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Mama L [17]
3 years ago
15

Will you Please answer 20!

Chemistry
2 answers:
Fittoniya [83]3 years ago
8 0
Yes because plants are a source of food for some animals
gizmo_the_mogwai [7]3 years ago
5 0

Answer:

yes because the plants is what we need to live they provide us with many things.

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Can just one measurement be considered precise? Can just one measurement be considered accurate?
DanielleElmas [232]
Precise and Accurate mean the same thing. I would consider measuring more than once to get a precise or accurate measurement.
4 0
3 years ago
HELP PLEASE PLEAES PLAESE
mamaluj [8]

Explanation:

Filter the sand and sea salt from water.

Add water and wait for sea salt to dissolve.

Filter sand from salt water.

Heat and evapourate salt water for salt.

7 0
3 years ago
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At 27.8 °C, a gas occupies 1500 mL. What volume will it have at 100.0 °C?
igor_vitrenko [27]

Answer:

V₂  = 1866.32 mL

Explanation:

Given data:

Initial temperature = 27.8°C (27 + 273.15 K = 300.15 k)

Initial volume = 1500 mL

Final volume = ?

Final temperature = 100.0°C (100.0 + 273.15 K = 373.15 K)

Solution:

The given problem will be solve through the Charles Law.

According to this law, The volume of given amount of a gas is directly proportional to its temperature at constant number of moles and pressure.

Mathematical expression:

V₁/T₁ = V₂/T₂

V₁ = Initial volume

T₁ = Initial temperature

V₂ = Final volume  

T₂ = Final temperature

Now we will put the values in formula.

1500 mL / 300.15 k = V₂ / 373.15 K

V₂  = 1500 mL× 373.15 K/ 300.15 k

V₂  = 560175 mL. K /300.15 k

V₂  = 1866.32 mL

4 0
2 years ago
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Match the cofactors below with their roles in the pyruvate dehydrogenase complex reaction.
tiny-mole [99]

Cofactors:
A. Coenzyme A (CoA-SH)
B. NAD+
C. Thiamine pyrophosphate (TPP)
D. FAD
E. Lipoic acid in oxidized form

Roles:
E... Attacks and attaches to the central carbon in pyruvate.
A...Oxidizes FADH2.
C...Accepts the acetyl group from reduced lipoic acid.
D... Oxidizes the reduced form of lipoic acid.
B... Initial electron acceptor in oxidation of pyruvate.
8 0
3 years ago
In its aqueous solution, 99.9% of a substance dissociates to release hydronium ions. Which of the following is true for the subs
olga2289 [7]
The answer is C. It’s a strong acid
3 0
2 years ago
Read 2 more answers
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