Sir Joseph John Thomson OM PRS was a British physicist and Nobel Laureate in Physics, credited with the discovery of the electron, the first subatomic particle to be discovered.
well i think what you do first is that you would divide that number of amu by 6.02 x 10^23 and that will get you the number of moles of H2. once you have the number of moles you divide the number of moles by the molar mass of H2 and that should give you the grams. i’m trying to explain this as best as possible sorry if ur still confused.
A. Scientists don't stop with the first step of their experiment because they don't think that just using their observations is a very good place to start to prove their hypothesis.
B. Scientists don't stop with the first step of their experiment because they not only want to observe but they want to test their observations to be sure they are correct.
C. Scientists don't stop with the first step of their experiment because they want other scientists' opinions because they may not trust their own observations.
D. Scientists don't stop with the first step of their experiment because they would rather plan and run experiments than just observe the world around them.
B. animals and fungi are both heterotrophs, while fungi are autotrophs
C. fungi and animals are both heterotrophs, while plants are autotrophs
D. fungi and plants are both autotrophs, while animals are heterotrophs
the answer maybe B or A
fire, how many molecules of CO2 did you Create?
Answer:
975.56×10²³ molecules
Explanation:
Given data:
Number of molecules of C₂H₆ = 4.88×10²⁵
Number of molecules of CO₂ produced = ?
Solution:
Chemical equation:
2C₂H₆ + 7O₂ → 4CO₂ + 6H₂O
Number of moles of C₂H₆:
1 mole = 6.022×10²³ molecules
4.88×10²⁵ molecules×1mol/6.022×10²³ molecules
0.81×10² mol
81 mol
Now we will compare the moles of C₂H₆ with CO₂.
C₂H₆ : CO₂
2 : 4
81 : 4/2×81 = 162 mol
Number of molecules of CO₂:
1 mole = 6.022×10²³ molecules
162 mol ×6.022×10²³ molecules / 1 mol
975.56×10²³ molecules
The structure of the stigma aid in the pollination as the stigma is to trap the pollen and let it down on to the ovary.
The structure of the stigma aids in the pollination because the trap pollen and will go down to the long tube and on to the ovary. Once the pollen transferred to the stigma, the process is the fertilization.
The process of the fertilization will be allowing the pollen grains to the germination on the stigma. The stigma contains the wet and the sticky coating this lets the rehydrate the dry pollen. The process helps the pollen move down to ovary and the pollination occur.
To learn more about pollination here
#SPJ6