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inn [45]
3 years ago
12

4. How do minerals become part of the soil?

Chemistry
2 answers:
Gelneren [198K]3 years ago
5 0
I think it is C hope it helps
Goryan [66]3 years ago
4 0

Answer:

Explain how nearly anyone could become a miner under Spanish Mining Code.

Explanation:

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Which methods will help you properly identify pH with indicator paper? Check all that apply. Set a piece of pH paper in front of
monitta

Set a piece of pH paper in front of each solution before testing to keep organized.

Use a transfer pipet to remove a few drops from the solution to drop onto the paper.

Wait a minute or so before reading color.

Is the correct answer...

4 0
3 years ago
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Which statement is true according to the kinetic theory?
Vlad [161]

Answer:

<em>Molecules of different gases with the same mass and temperature always have the same average kinetic energy - E.</em>

5 0
3 years ago
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CO_2 sublimes readily at 25°C. Which properties are usually associated with a compound that undergoes this kind of change?
antoniya [11.8K]

Explanation:

Sublimation is defined as a process in which solid state of a substance directly changes into vapor or gaseous state without undergoing liquid phase.

For example, naphthalene balls show sublimation at room temperature.

As this process does not cause any change in chemical composition of a substance. Hence, it is known as a physical process.

Similarly, when CO_{2} sublimes readily at 25^{o}C. This shows change in physical state of carbon dioxide is taking place, i.e, from solid to gaseous phase.

Thus, we can conclude that when CO_{2} sublimes readily at 25^{o}C then it means physical properties are usually associated with a compound that undergoes this kind of change.

4 0
2 years ago
A student carefully drops a 9.0 g solid Zn pellet initially at 50.0°C into an insulated cup containing 30.0 g of water at 27.8°C
jekas [21]

Answer: choice B

Explanation: Heat flows from high to low. After you convert the Celsius into kelvin the Zn pellet has 323K and the water has 301K which results the transfer of the heat energy of the pallet to the water. ( you don’t have to convert, but it just make it easier) hope this helped you :)

3 0
2 years ago
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Predict which substance in each pair has the higher surface tension.
natta225 [31]

Answer:

(a) Between methanol (CH₃OH) and glycerol (C₃H₅(OH)₃), the substance with the higher surface tension is glycerol (C₃H₅(OH)₃)

(b) Between tetrabromomethane (CBr₄) and chloroform (CHCl₃), the substance with the higher surface tension is chloroform (CHCl₃)

Explanation:

The surface tension of these substances at 20 °C given in mN/m, is as follows:

The surface tension of Methanol is 22.70

The surface tension of Tetrabromomethane is 26.95

The surface tension of Glycerol is 64.00

The surface tension of Chloroform is 27.50

(a) Between methanol (CH₃OH) and glycerol (C₃H₅(OH)₃), the substance with the higher surface tension is glycerol (C₃H₅(OH)₃)

(b) Between tetrabromomethane (CBr₄) and chloroform (CHCl₃), the substance with the higher surface tension is chloroform (CHCl₃)

8 0
3 years ago
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