Answer:
569K
Explanation:
Q = 3.5kJ = 3500J
mass = 28.2g
∅1 = 20°C = 20 + 273 = 293K
∅2 = x
c = 0.449
Q = mc∆∅
3500 = 28.2×0.449×∆∅
3500 = 12.6618×∆∅
∆∅ = 3500/12.6618
∆∅ = 276.4220
∅2 - ∅1 = 276.4220
∅2 = 276.4220 + ∅1
∅2 = 276.4220 + 293
∅2 = 569.4220K
∅2 = 569K
Answer:
The value of dissociation constant of the monoprotic acid is .
Explanation:
The pH of the solution = 2.46
Initially
0.0144 0 0
At equilibrium
(0.0144-x) x x
The expression if an dissociation constant is given by :
The value of dissociation constant of the monoprotic acid is .
He has to use a different colored light at a higher frequency.
Answer:
the plant population over time has decreased. this could make all other organisms above the plant population numbers decrease as well.
Explanation: