Answer: The given question is incomplete. The complete question is:
At a certain temperature the rate of this reaction is second order in 
with a rate constant of 
. 
Suppose a vessel contains at a concentration of 0.100 M Calculate how long it takes for the concentration of to decrease to 0.0240 M. You may assume no other reaction is important. Round your answer to 2 significant digits.
Answer: It takes 0.93 seconds for the concentration to decrease to 0.0240 M.
Explanation:
Integrated rate law for second order kinetics is given by:
= initial concentration = 0.100 M
a= concentration left after time t = 0.0240 M
k = rate constant =
t = time taken for decomposition = ?
Thus it takes 0.93 seconds for the concentration to decrease to 0.0240 M.
Answer:
Explanation:
Since temperature is to be maintained ; constant temperature and a such, the process is ISOTHERMAL
- to calculate mass of then gas = P1V/RT1
- m1 = 10 x 10^5 x 0.3 / 287 x 330
- similarly for m2 = P2V/RT2
- hence required mass = m1 - m2
b) Considering a well-insulated cylinder ;
Cp = 29J/molK
Temperature T2 = T1 [ P1/P2]^(1-γ)/γ
where γ = 1.4
plugging the values into the equation ; T2 = 171k
hence mass of the gas m1 = P1V/RT1
= 10 x 10^5 x 0.3/287 x 171
= 6.11kg
mass of m2 = P2V/RT2
= 10^5 x 0.3/287 x 171
= 0.611kg
hence required mass = m1 - m2
= 5.50kg
Answer:
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Explanation:
Ocean water is constantly moving, and not only in the form of waves and tides. Ocean currents flow like vast rivers, sweeping along predictable paths. Some ocean currents flow at the surface; others flow deep within water. ... Tides contribute to coastal currents that travel short distances.
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