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Himani
Subject: Chemistry
, asked on 12/6/18
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Answer
2
Kaushal Patil
Subject: Chemistry
, asked on 27/1/17
Describe isolation method in determination of rate law & order of reaction
Answer
2
Priya Rathi
Subject: Chemistry
, asked on 3/7/16
the rate constant of first order reaction is 6.8 *10
-4
s
-1
,if the initial concentration of the reactant is 0.004 M ,what is the molarity after 20 minutes ?How long will it take for 25% of the reactant to react?
Answer
1
Priya Rathi
Subject: Chemistry
, asked on 28/6/16
the gaseous reaction A
2
---> 2a is first order in A
2
.after 12.3 minutes 65% of A
2
remains undecomposed . how long will it take to decompose 90% of A
2
?what is the half life of the reaction?
Answer
1
Himani
Subject: Chemistry
, asked on 12/6/18
53. The rate constant of a reaction at temperature 200K is 10 times less than the rate constant at 400 K. What is the activation energy (E
a
) of the reaction (R = gas constant)
(a) 1842.4 R (b) 921.2 R (c) 460.6 R (d) 230.3 R
54. In respect of the equation
K
=
A
e
-
E
a
/
R
T
in chemical kinetics, which one of the following statement is correct
Answer
1
Siddhanth Chauhan
Subject: Chemistry
, asked on 12/5/18
Consider the reaction 2A + B → 2C. Suppose that at a particular moment during the reaction, rate of disappearance of A is 0.076 M/s, (a) What is the rate of formation of C? (b) What is the rate of consumption of B? (c) What is the rate of the reaction?
[(a) 0.076 M/s (b) 0.038 M/s (c) 0.038 M/s]
Answer
1
Krishna Soni
Subject: Chemistry
, asked on 8/7/17
the first order reaction takes 5 minutes for the initial concentration of 0.6 mol L
-1
to become 0.4 mol L
-1
. how long will it take for the initial concentraation to become 0.3 mol L
-1
Answer
0
Shubham
Subject: Chemistry
, asked on 27/7/17
for 3A givesrise to xB,d[b]/dtis found to be 2/3rd of d[A]/dt then the value of x is plz respond quickly a.1.5 b.3 c.1/2 d.2
Answer
1
Simrath Reem
Subject: Chemistry
, asked on 4/11/15
Can u pls explain me the variation of total pressure of a reaction with time like decomposition of ethylene oxide into CH4 and CO
Answer
1
Dhanashree M Kate
Subject: Chemistry
, asked on 1/4/16
For a chemical reaction A+2Bgives C if the rate of disappearence of A is 0.5 mol/dm3 /hour,tha rate of disappearance of B is,
(a) 0.25 (b)0.5 (c)1 (d)2
please give the ans. as soon as possible.
Answer
1
Nageshwar
Subject: Chemistry
, asked on 7/1/19
Given sample of milk turns sour at room temperature 20°C in 64 hrs . In a refrigerator at 3°C milk can be stored three times as long before it sours Estimate a) the activation energy for soring of milk and b) how long will it take milk to sour at 40°C
Answer
4
Yash Gurav
Subject: Chemistry
, asked on 21/8/14
reaction
ti+ +2ce4+ ti3+ +2ce3+ rate law for reaction
Answer
2
Priya Rathi
Subject: Chemistry
, asked on 20/8/16
explain in reaction
activation energy can be zero
activation energy can be negative
Answer
1
Sonie Jain
Subject: Chemistry
, asked on 27/1/18
The Half Life of first order reaction is 30 minute and initial concentration of reactant is 0.1M. If the initial concentration of reactant is doubled then find half life of reaction.
Answer
1
Dhanashree M Kate
Subject: Chemistry
, asked on 1/4/16
please give all the formulae for chemical kinetics as soon as possible
Answer
1
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Next
What are you looking for?
(a) 1842.4 R (b) 921.2 R (c) 460.6 R (d) 230.3 R
54. In respect of the equation in chemical kinetics, which one of the following statement is correct
[(a) 0.076 M/s (b) 0.038 M/s (c) 0.038 M/s]
(a) 0.25 (b)0.5 (c)1 (d)2
please give the ans. as soon as possible.
reaction
ti+ +2ce4+ ti3+ +2ce3+ rate law for reaction