Answer: Option (b) is the correct answer.
Explanation:
The given chemical reaction shows that hydrogen cyanide acid has been added to water which results in the formation of hydronium ion and cyanide ion.
Also, when we add a base like sodium hydroxide (NaOH) to HCN then it will help in accepting a proton (
) from hydrogen cyanide. As a result, formation of 
anion will be rapid and easy.
This will make the system not to do any extra work. So, amount of work done by system will decrease.
Thus, we can conclude that out of the given options, add solid NaOH to the reaction (assume no volume change) will decrease the amount of work the system could perform.
Answer:
It would be an element my dear.
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Pure gold is an element. That is, it is not a combination of other materials. However, gold used in jewelry is usually a “mixture”, called an alloy mixed with other metals to harden it, to change the color as in copper makes the pink or rose gold that is currently enjoying great polarity.
Explanation:
If we change the concentration of Potassium since we take KI solution, concentration of I- changes, then the rate changes accordingly
Rate = k[H2O2 ]^a[I-]^b [H+]^c
The concentrations of I- and H+ are held constant in the procedure
thus to study the rate of the reaction, concentration of KI solution has to be constant only the peroxide solution varies.
What kind of bond is formed between successive amino acids during translation?The answer would be "a peptide bond"
Answer:
A large plateau forms in the interior of a continental plate when a large section of the plate rises evenly due to an even expansion of the underlying mantle. B.
