Question

Consider the reaction: A(g)+12B(g)→2C(g).

When C is increasing at a rate of 3.5×10−2 M⋅s−1 , how fast is B decreasing? How fast is A decreasing?

Answer #1

Consider the reaction: A(g)+1/2B(g)→2C(g). Determine the
expression for the rate of the reaction with respect to each of the
reactants and products. When C is increasing at a rate of 1.5×10−2
M⋅s−1 , how fast is B decreasing?How fast is A decreasing? please
show work, i am a but lost

Increasing the concentration of A will cause
A (g) + 3B (s) <---> 2C
(g) + energy
The equilibrium to shift left/reverse reaction to be
favoured.
The equilibrium to shift right/forward reaction to be
favoured.
no effect on the equilibrium.
no effect on the equilibrium but will change the rate at which
it is reached.
Increasing the concentration of C will cause
A (g) + 3B (s) <---> 2C
(g) + energy
The equilibrium to shift left/reverse reaction to be...

For the reaction A+2B→2C, the rate of reaction is 1.82×10−5 Ms−1
at the time when [A]= 0.3585 M
a)What is the rate of formation of C?
b)What will [A] be 1.00 min later?
c)Assume the rate remains at 1.82×10−5 Ms−1 . How long would it
take for [A] to change from 0.3585 M to 0.3505 M ? Express your
answer using two significant figures

1) A(g) + 2B(g) → 2C(g)
If Kp for the above reaction is 4.50 x
10-2, what is the value of Q if the pressures of A, B,
and C are 0.250 atm, 0.124 atm, and 0.450atm respectively?
2) A(aq) + B(aq) → 2C(aq)
If the value of Kc for the reaction is 471, what is
the concentration of C at equilibrium if initial concentrations of
A and B are both 0.500 M. (Hint: Everthing is squared after you
set-up...

7. Consider the following reaction: 2NO2 (g) -> 2NO(g) + O2
(g) rate = k[NO2]^2
When the initial concentration of NO2 is 100 mM, it takes 55 s
for 90% of the NO2 to react. Calculate the rate constant. a) 0.042
M–1·s–1 d) 1.6 ´ 10–3 M–1·s–1 b) 1.8 ´ 10–5 M–1·s–1 e) 0.13 M–1·s–1
c) 1.6 M–1·s–1
I am getting d.) but i am not sure, please confirm

(1) The volume of a cube is increasing at a rate of 10 cm3/min.
How fast is the surface area increasing when the length of an edge
is 20 cm?
(2) Suppose oil spills from a ruptured tanker and spreads in a
circular pattern. If the circumference of the oil spill increases
at a constant rate of 2 m/s, how fast is the area of the spill
increasing when the radius is 30 m?

Determining reaction order: the method of initial rates
2C+3D----> E+F
exp
(c)
(d)
Rate (m/s)
1
2
2
10.00
2
6
2
30.00
3
1
1
1.25
4
2
4
80.00
Determine the order with respect to c and d and calculate the
value of k
THe answer is
ANswer: Rate=k(c)^1(D)^3
K=0.675s^-1M-3
But how do you show the work

Given the standard reaction enthalpies for these two
reactions:
(1) 2C(s) + 2H2(g) = C2H4(g)...... ΔrH° = 52.3 kJ/mol
(2) 2C(s) + 3H2(g) = C2H6(g)......ΔrH° = -84.7 kJ/mol
calculate the standard reaction enthalpy for the reaction: (3)
C2H4(g) + H2(g) = C2H6(g)......ΔrH° = ?

The side x of a rectangle is increasing at a rate of 2 cm/s
while its side y is decreasing
at a rate of 1 cm/s.
(a) Find how fast the perimeter P of the rectangle is changing when
x = 4 cm and
y = 3 cm.
(b) Find how fast the area A of the rectangle is changing when x =
4 cm and y = 3
cm.
(c) Find how fast the length l of diagonal of...

Consider the following reaction: 2NO(g)+2H2(g)→N2(g)+2H2O(g)
What is the reaction rate at 1000 K when the concentration of NO is
increased to 0.11 M, while the concentration of H2 is 1.50×10−2
M?
and If a solution containing 30.0 g of a substance reacts by
first-order kinetics, how many grams remain after three
half-lives?
and lastly The isomerization of
methylisonitrile to acetonitrile CH3NC(g)→CH3CN(g) is first order
in in CH3NC. The half-life of the reaction is 5.20 × 101 s at 545
K....

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