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dangina [55]
3 years ago
9

All of the following are agents of mechanical weathering EXCEPT ___________. wind temperature water gravity

Chemistry
2 answers:
quester [9]3 years ago
4 0

Answer:

The correct option here is d

Explanation:

Weathering can simply be defined as the breakdown or decomposition of rocks. There are two types of weathering namely

  • Mechanical weathering
  • Chemical weathering

Mechanical weathering is the gradual breakdown of rocks into simpler pieces by physical agents such as water, wind, temperature and biological activities. Gravity does not affect weathering (both mechanical or chemical) because it is a force (constant) on earth that is not directly involved in any form of wear and tear.

Iteru [2.4K]3 years ago
3 0
Gravity: that's a force.
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<h3>What is a chemical reaction?</h3>

A chemical reaction involves an interaction between two or more species to yield a product.

The following is the classification of the reactions based on type;

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How will you describe the pathway of oxygen in the breathing system?
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Indique cuáles son las unidades de la molaridad * <br> eq-g/m³ <br> eq-g/L <br> mol/cm³ <br> mol/L
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3 0
3 years ago
Which statement below correctly describes the relationship between Q and K for both reactions? Are these reactions spontaneous a
nikklg [1K]

Answer:

Q < K for both reactions. Both are spontaneous at those concentrations of substrate and product.

Explanation:

Hello,

In this case, the undergoing chemical reactions with their proper Gibbs free energy of reaction are:

A->B;\Delta _rG^o=-13 kJ/mol

C ->D ;\Delta _rG^o=3.5 kJ/mol

The cellular concentrations are as follows: [A] = 0.050 mM, [B] = 4.0 mM, [C] = 0.060 mM and [D] = 0.010 mM.

For each case, the reaction quotient is:

Q_1=\frac{4.0mM}{0.050mM}=80\\ Q_2=\frac{0.010mM}{0.060mM}=0.167

A typical temperature at a cell is about 30°C, in such a way, the equilibrium constants are:

K_1=exp(-\frac{-13000J/mol}{8.314J/mol*K*303.15K} )=173.8\\K_2=exp(-\frac{3500J/mol}{8.314J/mol*K*303.15K} )=0.249

Therefore, Q < K for both reactions. Both are spontaneous at those concentrations of substrate and product.

Best regards.

6 0
3 years ago
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