinks b) the balloon both rise. the cold balloon is larger than the warm balloon c) the cold balloon expands and rises. the warm balloon shrinks and sinks d) the balloon rise at the same rate. both balloons are the same size