What is the expected following point of a 0.5 as solution of Ca2SO4 in water? Kg

Question

What is the expected following point of a 0.5 as solution of Ca2SO4 in water? Kg foe water is 1.36 degree C? Nitrogen dioxide decomposes to nitric oxide and oxygen via the reaction 2NO_2 rightarrow 2NO + O_2 In a particular experiment at 300 degree C,[NO_2] drop from 0.0145 to 0.00738 M in 354 s. rate of disappearance of NO_2 for this period is M/s. The oxidation of bisulfate ion by chromate in acid solution occurs according to How is the change of [HSO_3^-] related to that of [H_2O]? For a reaction that the rate law, Rate = k[O_2][NO]^2, what will happen to the reaction rate if the concentration of NO is increased by a factor of 2.25? The rate will

Explanation / Answer

6.

(0.0145 M-0.00738M)/(2 x 354s) = 1.01x10-5 M/s

7. answer C

8. answer D   (2.252 = 5.06)

I don't see the text for 5.

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