Surface runoff
Explanation:
Water that flows back to the ocean is called surface runoff.
It is one of the different forms of water when it gets to the land surface.
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0.038 g He
From the question we are given;
Volume of the flask, V = 250 mL
Pressure of He, P = 700 torr
Temperature, T = 25°C, but K = 273 + °C
= 298 K
We are required to calculate the mass of Helium present in the flask.
We are going to use the ideal gas equation to first get the number of moles of He present in the flask.
Ideal gas equation, PV = nRT, where n is the number of moles and R is the ideal gas constant.
In this case, R will be 62.364 L.Torr/mol.K, since the pressure is in torr.
Rearranging the equation;
n = PV ÷ RT
= (0.25 L × 700 torr) ÷ (62.364 × 298 K)
= 0.00942 moles
With the number of moles, we can calculate the mass of He.
Mass = Number of moles × molar mass
Molar mass of He = 4.0 g/mol
Therefore,
Mass = 0.00942 moles × 4.0 g/mol
= 0.03768 g
= 0.038 g He
deep ocean
river basin
open ocean
Open ocean environment changes the most. The dominance of Earth's seas is clearly seen when viewed from space.
A uninterrupted body with salt water that's also housed inside sizable basins on the surface of the Planet. The dominance of Earth's seas is clearly seen when viewed from space. At an average depth exceeding 3,688 meters, the oceans plus their peripheral seas cover about 71% of the area of the planet.
The remaining 29% of the planet's surface is made up of exposed land, which has a mean height of 840 meters (approximately 2,755 feet). Indeed, the oceans may cover the entire high terrain, reducing Earth to a smooth spherical. Open ocean environment changes the most.
Therefore, open ocean environment changes the most.
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Answer:open
Explanation:
Answer:
To travel this far, it would take 19 years.
Answer:
Transcription
Explanation:
Despite the fact that there are over 100 elements .The elements containing electron, proton neutron as well, could be combined to create new things, making the possibilities unlimited.
A pure substance made up entirely of atoms with the same number of protons in each nucleus is known as an element.
An electron is just a subatomic particle with a negative charge. The energy levels of electrons in atoms are represented by spherical shells of different kinds of diameters.
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