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Margaret [11]
3 years ago
9

Which of the following weathering processes involves the constant freezing and thawing of water?

Chemistry
1 answer:
Artemon [7]3 years ago
4 0

Frost wedging

Explanation:

Weathering is the physical disintegration and chemical decomposition of rocks to form sediments and soils.

Some agents of weathering are wind, water, glacier and gravity.

  • In physical weathering, rocks are broken down mechanically into smaller bit.
  • Freezing and thawing allows for the propagation of physical weathering.
  • Water within cracks will expand when they freeze significantly.
  • This will further expand and widen the cracks.
  • When the ice thaws the stress is relieved.
  • When the process continues on and on over the year, a rock will eventually break down.
  • This is common around the temperate and polar regions.

Learn more:

weathering brainly.com/question/876569

#learnwithBrainly

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Please help me!!!!!!!!!!!!!
fenix001 [56]

1)The limiting reactant will be aluminum acetate

2) The mass of aluminum hydroxide formed will be 9.75 grams.

<h3>Stoichiometric problem</h3>

The equation of the reaction is as below:

Al(C_2H_3O_2)_3 + 3NaOH --- > 3C_2H_3NaO_2 + Al(OH)_3

The mole ratio of the 2 reactants is 1:3.

Mole of 100 mL. 1.25 mol/L Al(C_2H_3O_2)_3 = 0.1 x 1.25 = 0.125 mol

Mole of 300 mL, 2.30 mol/L NaOH = 0.3 x 2.3 = 0.69 mol

Thus, aluminum acetate is limited.

Mole ratio of  Al(C_2H_3O_2)_3 and Al(OH)_3 = 1:1

Equivalent mole of Al(OH)_3 = 0.125 mol

Mass of 0.125 mole Al(OH)_3 = 0.125 x 78 = 9.75 grams.

More on stoichiometric calculations can be found here: brainly.com/question/27287858

#SPJ1

4 0
2 years ago
How many valence electrons occupy sigma and pi bond orbitals in anthracene?
Alenkasestr [34]

There is no more than 1 sigma bond between any two atoms. Molecules with rings have supplementary sigma bonds, such as benzene rings, which have 6 C−C sigma bonds within the ring for 6 carbon atoms. The anthracene molecular formula is C14H10, it has three rings so that the rule contributes the number of sigma bonds as 24 added with 3 is 27, which will be subtracted with 1 which will give 26.

5 0
4 years ago
2. How does the way elements are grouped in the periodic table serve as an advantage to scientists?
Goryan [66]
When looking down the groups the elements have an equal number of electrons in the outer shell. This means they react in a similar way making it easier for scientists to use. 
6 0
4 years ago
One liter of ocean water contains 35.06 g of salt. What volume of ocean water would contain 1.00 kg of salt? Express your answer
sweet [91]

Answer:

28.52 L

Explanation:

First, let's calculate the density of the ocean, which is the mass divided by the volume:

d = m/V

d = 35.06/1

d = 35.06 g/L

So, for a mass of 1.00 kg = 1000.00 g

d = m/V

35.06 = 1000.00/V

V = 1000.00/35.06

V = 28.52 L

How all the data are expressed with two significant figures, the volume must also be expressed with two.

7 0
4 years ago
If a substance cannot be broken down chemically into a simpler substance what is it
Vikentia [17]

Answer: An Element

Explanation:

An element is a substance that cannot be split into smaller substance. It is made up of one kind of atom and can exist either as molecules  (e.g nitogen) or an atom (e.g argon).

6 0
4 years ago
Read 2 more answers
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