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Vanyuwa [196]
3 years ago
11

Why is creativity Important and construction scientific methods? I

Chemistry
1 answer:
Lubov Fominskaja [6]3 years ago
4 0

Explanation:

Sometimes it is necessary to put forth new theories to explain experimental results, Explanation:

Creativity is important to science because sometimes, it is necessary to put forth new theories to explain experimental results. Theories are explanation of scientific observations.

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Where the use of energy is concerned (in scientific sense),when is work done?
Schach [20]
<span>Work is done only when the applied force is able to displace any object through certain distance. So, energy is concentrated on certain object that is to be displaced.</span>
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4 years ago
At what substrate concentration would an enzyme with a K_cat of 30.0 s⁻¹ and a Km of 0.0050 M operate at one-quarter of its maxi
Umnica [9.8K]

Answer:

The correct answer is option B.

Explanation:

Michaelis–Menten 's equation:

v=V_{max}\times \frac{[S]}{(K_m+[S])}=k_{cat}[E_o]\times \frac{[S]}{(K_m+[S])}

V_{max}=k_{cat}[E_o]

v = rate of formation of products

[S] = Concatenation of substrate = ?

[K_m] = Michaelis constant

V_{max}= Maximum rate achieved

k_{cat} = Catalytic rate of the system

E_o = initial concentration of enzyme

We have :

v=\frac{V_{max}}{4}

[S] =?

K_m=0.0050 M

v=V_{max}\times \frac{[S]}{(K_m+[S])}

\frac{V_{max}}{4}=V_{max}\times \frac{[S]}{(0.0050 M+[S])}

[S]=\frac{0.005 M}{3}=1.7\times 10^{-3} M

So, the correct answer is option B.

8 0
3 years ago
Compared to visible light, an electromagnetic wave that has a higher wavelength will also have ________.
Rudik [331]

I took the test to find out it's not A or D so it's either B or C.

6 0
3 years ago
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When an oxygen atom forms an ion, it gains two electrons. What is the electrical charge of the oxygen ion?
bekas [8.4K]
D. 2- youre adding two negative charges to a neutral element
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3 years ago
An atom of rubidium (Rb) forms a monatomic ion. Which of the following ions does it
Mamont248 [21]

Answer:

A

Explanation:

Rb^{2+} is most likely to be formed.

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3 years ago
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