Answer:
74
Explanation:
The law of conservation of mass states that in a chemical reaction, the total mass of reactants is equal to the total mass of products
hope this helps!
Mass of 1mole of Na is weight for 24g
Where as,1mole of Fe weight for 56g
Answer:
A) Halide
Explanation: I promise, I made a 100 :)
If the number of different atoms of elements on the reactant side is equal to that present on the product side than the reaction is said to be chemically balanced.
In above case, following is the balanced reaction.
2 CH3OH + O2 → 2 CH2O + 2 H2O
137 g NO) / (30.0061 g NO/mol)x (43kcal / 2 mil NO) = 98kcal