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Bhanurja Bharat Mhatre
Subject: Chemistry
, asked on 29/6/22
Chemical kinetics half life period
Answer
1
Shruti Khandekar
Subject: Chemistry
, asked on 14/2/22
Please help me answer this question..
What is the influence of particle size of reacting solid on rate of a chemical reaction?
Answer
1
Narendra
Subject: Chemistry
, asked on 13/2/22
Enthalpy of the reactions.
Answer
1
Narendra
Subject: Chemistry
, asked on 13/2/22
Find enthalpy of following?
Answer
1
Narendra
Subject: Chemistry
, asked on 13/2/22
Calculate the standard enthalpy of the reaction.
2Fe(s) +
3
2
O2(g) Fe2O3(s)
Given: i) 2Al(s) + Fe2O3(s) 2Fe(s) + Al2O3(s) ?fH? = - 847.6 KJ
ii) 2Al(s) +
3
2
O2(g) Al2O3(s) ?fH? = -1670 KJ
Answer
1
Shaurya
Subject: Chemistry
, asked on 12/12/21
Pls tell me the answer ASAP
Answer
1
Monalisa Ranjan
Subject: Chemistry
, asked on 31/8/21
for the elementary reaction a + b is equal to see the rate of constant K is equal to 10 raise to minus 6 sem old is minus 1 into SAS -1 write the rate law and calculate the initial rate of a reaction if AC is equal to 0.1 Mol elders -1 and the Bees equal to 0.24 mole elders -1
Answer
1
Anmol Nikambe
Subject: Chemistry
, asked on 17/7/21
find the following MCQ in given
Answer
1
Anmol Nikambe
Subject: Chemistry
, asked on 21/6/21
what is smart reaction
Answer
1
Anmol Nikambe
Subject: Chemistry
, asked on 1/4/21
What is half life of first order reaction if time required to decrease concentration of reactants from 0.8M to
0.2M is 12 hrs
Answer
1
Anmol Nikambe
Subject: Chemistry
, asked on 1/4/21
Rate constant for the reaction 2N2O5 ? 4NO2 + O2 is 4.98 x 10-4 s -1 Find the order of reaction?
Answer
1
Arya Rane
Subject: Chemistry
, asked on 29/3/21
A ? products, a straight line graph passing through origin is obtained between the rate of reaction against
concentration of A, what would be the order of reaction? Why?
Answer
1
Anmol Nikambe
Subject: Chemistry
, asked on 2/3/21
What is action of conc. H2
SO4
on sulphur ? Write the reaction
Answer
1
Anmol Nikambe
Subject: Chemistry
, asked on 2/3/21
The boiling point of solution containing 2.62 g of substance A in 100 g of water is higher by
0.05120
C than the boiling point of pure water. The molar mass of substance is ----------.
(Kb
= 5.12 K m-1)
A) 131 g mol-1 B) 262 g mol-1 C) 26.2 g mol-1 D) 2620 g mol-1
Answer
1
Arya Rane
Subject: Chemistry
, asked on 31/1/21
How to differentiate between zero order and first order reactions
Answer
1
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What is the influence of particle size of reacting solid on rate of a chemical reaction?
2Fe(s) +
3
2
O2(g) Fe2O3(s)
Given: i) 2Al(s) + Fe2O3(s) 2Fe(s) + Al2O3(s) ?fH? = - 847.6 KJ
ii) 2Al(s) +
3
2
O2(g) Al2O3(s) ?fH? = -1670 KJ
0.2M is 12 hrs
concentration of A, what would be the order of reaction? Why?
SO4
on sulphur ? Write the reaction
0.05120
C than the boiling point of pure water. The molar mass of substance is ----------.
(Kb
= 5.12 K m-1)
A) 131 g mol-1 B) 262 g mol-1 C) 26.2 g mol-1 D) 2620 g mol-1