Answer:
2
Explanation:
Devising a repellent would by far be the most successful scenerio. The synthetic compound N,N-diethyl-meta-toluamide (DEET) is a good example of this repellant.
0.2842 M<span> * 114 </span>ml<span> = M2 * (114+137) </span>ml<span> ... 228 </span>mL<span> = 0.228 L 114 </span>mL<span> ... </span>Final concentration<span> (or molarity) = (0.0324 moles) / [(0.114 L + 0.137 L)]</span>
The area covered by a velocity-time graph
Explanation:
One important graphical method to the solution of displacement of an object is find the area covered by the curve. Displacement is the distance covered by a body during a particular period in time.
- A velocity-time graph has velocity on the vertical axis and time on the horizontal axis.
- With acceleration, the curve takes shapes and changes. There are periods of no acceleration,constant velocity, deceleration often observed on a velocity-time graph.
- Using this, one can determine the displacement of an object looking for the area of the shape the curve covers.
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The number of particles of atoms depends on the ratio of their composition in the compound
<h3>Further explanation</h3>
Given
5.432 g of table sugar
Required
moles of sample
moles of C, H and O
number of atoms
Solution
Table sugar : Sucrose : C₁₂H₂₂O₁₁
= 5.432 : 342,3 g/mol
= 0.016
C = 12 x 0.016 = 0.192
H = 22 x 0.016 = 0.352
O = 11 x 0.016 = 0.176
C = 0.192 x 6.02 x 10²³ = 1.16 x 10²³
H = 0.352 x 6.02 x 10²³ = 2.12 x 10²³
O = 0.176 x 6.02 x 10²³ = 1.06 x 10²³