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ivanzaharov [21]
1 year ago
11

A dictionary definition of homogeneous is "uniform in composition throughout." River water is a mixture of dissolved compounds,

such as calcium bicarbonate, and suspended soil particles. Is river water homogeneous? Explain.
Chemistry
1 answer:
fomenos1 year ago
3 0

No, river water is not a homogeneous mixture instead it is a heterogeneous mixture. Usually, river water consists of many different particles like sand, rock, and many more which are not visible to the bare eyes.

<h3>What are mixtures?</h3>

When two or more elements or compounds mix without undergoing a chemical reaction, mixtures are created. The ingredients may not have to combine in a certain ratio to form a mixture.

Generally, there are two types of mixture:

  • Homogeneous mixture - These are the kinds of mixtures where the constituents are evenly dispersed throughout the mixture.
  • Heterogeneous mixture - This kind of mixture has all of its components thoroughly mixed, and all of its particles are visible with a microscope. The components are simple to recognize, and more than one phase is visible with the bare eyes.

River water is not a homogeneous mixture instead it is heterogeneous as it contains many different particles that are not visible to the bare eyes. It comprises sand, different types of rocks, and other substances that are not miscible with river water.

Unlike seawater, river water does not retain any of the properties of the substances it contains.

Hence, as there are a lot of other particles present in the river water, it is a heterogeneous mixture

Learn more about heterogeneous mixture:

brainly.com/question/1869437

#SPJ4

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How do you describe the relationship between mass and volume?
neonofarm [45]

Answer:

Mass is the amount of matter an object contains, while volume is how much space it takes up

LOVE, AZZY

6 0
4 years ago
2. How much force will this car experience if it collides with a wall and the collision lasts for
Pepsi [2]

The momentum of the body is 12 m/s.

<h3>What is momentum?</h3>

Momentum is the product of the mass of a body and velocity. According to Newton's second law, the rate  of change of momentum is equal to the impressed force.

The details required to answer the first two questions are missing hence we can't answer those questions. For the last question;

p = mv

m = mass

v = velocity

p = momentum

v = p/m

v =  72,000 kgm/s/6,000 kg

v = 12 m/s

Learn more about momentum: brainly.com/question/904448

6 0
2 years ago
Dr. Patel and her team have been using GPS to track two plates that are moving toward each
Andru [333]

C: One plate is going underneath the other plate and sinking into the soft rock below.

Explanation:

Where plates are moving towards each other they are said to converging, and are called convergent margins.

The lithosphere is broken into series of slabs called plates. The plates moves on the weak and relatively soft asthenosphere below.

Plates have different motion. At some places, they move apart and they are said to be divergent.

When plates moves towards each other, they are convergent. At a convergent margin, a plate collides with another thereby causing the denser plate usually the oceanic plate to subduct into the asthenosphere. In some other cases, the plates can collide and build upward.

Learn more:

Lithosphere brainly.com/question/9582362

#learnwithBrainly

7 0
3 years ago
g Wine goes bad soon after opening because the ethanol in it reacts with oxygen gas from the air to form water and acetic acid ,
Trava [24]

Answer:

496 g

Explanation:

Let's consider the reaction between ethanol and oxygen to form acetic acid and water.

CH₃CH₂OH + O₂ → CH₃COOH + H₂O

The molar ratio of CH₃CH₂OH to CH₃COOH is 1:1. The moles of acetic acid produced by the reaction of 8.26 moles of ethanol are:

8.26 mol CH₃CH₂OH × (1 mol CH₃COOH/1 mol CH₃CH₂OH) = 8.26 mol CH₃COOH

The molar mass of acetic acid is 60.05 g/mol. The mass corresponding to 8.26 moles is:

8.26 mol × 60.05 g/mol = 496 g

3 0
4 years ago
RIGHT NOW PLEASE <br><br> Polar vs nonpolar molecules definitions.
Sedbober [7]

Answer: Polar molecules occur when there is an electronegativity difference between the bonded atoms. Nonpolar molecules occur when electrons are shared equal between atoms of a diatomic molecule or when polar bonds in a larger molecule cancel each other out.

Explanation:

8 0
3 years ago
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