I think the correct answer from the choices listed above is option C. It would be octane that is an organic compound. <span>They are, any of a large class of chemical compounds in which one or more atoms of </span>carbon <span>are covalently linked to atoms of other elements, most commonly </span>hydrogen<span>, </span>oxygen<span>, or </span>nitrogen<span>.</span>
Answer:
This is because no energy is being created or destroyed in this system
Explanation:
I think this is correct? I hope it helps.
Answer:its got to be B.
Explanation:
Ores are mainly rocks containing minerals of metals with impurities which doesn't have to be non metals or contains lead (Pb) and also ores are not uniform on the earth crust as we have it different in all parts of the earth
Answer:
Ok; first of all, you must correct the Molecular Formula; FeSO4•7H20
So, work out the Molar Mass;,
(4x18)O+ 55.? Iron + 32 Sulphur, PLUS
(7x 18) H2O = 1 molar mass.
Now, take that times 5.24, show your work & check the Mol. Weights, I am going by memory.
Oxygen
Explanation: