Answer:
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Answer:
H2 + I2 --> 2HI
Explanation:
The two reactants are diatomic molecules because they contain two atoms of the same element. Therefore, they would need to have a subscript of "2" next to their symbols.
When balancing an equation, you want the same amount and type of atoms on both sides. By adding a coefficient of "2" in front of the product, two H's and two I's are now on both sides.
Chemical reaction: MnSO₄·7H₂O → MnSO₄·H₂O + 6H₂O.
MnSO₄·7H₂O is <span>manganese(II) sulfate heptahydrate.
</span>MnSO₄·H₂O is <span>manganese(II) sulfate monohydrate.
Manganese has oxidation number +2 and sulfate anion has oxidation number -2. For </span><span>crystallization water h</span>epta means seven and mono means one.
<h3>
Answer:</h3>
1 x 10^13 stadiums
<h3>
Explanation:</h3>
We are given that;
1 stadium holds = 1 × 10^5 people
Number of iron atoms is 1 × 10^18 atoms
Assuming the stadium would carry an equivalent number of atoms as people.
Then, 1 stadium will carry 1 × 10^5 atoms
Therefore,
To calculate the number of stadiums that can hold 1 × 10^18 atoms we divide the total number of atoms by the number of atoms per stadium.
Number of stadiums = Total number of atoms ÷ Number of atoms per stadium
= 1 × 10^18 atoms ÷ 1 × 10^5 atoms/stadium
= 1 × 10^13 Stadiums
Thus, 1 × 10^18 atoms would occupy 1 × 10^13 stadiums
Continental shelf
is the edge of a continent that lies under the ocean. It extends from the coastline of a continent to a drop-off point called the shelf break. Even though they are underwater, continental shelves are part of the continent. The formation of continental shelves were once dry land, the most recent ice age, much of the frozen huge masses of ice glaciers.
