When humans plant more trees, carbon can begin entering the ________

Chemistry

1 answer:

HACTEHA [7]3 years ago

6 0

It starts entering the atmosphere

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5. A football field is about 100 meters long. If it takes a person 20 seconds to run its length, how fast (what speed) were they

EleoNora [17]

Answer:

Speed, v = 5 m/s

Explanation:

The length of the football field, l = 100 m

the person takes 20 seconds to run its length

20 s

100 m

v=5 m/s

7 0

3 years ago

Please help with this

dlinn [17]

Answer:

A sample of a gas (5.0 mol) at 1.0 atm is expanded at constant temperature from 10 L to 15 L. The final pressure is 0.67 atm.

Step by Step Explanation?

Boyle's law states that in constant temperature the variation volume of gas is inversely proportional to the applied pressure.

The formula is,

P₁ x V₁ = P₂ × V₂

Where,

P₁ is initial pressure = 1 atm

P2 is final pressure = ? (Not Known)

V₁ is initial volume = 10 L

V₂ is final volume = 15 L

Now put the values in the formula,

\begin{gathered}\rm 1\times 10 = P_2\times 15\\\\\rm P_2 = \frac{10}{15\\} \\\\\rm P_2 = 0.67\end{gathered]

Therefore, the answer is 0.67 atm.

5 0

2 years ago

Read 2 more answers

How many hydrogen atoms are in a cycloalkane with 8 carbon atoms?

frosja888 [35]

Cycloalkanes are those saturated organic compounds which exist in the form of Rings. Their Hydrogen Deficiency Index in one. The General formula for cycloalkanes is,
CnH2n
When number of Carbons = 8
Then
C₈H₂₍₈₎

C₈H₁₆

Result:
Cycloalkane containing 8 carbon atoms has 16 hydrogen atoms.