Answer: A
Step-by-step explanation:
Answer:
Step-by-step explanation:
CH3Cl is polar while CCl4 is non polar.
When we consider whether something is polar or not we have to consider the following:
-Molecular symmetry
-Polar bonds (based on Electronegativity)
-Whether or not all the bonds are equal in magnitude
So for CCl4:
-All of the bonds are equal, in that all the electronegativity differences (delta EN) are the same.
-There are polar bonds as the delta EN between Cl (EN = 3.0) and C (EN=2.5) is 0.5 which means the bond is polar covalent
But when we look at the symmetry of the molecule (by drawing the lewis structure) there are no lone pairs, meaning that the molecule is symmetrical and therefore, it is non polar.
For CH3Cl:
-There are polar bonds here whether between C-H or C-Cl like above, both delta EN are greater than or equal to 0.5
-But, all of the bonds are not equal in strength. Cl (3.0) atoms have much higher electronegativity values than H (2.1) and there for they will "pull" the electrons closer and polarize the molecule. Therefore, the differences in bonds causes this molecule to be asymmetrical, and hence polar.
The GPA for the following on the scale of 4 GPA are; 88.69% -3.3, 87.15% - 3.3, 75.35% - 2.0 , 67.78% - 1.3, 63.14% - 1.0, 51.44% - 0.0
<h3>What is GPA?</h3>
The Term GPA is a combined GPA or grade point average of all grades you have earned in a semester or term.
The Cumulative GPA is the overall GPA or grade point average of all cumulative GPA's that are earned in all semesters and all the courses in an academic term.
The GPA is total of averaged per semester; while the cumulative GPA is the total of all grades for all semesters That is; the difference between GPA and cumulative GPA.
The GPA for the following on the scale of 4 GPA are;
88.69% -3.3
87.15% - 3.3
75.35% - 2.0
67.78% - 1.3
63.14% - 1.0
51.44% - 0.0
Learn more about the GPA here;
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If the diameter of it is 6, then its radius is half that.
Answer:
31/40 of the trail
Step-by-step explanation:
he completed 9/10 of the trail (or 72/80 because 9*8 is 72)
He went back 1/8 of the trail (or 10/80 because 1*10 is 10)
72-10 is 62
he went 62/80, simplified is 31/40 of the trail
