What is the altitude of Polaris in the night sky at elmira
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The initial pH for the weak acid-strong base curve is higher than the initial pH for the strong acid-strong base curve. Hence, option A is correct.
<h3>What is a weak acid?</h3>Weak acids are acids that don't completely dissociate in solution.
A weak acid is an acetic acid. It has a of 1.8⋅. Calculate how much it will dissociate in water. Since acetic acid is a weak acid so large part will not dissociate completely.
B is not true, it shows the titration curve for weak/strong acid titrated with a strong base. When choosing an indicator for colourimetric titration select one so that the pH jump at the equivalence point contains the interval p±1. Phenolphthalein has a p≈9, so to decide if it is a suitable indicator check if the pH jumps from 8 to 10 at the equivalence point.
C is not true either because of the very slow reaction.
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<span>Uranium-236 is intermediate nuclei. created by fusion reactions an unstable isotope of uranium created from four hydrogen atoms used in the H-bomb.
Following is the reaction involved in above process:
</span>
+ 
→ 
→ 
+ 
+ 3 <span> + 177 MeV
</span>
Here,
= Fission material,
= projectile,
= intermediate nuclei,
and = Fission product
Following is the reaction involved in above process:
</span>
</span>
Here,