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vera_ewing
 one year ago
If the decomposition reaction of 1.4 M initial hydrogen peroxide (H2O2) occurs so that after 3 minutes, 0.83 M is left, what is the rate of the reaction?
A. 0.0046 M/s
B. 0.012 M/s
C. 0.19 M/s
D. 0.0032 M/s
vera_ewing
 one year ago
If the decomposition reaction of 1.4 M initial hydrogen peroxide (H2O2) occurs so that after 3 minutes, 0.83 M is left, what is the rate of the reaction? A. 0.0046 M/s B. 0.012 M/s C. 0.19 M/s D. 0.0032 M/s

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vera_ewing
 one year ago
Best ResponseYou've already chosen the best response.0@rvc @sweetburger What do you guys think?

rvc
 one year ago
Best ResponseYou've already chosen the best response.2please stay with us @Vocaloid :) vera you may know the formula for the following question

rvc
 one year ago
Best ResponseYou've already chosen the best response.2could you please write down the formula @vera_ewing

TrojanPoem
 one year ago
Best ResponseYou've already chosen the best response.1−Δ[Reactants]/ Δt or Δ[Products]/Δt

rvc
 one year ago
Best ResponseYou've already chosen the best response.2\(\Large\rm Rate = Change~in~concentration~per~time\)

TrojanPoem
 one year ago
Best ResponseYou've already chosen the best response.1 (1.4  0.83) / 3 * 60  initial ( 0 ) = approximately =  0.003166 = 0.0032 M/S Notice: In other example if there is coefficients with the reactants or products .. All these formulas are out.

TrojanPoem
 one year ago
Best ResponseYou've already chosen the best response.1@rvc, Change in concentration per time is average rate of reaction

vera_ewing
 one year ago
Best ResponseYou've already chosen the best response.0So the answer is D?

rvc
 one year ago
Best ResponseYou've already chosen the best response.2yep sorry for the mistake thanks

vera_ewing
 one year ago
Best ResponseYou've already chosen the best response.0Thank you! Who should I give the medal to?

vera_ewing
 one year ago
Best ResponseYou've already chosen the best response.0How about this one?

vera_ewing
 one year ago
Best ResponseYou've already chosen the best response.0@sweetburger Help please! @rvc

rvc
 one year ago
Best ResponseYou've already chosen the best response.2do you know about the energy profile diagram?

rvc
 one year ago
Best ResponseYou've already chosen the best response.2the starting of the curve is about the energy of reactants the middle part is the transition state and the latter part is the energy of products

vera_ewing
 one year ago
Best ResponseYou've already chosen the best response.0So the answer is B?

rvc
 one year ago
Best ResponseYou've already chosen the best response.2what difference do you see?

rvc
 one year ago
Best ResponseYou've already chosen the best response.2i think its C since the values are different

vera_ewing
 one year ago
Best ResponseYou've already chosen the best response.0Are you 100% sure it's C?

vera_ewing
 one year ago
Best ResponseYou've already chosen the best response.0How about this one?

rvc
 one year ago
Best ResponseYou've already chosen the best response.2The question is asking about the least amount of time Which is the smallest no from the four options?

vera_ewing
 one year ago
Best ResponseYou've already chosen the best response.0C can't be correct??

rvc
 one year ago
Best ResponseYou've already chosen the best response.2Min is greater than sec so you r right what remains next?

vera_ewing
 one year ago
Best ResponseYou've already chosen the best response.0I think the answer is A...do you agree?

vera_ewing
 one year ago
Best ResponseYou've already chosen the best response.0Ohh so it's not A or C right?

rvc
 one year ago
Best ResponseYou've already chosen the best response.24.48 X 10^5= 0.0000448 s^1

vera_ewing
 one year ago
Best ResponseYou've already chosen the best response.0So the answer is B?
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