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3 years ago

Sediment is a rock material that forms where rocks and broken down into smaller pieces or ____ in water as rocks erode.

Chemistry

1 answer:

klio [65]3 years ago

3 0

Answer:

Dissolves

Explanation:

Sediment is a rock material that forms where rocks are broken down into smaller pieces or dissolved in water as rocks erode.

They are products of rock weathering.

Weathering can be defined as the physical disintegration and chemical decomposition of rocks to form sediments and soil.
The first part of the statement describes physical disintegration of rocks where they get broken down into smaller chunks.
The other part simply denotes chemical weathering of rocks which lead to solution of some minerals in the rock.
Both forms are two ways by which rock weathering takes place.

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What is the change in internal energy (ΔΕ) of a system when 5 kJ of work is done on the system while it releases 13 kJ of energy

meriva

The change in internal energy (ΔΕ) of a system : -8 kJ

<h3>Further explanation </h3>

The laws of thermodynamics 1 state that: energy can be changed but cannot be destroyed or created

The equation is:

$\tt \Delta U=Q+W$

Energy owned by the system is expressed as internal energy (U)

This internal energy can change if it absorbs heat Q (U> 0), or releases heat (U <0). Or the internal energy can change if the system does work or accepts work (W)

The sign rules for heat and work are set as follows:

• The system receives heat, Q +

• The system releases heat, Q -

• The system does work, W -

• the system accepts work, W +

5 kJ of work is done on the system : W = +5 kJ

releases 13 kJ of energy to the surroundings : Q = -13 kJ

$\tt \Delta E=-13+5=-8~kJ$

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3 years ago

Which volcanoes are in the middle of a continent

Alina [70]

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3 years ago

Suppose you are working with a NaOH stock solution but you need a solution with a lower concentration for your experiment. Calcu

Svet_ta [14]

Answer:

$V_1=23.3~mL$

Explanation:

In this case, we have a dilution problem. We have to remember that in the dilution procedure we go from a solution with higher concentration to a solution with lesser concentration. Therefore we have to start with the dilution equation:

$C_1*V_1=C_2*V_2$

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If we plug all the values into the equation:

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$V_1=\frac{0.1374_M*250.0~mL}{1.475_M}$

$V_1=23.3~mL$

I hope it helps!

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3 years ago

What happens on a molecular level when a diatomic molecule is a gas but is then cooled to a solid?

irina1246 [14]

Answer:

As an example of the processes depicted in this figure, consider a sample of water. When gaseous water is cooled sufficiently, the attractions between H2O molecules will be capable of holding them together when they come into contact with each other; the gas condenses, forming liquid H2O. For example, liquid water forms on the outside of a cold glass as the water vapor in the air is cooled by the cold glass.

Explanation:

Hopefully that helps!

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3 years ago

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stiv31 [10]

We have to complete all the given reactions.

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3 years ago