Explanation:
A mid-ocean ridge is a geological feature that records several important aspects of Earth's history and processes:
1. **Seafloor Spreading:** Mid-ocean ridges are where tectonic plates are moving apart. As new oceanic crust forms at these ridges through volcanic activity, it records the process of seafloor spreading. This process is a key component of plate tectonics, which explains the movement of Earth's lithospheric plates.
2. **Magnetic Reversals:** The seafloor at mid-ocean ridges contains bands of magnetic minerals that align with the Earth's magnetic field at the time the rock solidified. These bands provide a record of past magnetic field reversals, which is essential for understanding Earth's magnetic history.
3. **Geological History:** The rocks and formations found along mid-ocean ridges contain valuable information about the geological history of the ocean floor. This includes details about the composition of the Earth's crust and the minerals present in the oceanic lithosphere.
4. **Evidence of Hydrothermal Activity:** Mid-ocean ridges often host hydrothermal vent systems, where superheated water emerges from the seafloor. These vent systems record evidence of extreme environments and unique ecosystems that thrive in these conditions.
In summary, mid-ocean ridges record information about plate tectonics, magnetic field reversals, geological history, and hydrothermal activity, making them crucial sites for understanding Earth's dynamic processes and history.
Answer:
Theoretical yield = 31.8 g
Explanation:
The formula for the calculation of moles is shown below:
For
Mass of = 60.0 g
Molar mass of = 101.96128 g/mol
The formula for the calculation of moles is shown below:
Thus,
Given: For
Given mass = 30.0 g
Molar mass of = 12.0107 g/mol
The formula for the calculation of moles is shown below:
Thus,
According to the given reaction:
1 mole of aluminium oxide react with 3 moles of carbon
0.5885 mole of aluminium oxide react with moles of carbon
Moles of carbon = 1.7655 moles
Available moles of carbon = 2.4978 moles
Limiting reagent is the one which is present in small amount. Thus, aluminium oxide is limiting reagent.
The formation of the product is governed by the limiting reagent. So,
1 mole of aluminium oxide on reaction forms 2 moles of aluminium.
0.5885 mole of aluminium oxide on reaction forms moles of aluminium.
Moles of aluminium = 1.177 moles
Molar mass of aluminium = 26.981539 g/mol
Mass of sodium sulfate = Moles × Molar mass = 1.177 × 26.981539 g = 31.8 g
Theoretical yield = 31.8 g
Answer:
Be. Beryllium
Explanation:
b. positive or negative charge
c. low penetrating power
d. no charge
What indicates that the reactants are favored?
Keq is zero.
Keq is very large.
Keq is slightly less than 1.
Keq is slightly greater than 1.