Answer:
1.05mol
Explanation:
Given parameters:
Mass of MgCl₂ = 100g
Unknown:
Number of moles = ?
Solution:
The number of moles in a compound can be derived using the expression below:
Number of moles =
Molar mass of MgCl₂ = 24 + 2(35.5) = 95g/mol
So',
Number of moles = = 1.05mol
Answer:
Explanation
When the sun, moon, and Earth are in alignment (at the time of the new or full moon), the solar tide has an additive effect on the lunar tide, creating extra-high high tides, and very low, low tides — both commonly called spring tides. ... A similar situation occurs between the Earth and the sun.
Answer:
I'm pretty sure Gravity
Explanation:
Gravity is the pull of an object to another object like a human to the Earth. This is weight
The answer is:
It was used to plot latitude using the sun.
The astrolabe was a device used by the seafarers or the captain at sea in order to calculate the latitude of the ship, by measuring the angle between the horizon and the sun. In the past, this was mostly used by the astronomers and navigators to measure the inclined position in the sky of a celestial body, day or night.