4Fe + 3O₂ → 2Fe₂O₃ a) balance the equation (if necessary)
b) write an ionic equation
c) write half equations
d) identify which species has been oxidised, and which has been reduced
e) identify the oxidising agent and reducing agent

i believe it is c.) 1575 j.

c, liquids evaporate, creating a gas

geosphere and hydrosphere.

this is because the geosphere has to do with geological events, while the hydrosphere controls all water on earth.

while cooking a piece of 1/2 pound beef steak, a cast iron pan (2.4kg in weight) was heated 260 celsius.