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8_murik_8 [283]
1 year ago
14

Why does radiation decrease over time?

Chemistry
1 answer:
Aleksandr-060686 [28]1 year ago
8 0

Radiation decrease over time due to the concentration of radioactive atoms and the concentration decreases as radioactive particles are emitted (Option D).

<h3>What is radiation?</h3>

Radiation refers to the transmission of energy by means of subatomic particles that travel as waves.

Radioactive isotopes are also known as radioisotopes, which have unstable combinations of subatomic particles (i.e., neutrons or protons) in their atomic nuclei, and thus may emit alpha particles, gamma rays or beta particles.

Radioactive isotopes such as C14 lost (emit) energy per unit of time, which is known as radiation or radioactive decay.

In conclusion, radiation decrease over time due to the concentration of radioactive atoms and the concentration decreases as radioactive particles are emitted (Option D).

Learn more about radioactive isotopes here:

brainly.com/question/18640165

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Dolton’s theory states that atoms are the smallest possible parts of elements. In a chemical reaction, atoms will be
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Answer:

Joined together to form compounds or rearranged.

Explanation:

Dalton's Theories

-atoms from two or more different elements join together to form compounds in chemical reactions.

-chemical reactions rearrange atoms, but in specific compounds the atoms of different elements always combine in the same way.

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Using mathematical expressions drive the compression factor​
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just look it up yourself

Explanation:

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g In the absence of allosteric effectors, the enzyme phosphofructokinase displays Michaelis–Menten kinetics (see Fig. 7.15). The
Furkat [3]

Answer:

The value of the Michaelis–Menten constant is 0.0111 mM.

Explanation:

Michaelis–Menten 's equation:

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

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

Where:

v_o = 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

On substituting all the given values

We have :

\frac{v_o}{V_{max}}=0.90

[S] = 0.10 mM

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

0.90=\frac{0.10 mM}{K_m+0.10 M}

K_m=0.0111 mM

The value of the Michaelis–Menten constant is 0.0111 mM.

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3 years ago
Why can’t we see distinct lines when the metal salts are burned
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Answer: We can't see the distinct lines because they are not visible to the human eyes.

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A balloonist begins a trip in a helium-filled balloon in early morning when the temperature is 15°C. By mid-afternoon, the tempe
german

The relationship between the answers to parts (d) and (e) is given that the system doesn't have constant pressure, ΔH(enthalpy change) and Q(heat transferred) can be stated to be equal to one another.

A thermodynamic system's enthalpy, which is one of its properties, is calculated by adding the system's internal energy to the product of its pressure and volume. It is a state function that is frequently employed in measurements of chemical, biological, and physical systems at constant pressure, which the sizable surrounding environment conveniently provides.

Q (Heat) is referred to as energy in motion. On the other hand, enthalpy (ΔH) represents the system's condition and total heat content. The change in internal energy is equal to the heat transmitted to, less the work done by, the system, according to the law of energy conservation. The enthalpy change(ΔH) is precisely equal to the heat transferred(Q) to the system if the sole work performed is a change in volume at constant pressure.

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5 0
1 year ago
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