Consider this reaction:

2Cl2O5 (g)-->2Cl2(g) +5O2 (g)

At a certain temperature it obeys this rate law.

rate= (17.4 M -1 .s -1 ) [Cl2O5]2

Suppose a vessel contains Cl2O5 at a concentration of 1.46M. Calculate the concentration of Cl2O5 in the vessel .400 seconds later. You may assume no other reaction is imporant. Round your answer to 2 significant digits.

0.13 M ( 2 s.f)

Explanation:

2Cl2O5 (g)-->2Cl2(g) +5O2 (g)

rate= (17.4 M -1 .s -1 ) [Cl2O5]2

From the rte above, we can tell that our rate constant (k)  = 17.4 M -1 .s -1

The units of k tells us this is a second order reaction.

Initial Concentration  [A]o = 1.46M

Final Concentration  [A] = ?

Time = 0.400s

The integrated rate law for second order reactions is given as;

1 / [A] = (1 / [A]o) + kt

1 /  [A] = [ (1/ 1.46) + (17.4 * 0.4) ]

1 /  [A] = 0.6849 + 6.96

1 /  [A] = 7.6496

[A] = 1 / 7.6496

[A] = 0.13073 M ≈ 0.13 M ( 2 s.f)

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answer: e.   sour taste

explanation: acids are those substances which dissociates in water to give ions. as they dissociate to give ions, they act as electrolytes and thus are electrically conductive. acids are sour in taste. example: hcl

bases are those substances which dissociates in water to give ions or accepts ions. as they dissociate to give ions, they act as electrolytes and thus are electrically conductive. bases are bitter in taste. bases are slippery in nature.