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CBSE Class 12-science Answered

IN A RADIOACTIVE EQUILIBRIUM   A rightwards arrow B rightwards arrow C,   THE RATIO OF NUMBER OF ATOMS OF A TO B IS    1 colon space 2.8 asterisk times 10 hat 6.

IF HALF LIFE OF A IS 1620 YEARS, WHAT IS THE HALF LIFE OF B?
 
Asked by Isha | 18 Jan, 2016, 06:43: PM
answered-by-expert Expert Answer
Answered by Vaibhav Chavan | 21 Jan, 2016, 11:45: AM

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CBSE 12-science - Chemistry
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Asked by amitkumar.cis | 14 Jan, 2021, 12:40: PM
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CBSE 12-science - Chemistry
Explain why the rate of a chemical reaction does not remain uniform throughout the reaction?
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
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CBSE 12-science - Chemistry
For a chemical reaction X Y, The rate increases by the factor 2.25 when concentration of X is increased by 1.5. Derive or suggest the rate law equation and find the order of reaction.
Asked by Topperlearning User | 28 Mar, 2014, 10:16: AM
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CBSE 12-science - Chemistry
A gas phase decomposition of xy follows the rate law r = k[xy]n. what are the units of its rate constant?
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
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CBSE 12-science - Chemistry
The reaction A + 3B 2C obeys the rate equation: Rate = k[A]1/3 [B]3/2. Find out the order of this reaction?
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
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CBSE 12-science - Chemistry
The experimental data for the reaction: 2A + B2 → 2AB is: Write the rate equation for the reaction?
Asked by Topperlearning User | 22 Jun, 2016, 09:20: AM
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CBSE 12-science - Chemistry
The half-life of a first order decomposition of nitramide is 2.1 hour at 25o C. Determine the time taken for the compound to decompose 99% of its original amount, rate constant = 0.2303 per hour.
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
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CBSE 12-science - Chemistry
The rate of reaction between A and B increases by a factor of 100. Calculate the order of the reaction when the concentration of A is increased 10 times.
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
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CBSE 12-science - Chemistry
Calculate the rate of reaction from the rate law:  = k[A] [B]2, when the concentration of A and B are 0.01 M and 0.02 M respectively and k = 5.1 x 10-3 L2 mol-2 s-1.
Asked by Topperlearning User | 22 Jun, 2016, 09:17: AM
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CBSE 12-science - Chemistry
Derive an equation for calculating the half life of a first order reaction
Asked by Topperlearning User | 22 Jun, 2016, 09:18: AM
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