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The internal energy of the system increa...

The internal energy of the system increases when the following reaction is carried out :
`A+B to C`
State whether the reaction is exothermic and endothermic.

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Exothermic.
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The Q value of a nuclear reaction A + b to C + d is defined by Q = [m_A + m_b – m_C – m_d]c^2 where the masses refer to the respective nuclei. Determine from the given data the Q-value of the following reactions and state whether the reactions are exothermic or endothermic. (i) ""_(1)^(1)H + ""_(1)^(3)H to _(1)^(2)H + _(1)^(2)H (ii) ""_(6)^(12)C + ""_(6)^(12)C to ""_(10)^(20)Ne + ""_(2)^(4)He Atomic masses are given to be m (""_(1)^(2)H) = 2.014102 u m (""_(1)^(3)H) = 3.016049 u m (""_(6)^(12)C ) = 12.000000 u m (""_(10)^(20)Ne ) = 19.992439 u .

Which of the following reactions is not exothermic ?

The following reaction were carried out. The finalproduct formed in the above reaction sequence is :

Which of the following reactions is most exothermic ?

Identify A, B, C and D in the following reactions:

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ZEN PUBLICATION-CHEMICAL REACTIONS AND EQUATIONS-ZEN ADDITIONAL QUESTIONS SECTION (VERY - SHORT - ANSWER [VSA] TYPE QUESTIONS )
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  4. The internal energy of the system increases when the following reactio...

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  5. Classify the following as exothermic and endothermic reactions. Phot...

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  7. Write the type of chemical reaction in the following. reaction betwe...

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  8. Write the type of chemical reaction in the following. rusting of iro...

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  9. Which two gases are evolved when ferrous sulphate is heated ?

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  10. What is a redox reaction ?

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  13. Give two wxamples from daily where redox reactions are taking place.

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  14. Which one is a chemical change - rusting or iron or melting of ice ?

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  18. AgNO(3)+NaCl to AgCldarr+NaNO(3) FeS+H(2)SO(4)toFeSO(4)+H(2)Suarr ...

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  19. What is neutralisation reaction?

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  20. An iron ring is to be coated with copper. How can we do this without u...

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