Which of the following reactions is an example of a single replacement reaction? Select one:
a. Fe + CuSO4 --> FeSO4 + Cu
b. H2O --> H2 + O2
c. H2O2 --> H2O + O2
d. Na + Cl --> NaCl

What energy conversion occurs when a sling shot is used to shoot a rock across the room? (2 points) question 2 options: 1) stored mechanical energy is converted to mechanical energy. 2) stored mechanical energy is converted to radiant energy. 3) gravitational energy is converted to radiant energy. 4) gravitational energy is converted to mechanical energy.

What are the trends and exceptions to the trends in electron affinity?

Astream of surface water reaches a porous portion of sediment and seeps into the ground. this water eventually joins a large reservoir of water located beneath the earth's surface. the example above describes the interacting with the a. cryosphere; biosphere b. hydrosphere; biosphere c. hydrosphere; geosphere d. cryosphere; geosphere