4.22
Explanation:
The most acidic rainfall in New York State will have pH of 4.22 whereas the least acidic will be that of 4.40.
The pH scale expresses the acidity or alkalinity of aqueous solutions.
- The pH scale ranges from 1 to 4
- An acidic solution will have a pH value less than 7
We have given a range of values between 4.22 to 4.40
This implies that the pH values of rainfall in this region falls between these extremes.
The least value 4.22 is the most acidic
The value 4.4 is the the least acidic
The lower the pH value, the more acidic a solution is.
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Answer: assuming that the billiard balls are of identical weight the impacted billiard ball will move forward at around 0.5m/s (not considering energy conservation). The ball impacting the 2nd one would stop because most of its Kinetic energy would have been transferred into the not moving ball.
Explanation: hope this helps!
Answer:
the fraction of the total energy (Etot) of the cart-spring system is elastic potential energy (Us) is 0.25
the fraction is kinetic energy (K) when the cart is at position x=A/2 is 0.75
Explanation:
the solution is in the attached Word file
To calculate for the pressure of gas in mm Hg, we simply
need to use a conversion factor.
We know that 1 atm is equal to 760 mm Hg therefore:
P = 1.50 atm * (760 mm Hg / 1 atm)
P = 1,140 mm Hg
<span>Answer: D</span>
Answer:
there is a negative charge on electron.
Explanation:
