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ioda
3 years ago
5

Identify the solute in the following: carbon dioxide dissolved in water

Chemistry
1 answer:
olga nikolaevna [1]3 years ago
5 0

Answer:

B

Explanation:

its solute state is gas and dissolve in (solvent) liquid which is water

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Which of the following information can be determined from this isotope: sodium 23 and why?
JulsSmile [24]

<h2>YOUR ANSWER Is number of istopes</h2>

✌️

4 0
3 years ago
In a blast furnace, elemental iron is produced from a mixture of coke (c), iron ore (fe3o4), and other reactants. an important r
jok3333 [9.3K]

Reaction sequence:

2c(s) + o2(g) -> 2co(g)

fe3o4(s) + 4co(g) -> 3fe(l) + 4co2(g)

According to first equation, 2 moles of carbon produce 2 moles of carbon monoxide. So 1 mole of carbon will produce 1 mol of carbon monoxide (the same number).

According to the second equation, 4 moles of carbon monoxide produce 3 moles of iron. We should make the cross multiplication with those numbers:

4 moles CO/3 moles iron = 1 mol CO/x

x = 1 mol CO*3 moles iron/4 moles CO = 0.75 moles of iron

5 0
3 years ago
The sink-float method is often used to identify the type of glass material found at crime scenes by determining its density.
Olegator [25]

Answer:

<em><u>Glass that will sink</u></em>

  • alkali zinc borosilicate with a density of 2.57 g/mL in a solution with a density of 2.46 g/mL

  • potash soda lead with a density of 3.05 g/mL in a solution with a density of 1.65 g/mL

<em><u>Glass that will float</u></em>

  • soda borosilicate with a density of 2.27 g/mL in a solution with a density of 2.62 g/mL

  • alkali strontium with a density of 2.26 g/mL in a solution with a density of 2.34 g/mL

<em><u>Glass that will not sink or float</u></em>

  • potash borosilicate with a density of 2.16 g/mL in a solution with a density of 2.16 g/mL

Explanation:

Density is the property of matter that states the ratio of the amount of matter, its mass, to the space occupied by it, its volume.

So, the mathematical expression for the density is:

  • density = mass / volume

By comparing the density of a material with the density of a liquid, you will be able to determine whether object will float, sink, or do neither when immersed in the liquid.

The greater the density of an object the more it will try to sink in the liquid.

As you must have experienced many times an inflatable ball (whose density is very low) will float in water, but a stone (whose denisty is greater) will sink in water.

The flotation condition may be summarized by:

  • When the density of the object < density of the liquid, the object will float
  • When the density of the object = density of the liquid: the object will neither float nor sink
  • When the density of the object > density of the liquid: the object will sink.

<em><u>Glass that will sink</u></em>

  • alkali zinc borosilicate with a density of 2.57 g/mL in a solution with a density of 2.46 g/mL, because 2.57 > 2.46.

  • potash soda lead with a density of 3.05 g/mL in a solution with a density of 1.65 g/mL, because 3.05 > 1.65.

<u><em>Glass that will float</em></u>

  • soda borosilicate with a density of 2.27 g/mL in a solution with a density of 2.62 g/mL, because 2.27 < 2.62.

  • alkali strontium with a density of 2.26 g/mL in a solution with a density of 2.34 g/mL, because 2.26 < 2.34.

<em><u>Glass that will not sink or float</u></em>

  • potash borosilicate with a density of 2.16 g/mL in a solution with a density of 2.16 g/mL, because 2.16 = 2.16
8 0
4 years ago
(GIVING BRAINLIEST)Match each of the substances below to the the intermolecular force that are present in the substance.
Snezhnost [94]

Answer:

A4

B1

C3

D2

Explanation:

A4: dispersion forces occur in everything as it is variations in the electron cloud.  They are very weak and are the only intermolecular force in a non-polar molecule such as CH4.

B1: Dipole Dipole forces occur between polar molecules.  The polarity of the molecule creates a dipole which can attract each other.  they are stronger then dispersion forces.  CBr2Cl2 is a polar molecule.

C3: hydrogen bonding is a special type of dipole-dipole force and are pretty strong.  They can only occur between H-N, H-O, and H-F bonds. NH3 has N-H bonds.

D2: ion dipole forces occur between a polar molecule and ions.  They mainly occur when charged species (ions) are in a polar solvent but there are likely less common examples.

I hope this helps.  Let me know if anything is unclear.

8 0
3 years ago
A beach ball has a mass of 5 g and a volume of 20 cm3. What is the object's density?
ivann1987 [24]
Mass = 5 g

volume = 20 cm³

density = mass / volume

therefore:

D = m / V

D = 5 / 20

D = 0.25 g/cm³
3 0
4 years ago
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