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PSYCHO15rus [73]

3 years ago

14

Please answer the question that is attached to this question. It will be a BIG help for my homework if you give a proper explana

tion. I promise I will eventually give brainly for the best answer.

1 answer:

vichka [17]3 years ago

8 0

Naw man I ain’t the correct answer

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What is the concentration of H3O ions in pure water?

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The answer is 10-7M

Explanation:

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A matrix made of wood is called a n____

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Answer:

What is the matrix used in lithography? Lithography is a planographic or "flat surface" method that uses a stone slab matrix. Unlike relief and intaglio printing, the matrix used in lithography is completely flat. Serigraphy is also known as "silkscreen painting".

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3 years ago

Carbonic anhydrase of erythrocytes (Mr 30,000) has one of the highest turnover numbers known. It catalyzes the reversible hydrat

Afina-wow [57]

Explanation:

According to the given data, the turnover number can be calculated as follows.

Turnover number = $K_{cat} = \frac{V_{max}}{\text{Concentration of enzyme}}$

$V_{max} = \frac{\text{Moles of CO_{2} hydrolyzed}{second}$

Therefore, moles of $CO_{2}$ hydrolyzed is as follows.

Moles of $CO_{2}$ hydrolyzed = $\frac{Mass of CO_{2}}{Molar mass of CO_{2}}$

= $\frac{0.30}{44}$

= 0.00682 moles

Now, moles of $CO_{2}$ hydolyzed per second is calculated as follows.

Moles of $CO_{2}$ hydolyzed per second = $\frac{0.00682}{60}$

= $1.137 \times 10^{-4} moles/second = V_{max}$

And,

Moles of enzyme = $\frac{Mass}{\text{Molar mass}}$

= $\frac{10.0 \mu g}{30000}$

= $3.33 \times 10^{-10}$ moles

Therefore, the value of $K_{cat}$ is as follows.

$K_{cat} = \frac{1.137 \times 10^{-4} moles}{3.333 \times 10^{-10} moles}$

= $0.3411 \times 10^{6}$ per second

= $0.3411 \times 60 \times 10^{6}$ per minute

= $20.466 \times 10^{6}$ per minute

Thus, we can conclude that the turnover number ( $K_{cat}$ ) of carbonic anhydrase (in units of $min^{-1}$ ) is $20.466 \times 10^{6}$ per minute.

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4 years ago

Write the chemical formula for iridium(III) nitride?

lubasha [3.4K]

Answer:

Ir(NO2)3

Explanation:

it's Molar Mass is 330.2335 if you need that too

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3 years ago