Answer:
We have to take 37.5 mL of a 0.400 M solution
Explanation:
Step 1: Data given
Stock volume = 100 mL = 0.100L
Stock concentration 0.400 M
Volume of solution he wants to make = 100 mL = 0.100L
Concentration of solution he wants to make = 0.150 M
Step 2: Calculate the volume of 0.400 M CuSO4 needed
C1*V1 = C2*V2
⇒with C1 = the stock concentration = 0.400M
⇒with V1 = the volume of the stock = TO BE DETERMINED
⇒with C2 = the concentration of the solution he wants to make = 0.150 M
⇒with V2 = the volume of the solution made = 0.100 L
0.400 M * V1 = 0.150M * 0.100L
V1 = (0.150M*0.100L) / 0.400 M
V1 = 0.0375 L = 37.5 mL
We have to take 37.5 mL of a 0.400 M solution
c.
The energy source of tsunami waves is much greater
Explanation:
The major difference between a tsunami waves and ripple waves is that the energy source of tsunami waves is much greater compared to ripple waves.
Tsunami waves carry more energy compared to just a disturbance resulting from a ripple caused by dropping of a stone.
- A tsunami is a large water wave caused by the displacement of water usually by an earthquake.
- An earthquake is a releases elastic waves suddenly within the earth crust.
- Water bodies at the epicenter are disturbed sending huge volume of energetic water loads to the land.
- A ripple is just a product of a stone dropped inside the water.
Tsunamis are more energetic compared to ripples in water.
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Answer:
according to me option a is the correct one
