Electricity. that's one answer, is it a multiple choice? but I hope this small answer helps!!
-Blaze
Answer:
9.03 x 10²³atoms
Explanation:
Given parameters:
Number of moles of CO₂ = 1.5mol
Unknown:
Number of atoms = ?
Solution:
In a mole of a substance, we have the Avogadro's number of particles which is 6.02 x 10²³atoms.
Using this number, we can determine the amount of atoms in any substance.
If;
1 mole of CO₂ contains 6.02 x 10²³ atoms;
1.5mole of CO₂ will contain 1.5 x 6.02 x 10²³ atoms
= 9.03 x 10²³atoms
The electron configuration is 1s2 2s2 2p2, then the number of electrons is 2 + 2 + 2 = 6. The number of electrons equals the number of protons and this is the atomic number. So, the atomic number of the element is 6.<span> In a periodic table you can find that the element with atomic number 6 is carbon. So the answer is C.</span>
A scientific law<span> is a statement based on repeated experimental observations that describes some aspects of the universe. A </span>scientific law<span> always applies under the same conditions, and implies that there is a causal relationship involving its elements.</span>A scientific theory<span> is a well-substantiated explanation of some aspect of the natural world, based on a body of facts that have been repeatedly confirmed through observation and experiment. Such fact-supported </span>theories are not "guesses" but reliable accounts of the real world.
Answer:
Mesosphere
Stratosphere
Thermosphere
Troposphere
Exosphere
Explanation:
The exosphere refers to the farthest region of the atmosphere that gradually fades into space.
The troposphere is the lowest layer of atmosphere. It is the layer where weather changes occur.
The thermosphere is right above the mesosphere but just below the exosphere. It is the layer where photoionization/photodissociation of molecules occurs thereby creating ions. This largely owes to interaction of molecules in this layer with ultraviolet radiation.
The stratosphere is composed of gases. Prominent among them is ozone which serves as a blanket against the sun's ionizing radiation.
The mesosphere lies above the stratosphere but just below the thermosphere. Temperature decreases steadily with height in the mesosphere.
