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Vaselesa [24]
3 years ago
7

Can someone please help me. Like right now please

Chemistry
1 answer:
EastWind [94]3 years ago
8 0

Answer:

3rd law

Explanation:

when two objects interact, they apply forces to each other of equal magnitude and opposite direction.

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Cyclobutane, C4H8, consisting of molecules in which four carbon atoms form a ring, decomposes, when heated, to give ethylene. Th
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Answer:

The concentration of cyclobutane after 875 seconds is approximately 0.000961 M

Explanation:

The initial concentration of cyclobutane, C₄H₈, [A₀] = 0.00150 M

The final concentration of cyclobutane, [A_t] = 0.00119 M

The time for the reaction, t = 455 seconds

Therefore, the Rate Law for the first order reaction is presented as follows;

\text{ ln} \dfrac {[A_t]}{[A_0]} = \text {-k} \cdot t }

Therefore, we get;

k = \dfrac{\text{ ln} \dfrac {[A_t]}{[A_0]}}  {-t }

Which gives;

k = \dfrac{\text{ ln} \dfrac {0.00119}{0.00150}}  {-455} \approx 5.088 \times 10^{-4}

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The concentration after 875 seconds is given as follows;

[A_t] = [A₀]·e^{-k \cdot t}

Therefore;

[A_t] = 0.00150 × e^{5.088 \times 10^{-4} \times 875}  = 0.000961

The concentration of cyclobutane after 875 seconds, [A_t] ≈ 0.000961 M

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HCl(aq)+NaOH(aq) → NaCl(aq)+H2O)
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Answer:

The temperature of the reaction mixture increases.

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One very good indicator that a chemical reaction has taken place is that there is a temperature change about the reaction.

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  • Enthalpy changes of reactions are good parameters to measure whether or not a reaction has taken place.
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Answer:

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