Chemistry
fe2o3 + 3 c → 2 fe + 3 co

how many grams of carbon are needed to completely react with 125 g of fe2o3(mm in g/mol: fe2o3= 159.7, c= 12.01, fe= 55.85, co= 28.01) ?

a) 80.6 g
b) 28.2 g
c) 65.7 g
d) 6.0g

1. a)c-14 has two more protons

2. d)they have different numbers of protons, neutrons, and valence electrons; they are all gases at room temperature.

3. c) iron and nickel.

no statements shown

the atomic number of carbon is six, which means that a carbon atom has six protons. carbon has three naturally occurring isotopes: carbon-12, carbon-13, and carbon-14. which of these statements are true about carbon and its isotopes? select all that appl