Option no.1 are in random, constant, straight-line motion
Following assumptions:
a. number of molecular size is very large, but their separation is very large compared to their molecular size.
b. randomly distribution of molecules in which their speed does not change
c. molecules undergo elastic collision with other molecules but exert no force
d. molecules followed Newton's laws of motion
The answer to this question is is d
Answer:
Conduction.The heat is transferred by direct contact from the pan, to the oil, to the kernels of popcorn. ヾ(^∇^)
Answer:
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:
Molar mass of a compound is the equivalent mass of the compound per mole of it. To determine the molar mass of hemoglobin, we need to know the mass and the number of moles that is present in a certain sample. We make use of the values given above.
Given
0.340 percent Fe = 0.340 g Fe / 100 g hemoglobin
4 atoms Fe per 1 molecule of hemoglobin
Solution:
4 atoms Fe per 1 molecule of hemoglobin ( 1 mol Fe / 6.022 x10^23 atoms Fe) ( 55 .85 g Fe/ 1 mol Fe ) ( 6.022x10^23 molecule hemoglobin / 1 mol hemoglobin ) = 223.4 g Fe / mol hemoglobin
Molar mass = (100 g hemoglobin / 0.340 g Fe) (223.4 g Fe / mol hemoglobin) = 65705.88 g/mol hemoglobin