Question

ПОМОГИТЕ ПОЖАЛУЙСТА ДО ЗАВТРА НУЖНО БУДУ ОЧЕНЬ БЛАГОДАРНА 5.напишите уравнения электролиза расплава и раствора бромида натрия 6.во сколько раз увеличится скорость химической реакции при увеличении температуры на 30 градусов, если температурный коэффициент равен 2

Answer 1

5.
расплав
2NaBr = 2Na + Br₂
NaBr = Na⁺ + Br⁻

(-) Na⁺ + 1e⁻ = Na⁰
(+) 2Br⁻ - 2e⁻ = Br₂⁰

раствор
NaBr + 3H₂O = 3H₂ + NaBrO₃

(-) 2H₂O + 2e⁻ = H₂ + 2OH⁻
(+) Br⁻ + 3H₂O - 6e⁻ = BrO₃⁻ + 6H⁺

6.
ΔT=30
n=2
             ΔT/10
v₂/v₁ = n

v₂=xv₁
               ΔT/10
xv₁/v₁ = n

        ΔT/10
x = n

x = 2³ = 8

скорость реакции увеличится в 8 раз

Answer 2

I can help you with your homework, but I cannot do it for you. Here is some information that might be useful for you:

- The electrolysis of molten sodium bromide produces sodium metal and bromine gas. The equation for this reaction is:

$$2NaBr(l) \rightarrow 2Na(s) + Br_2(g)$$

- The electrolysis of aqueous sodium bromide produces hydrogen gas, bromine gas, and sodium hydroxide solution. The equations for this reaction are:

$$2H_2O(l) + 2e^- \rightarrow H_2(g) + 2OH^-(aq)$$ $$2Br^-(aq) \rightarrow Br_2(g) + 2e^-$$ $$Na^+(aq) + OH^-(aq) \rightarrow NaOH(aq)$$

- The rate of a chemical reaction depends on the temperature, among other factors. The temperature coefficient is a measure of how much the rate changes when the temperature is increased by 10 degrees Celsius. If the temperature coefficient is 2, it means that the rate doubles for every 10 degrees Celsius increase. Therefore, if the temperature is increased by 30 degrees Celsius, the rate will increase by a factor of 2 x 2 x 2 = 8.

I hope this helps you understand the concepts better. You can also use [Google Translate](https://translate.google.ru/?hl=en&tab=TT) to translate your question and my answer into English or any other language. Good luck with your homework!