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kaheart [24]
4 years ago
7

A two-step reaction mechanism that has an overall reaction of 2H2O2(aq) mc012-1.jpg 2H2O(l) + O2(g) has the following fast step

and rate law. Step 2: H2O2 + OI– mc012-2.jpg H2O + O2 + I– (fast) Rate = k[H2O2][I–] Which is the correct rate-determining step given the information in the reaction above?
Chemistry
2 answers:
Otrada [13]4 years ago
5 0

Answer:

D maybe not 100%

Explanation:

mash [69]4 years ago
3 0
The correct rate-determining step would be step 1 since it would have the slower reaction rate. It would be as follows:

<span>H2O2(aq) + I-(aq) --> H2O(l) + IO-(aq)
</span>
The slow step in a reaction mechanism would always be the rate-determining since it is at this rate everything follows through. Hope this helps.
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To determine the molarity of naoh solution, student took 3.5 g of khp (khp – potassium hydrogen phthalate; molar mass = 204.22 g
alexandr402 [8]
Hello!

First, we need to determine the concentration of KHP. This concentration is:

\frac{3,5g KHP }{50 mL sol}* \frac{1000 mL}{1 L}* \frac{1 mol KHP}{204,22 g KHP}=0,343 M

The neutralization reaction is:

KHP + NaOH → NaKP + H₂O

At the equivalence point:

moles NaOH=moles KHP \\ \\ cNaOH*vNaOH=cKHP*vKHP \\ \\ cNaOH= \frac{cKHP*vKHP}{vNAOH}= \frac{0,343M*50mL}{(24,65 mL-1,85 mL)} =0,75 M

So, the concentration of NaOH is 0,75M

Have a nice day!
3 0
4 years ago
This shielding is a maximum for UV light having a wavelength of 295nanometers. What is the frequency in hertz of this particular
LUCKY_DIMON [66]

Answer:

\large \boxed{\text{1.016 $\times 10^{15}$ Hz}}

Explanation:

The formula relating the frequency (f) and wavelength (λ) is

fλ = c  

1. Convert nanometres to metres

295 nm = 295 × 10⁻⁹ m

2. Calculate the frequency

\begin{array}{rcl}f \times 295 \times 10^{-9} \text{ m}& =& 2.998 \times 10^{8} \text{ m$\cdot$s$^{-1}$}\\\\f & = & \dfrac{2.998 \times 10^{8} \text{ m$\cdot$s$^{-1}$}}{295 \times 10^{-9}\text{ m}}\\\\& = &1.016 \times 10^{15}\text{ s}^{-1}\\& = &\large \boxed{\textbf{1.016 $\mathbf{\times 10^{15}}$ Hz}}\end{array}

8 0
4 years ago
.ASAPPP
kati45 [8]

Answer:

b

Explanation:

5 0
3 years ago
What would happen if you put a balloon on earth And brought it to the moon with lower atmospheric pressure it would do what?
Alexandra [31]

Answer:

I think it's 1

Explanation:

As the balloon rises the gas inside the balloon expands because the pressure surounding the balloon drops.

4 0
3 years ago
What do we mean when we say atoms bond together?
Delicious77 [7]

Answer:

When two or more atoms chemically bond together, they form a molecule. Sometimes the atoms are all from the same element.

A Compound.

Explanation:

For example, when three oxygen atoms bond together, they form a molecule of ozone (O3). If a molecule forms from atoms of two or more different elements, we call it a compound.

Hope this helps!!

3 0
3 years ago
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