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Marat540 [252]
3 years ago
14

Function of leaves ​

Chemistry
1 answer:
monitta3 years ago
5 0
Their main function of hold water
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How fast is the speed of light?
Tpy6a [65]

The speed of light is 299,792,458 meters per second in vacuum.
It's somewhat slower in any material substance, and different in
each substance.

(That's 186,282.4  miles per second.)


7 0
3 years ago
( Endocytosis / Exocytosis ) is the movement of substances out of a cell by vesicular transport.
tiny-mole [99]

Answer:

Exocytosis

Explanation:

Some molecules are simply too big to move via a transport protein or the plasma membrane. To carry these macromolecules in or out of the cell, cells employ two more active transport pathways. Macromolecules or big particles are transported across the plasma membrane via Vesicles transport or other cytoplasmic structures. They are of two types, Endocytosis and Exocytosis

From the given information, Exocytosis is the right answer.

It is the process of vesicles combining with the plasma membrane thereby releasing their contents to the exterior of the cell. When a cell creates components for export, such as proteins, or when it gets rid of a waste product or a toxin, exocytosis occurs. Exocytosis is the process by which newly generated membrane proteins and membrane lipids are transported on top of the plasma membrane.

4 0
2 years ago
The molecular formula HOH is an example of a(n)
vodka [1.7K]

Molecule

Explanation:

The molecular formula HOH is an example of a molecule.

A molecule is the smallest particle of a substance (element or compound) capable of independent existence.

Molecules can be:

  1. Monoatomic with one atom e.g Neon, Argon
  2. Diatomic with two atoms e.g Nitrogen gas N₂
  3. Polyatomic e.g ozone O₃

The word molecule can also be used to refer to a covalent compound that has discrete or separate units.

The formula HOH or H₂O is a separate covalent that has an independent existence.

Learn more:

Molecules brainly.com/question/6071838

#learnwithBrainly

3 0
2 years ago
Read 2 more answers
For the reactions system 2H2(g) + S2(g) 2H2S(g), a 1.00 liter vessel is found to contain 0.50 moles of H2, 0.020 moles of S2, an
Mnenie [13.5K]

Answer: 1) 2H_2(g)+S_2(g)\rightleftharpoons 2H_2S(g)

Equilibrium constant is defined as the ratio of the product of concentration of products to the product of concentration of reactants each term raised to their stochiometric coefficients.

K_{eq}=\frac{[H_2S]^2}{H_2]^2\times [S_2]}

where [] = concentration in Molarity=\frac{moles}{\text {Volume in L}}

Thus [H_2S]=\frac{68.5}{1.0}=68.5M

[H_2]=\frac{0.50}{1.0}=0.50M

[S_2]=\frac{0.020}{1.0}=0.020M

K_{eq}=\frac{[68.5]^2}{0.50]^2\times [0.020]}=938450

As the value of K is greater than 1, the reaction is product favored.

2) N_2O_4(g)\rightleftharpoons 2NO_2(g)

K_{eq}=\frac{[NO_2]^2}{[N_2O_4]}

K_{eq}=\frac{[0.500]^2}{[0.0250]}=10

3) N_2+3H_2\rightleftharpoons 2NH_3

K_{eq}=\frac{[NH_3]^2}{[N_2]\times [H_2]^3}

4) Reactions which do not continue to completion are called equilibrium reactions as the rate of forward reaction is equal to the rate of backward direction.


3 0
2 years ago
Read 2 more answers
Which stratigraphic principle states the fact that sedimentary rocks are deposited in layers perpendicular to the direction of g
Anvisha [2.4K]

Answer:

omework Help. Steno's laws of stratigraphy describe the patterns in which rock layers are deposited. The four laws are the law of superposition, law of original horizontality, law of cross-cutting relationships, and law of lateral continuity.

Explanation:

5 0
3 years ago
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