Answer:
option B
Explanation:
Current unit is ampere (A)
Ampere will be equivalent to = ?
we know,
Current can be define as the charge per unit time
unit of charge(Q) is coulomb which is equal to C.
unit of time(t) is equal to 's'.
now,
unit of I = C/s
ampere(A) is equivalent to C/s
The correct answer is option B
Answer: = 0.0050 M
= 0.0155 M
Explanation:
Initial moles of = 0.072 mole
Volume of container = 3.9 L
Initial concentration of
The given balanced equilibrium reaction is,
Initial conc. 0.018 M 0
At eqm. conc. (0.018-x) M (2x) M
The expression for equilibrium constant for this reaction will be,
we are given :
Now put all the given values in this expression, we get :
So, the concentrations for the components at equilibrium are:
Hence, concentrations of and
are 0.0050 M ad 0.0155 M respectively.
Answer
Mass m = 78 kg
Vertical height in each stage h = 11 m
(a).
Initial speed u = 0
Final speed v = 1.1 m / s
a = 0.055 m/s²
Work done
(b).Work done
W_b = 78× 9.8× 11
c)
Work done
Where V = final speed
= 0
v = 1.1 m / s
for deceleration a = -0.055 m/s²
now,
W_c = 545.75 × 11