<u>Answer:</u> The correct answer is Option A.
<u>Explanation:</u>
Mole ratio is defined as the ratio between the stoichiometric coefficients of the molecules present in the chemical reaction.
For the given balanced chemical equation:
By Stoichiometry of the reaction:
3 moles of iron metal reacts with 4 moles of water to produce 1 mole of iron oxide and 4 moles of hydrogen gas.
The mole ratio of 
Hence, the correct answer is Option A.
Answer:
Down Syndrome- is when you have an extra 21st chromosome.
Turner Syndrome- is when one of the x chromosome is missing or partly there.
Explanation:
There are many more and you can find a complete list online.
Inert properties
<span>Nitrogen is used to protect steel from water because it has inert properties that make it a good blanketing gas.</span>
Answer:
Is [h] really [H]? What characteristics are mentioned?
Explanation:
A high [H} means high acid concentration.
All pieces will be 17 g/cm^3 because the density is not affected by cutting (assuming the rock is uniform).
