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3 years ago

Which of the following is the correct meaning of transpiration?

Chemistry

2 answers:

alexdok [17]3 years ago

6 0

Answer:

The answer of this question is , The evaporation of water through the stomata.

Explanation:

Transpiration is the process by which moisture is carried through plants from roots to small pores on the underside of leaves, where it changes to vapor and is released to the atmosphere. Transpiration is essentially evaporation of water from plant leaves. Transpiration is important because water is needed for photosynthesis and because water cools a plant off.

AlladinOne [14]3 years ago

5 0

contain chlorophyll
absorb light energy
control the size of stomata
split water into hydrogen and oxygen

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3 years ago

In June there are fewer hours of daylight and less direct sunlight in the

Dafna11 [192]

In June there are fewer hours of daylight and less direct sunlight in the Southern Hemisphere.

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3 years ago

How does a chemical reaction obey the law of conservation of matter?

Sunny_sXe [5.5K]

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3 years ago

Carbon dioxide and water react to form methanol and oxygen, like this:

fredd [130]

Answer:

24x10³

Explanation:

2CO₂(g) + 4H₂O(g) → 2CH₃OH(l) + 3O₂ (g)

The equilibrium constant for this reaction is:

Kc = $\frac{[O_2]^3}{[CO_2]^2[H_2O]^4}$

The expression of [CH₃OH] is left out as it is a pure liquid.

Now we convert the given masses of the relevant species into moles, using their respective molar masses:

CO₂ ⇒ 3.28 g ÷ 44 g/mol = 0.0745 mol CO₂

H₂O ⇒ 3.86 g ÷ 18 g/mol = 0.214 mol H₂O

O₂ ⇒ 2.80 g ÷ 32 g/mol = 0.0875 mol O₂

Then we calculate the concentrations:

[CO₂] = 0.0745 mol / 7.5 L = 0.0099 M

[H₂O] = 0.214 mol / 7.5 L = 0.0285 M

[O₂] = 0.0875 mol / 7.5 L = 0.0117 M

Finally we calculate Kc:

Kc = $\frac{0.0117^3}{0.0099^2*0.0285^4}$ = 24x10³

3 0

3 years ago