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klasskru [66]
3 years ago
7

Which best describes a radioactive isotope?

Chemistry
1 answer:
sergiy2304 [10]3 years ago
5 0

Answer:

A radioactive isotope, also known as a radioisotope, radionuclide, or radioactive nuclide, is any of several species of the same chemical element with different masses whose nuclei are unstable and dissipate excess energy by spontaneously emitting radiation in the form of alpha, beta, and gamma rays.

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Why don't gas settle at the bottom of the container.<br><br>please explain in detail​
Anestetic [448]

Answer:

Gas doesn't settle becauseof it's properties

Explanation:

Gas is in compressible unless changed to liquid

6 0
3 years ago
Is C6H12O6 organic or inorganic? Explain.
svet-max [94.6K]

Answer:

Organic

Explanation:

Glucose is an organic compound, as its structure contains atoms of carbon, which are the main constituents of organic molecules. Glucose is specifically a monosaccharide that belongs to the group of carbohydrates, one of the four types of organic molecules.

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3 years ago
QUESTION 3. What describes the relationship between a food chain and a food web?
Vitek1552 [10]

Answer: A food chain follows one path of energy and materials between species. A food web is more complex and is a whole system of connected food chains. In a food web, organisms are placed into different trophic levels. Trophic levels include different categories of organisms such as producers, consumers, and decomposers.

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7 0
3 years ago
Read 2 more answers
"The elementary reaction 2 NO2(g) → 2 NO(g) + O2(g) is second order in NO2 and the rate constant at 600 K is 6.77 × 10-1 M-1s-1.
blsea [12.9K]

Answer : The half-life at this temperature is, 3.28 s

Explanation :

To calculate the half-life for second order the expression will be:

t_{1/2}=\frac{1}{k\times [A_o]}

When,

t_{1/2} = half-life = ?

[A_o] = initial concentration = 0.45 M

k = rate constant = 6.77\times 10^{-1}M^{-1}s^{-1}

Now put all the given values in the above formula, we get:

t_{1/2}=\frac{1}{6.77\times 10^{-1}M^{-1}s^{-1}\times 0.45M}

t_{1/2}=3.28s

Therefore, the half-life at this temperature is, 3.28 s

7 0
3 years ago
Which species can conduct an electric current?<br> 1) NaOH<br> 2) NaCl<br> 3) H2O<br> 4) HCl
Stells [14]

Answer:

4) HCI

Explanation:

HCI is a strong acid.

7 0
3 years ago
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