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vagabundo [1.1K]
2 years ago
9

Some molecules in air contain . Explain how atoms from the air can become part of human cells

Chemistry
1 answer:
Tcecarenko [31]2 years ago
5 0

The atoms in air are combined with oxygen present in the air and when we inhale the air, oxygen is moved into the body then atoms in oxygen are carried by red blood cells the blood is pumped to the lungs and when oxygen is transported to the body organ, the atoms in lungs become the part of human cells.

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When two or more substances combine, but each keeps its own properties, what is the new combination called A) Element B) Mixture
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Hi.
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3. Gasoline, coal, batteries, and logs all have chemical energy. When they burn that chemical energy will be transformed into en
Arturiano [62]

Answer:

Thermal energy

Explanation:

When gasoline, coal, batteries and logs are all burn they transform chemical energy to thermal energy.

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3 years ago
What is the cell membrane?
tankabanditka [31]

the semipermeable membrane surrounding the cytoplasm of a cell.

6 0
3 years ago
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What piece of lab equipment would you use to conduct a small chemical experiment?
Scrat [10]

test tube

Explanation:

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6 0
3 years ago
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The rate constant for this second‑order reaction is 0.380 M − 1 ⋅ s − 1 0.380 M−1⋅s−1 at 300 ∘ C. 300 ∘C. A ⟶ products A⟶product
Sati [7]

Answer: 8.38 seconds

Explanation:

Integrated rate law for second order kinetics is given by:

\frac{1}{a}=kt+\frac{1}{a_0}

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k = rate constant =0.380M^{-1}s^{-1}

\frac{1}{0.860}=0.380\times t+\frac{1}{0.230 }

t=8.38s

Thus it will take 8.38 seconds for the concentration of  A to decrease from 0.860 M to 0.230 M .

5 0
3 years ago
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