Answer:
A
Explanation:
There is a specific tool called an oil drill that drills into the ground and then a pipe sucks the oil up onto a vessle
The total pressure is 6.7 atm. The mole fractions of O₂ and Ar are 0.42 and 0.037.
<em>p</em>(Tot) = <em>p</em>(N₂) + <em>p</em>(O₂) + <em>p</em>(Ar) + <em>p</em>(He) = 3.5 atm + 2.8 atm + 0.25 atm + 0.15 atm = 6.7 atm
χ(O₂) = p(O₂)/p(Tot) = 2.8 atm/6.7 atm = 0.42
χ(Ar) = p(Ar)/p(Tot) = 0.25 atm/6.7 atm = 0.037
Answer:
Option C (6750 J) is the appropriate response.
Explanation:
The given values are:
Mass of iron,
m = 3 kg
Specific heat capacity,
= 0.450
Temperature,
T = 
= 
Now,
⇒ 
On substituting the values, we get
⇒ 
⇒ 
i.e,
⇒ 
A solution of a pH of 4 has 10 times the concentrations of H+ present compared to a solution with a pH of 5, where;
pH = - log [H+], the concentration of H+ of pH=4 is:
[H+] = anti Log (- pH) = 10 ^ - pH = 10 ^ - 4 = 0.0001 M >>>>> (1)
the concentration of H+ of pH = 5 is
10^ -5 = 0.00001 M >>>>> (2)
So, (1) more than (2) by 10 times
True- That Momentum is not equal to the mass of an object divided by its velocity .