Fe2O3 + 3 H2 ---> 2 Fe + 3 H2O How many grams Fe are produced from 16.5 g of Fe203 ? (gram to gram conversion) Molar mass of Fe2O3=160 g/mol, Molar mass of Fe= 56 g/mol

A100-watt light bulb radiates energy at a rate of 100 j/s. (the watt, a unit of power or energy over time, is defined as 1 j/s.) if all of the light emitted has a wavelength of 525 nm , how many photons are emitted per second?

6what is the importance of water on earth? a) it keeps the top layer of the geosphere cool b) it allows life to exist c) it provides ice at the poles d) it creates earth's blue color from space

Part 1: include important facts found through your research. part 2: include your visual display. include your summary of “the chemistry of water” from the national science foundation website. include your experiment. part 3: include responses to the reflection questions.