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Yakvenalex [24]
3 years ago
9

What are the two main types of luster? A. dense and porous B. coarse and smooth C. metallic and nonmetallic D. striated and non-

striated
Chemistry
2 answers:
svetoff [14.1K]3 years ago
5 0

Answer:

The answer is C. Metallic and Non-metallic.

Explanation:

Luster is a physical property that shows how light acts on the surface of a material and how it is reflected in it. The main types of brightness are:

  • Metallic shine = This type of shine occurs in metals, since they are very opaque and whose surface has a lustrous appearance, that is, it totally reflects light.
  • Non-metallic shine = This type of shine is presented in minerals with a light color, produced by transparent substances, such as the diamond.
Molodets [167]3 years ago
3 0

The answer is metallic and nonmetallic.

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Which factor MOST directly affects the flow of ocean currents?w of ocean currents?
Lynna [10]

B)  differences in temperature

Explanation:

The factor that most directly affects the flow of ocean currents is the differences in ocean temperature from one place to another.

Ocean current is the directional movement of the ocean water in its basin.

The main cause of ocean current is differences in temperature.

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2 years ago
Grady is doing an experiment about the solubility of sugar. He puts 100 milliliters of water in each of three beakers. He leaves
olga nikolaevna [1]

Grady is doing an experiment about the solubility of sugar. He puts 100 milliliters of water in each of three beakers. He leaves the first beaker at room temperature, heats the second beaker to 60°C, and heats the third beaker until the water boils at 100°C. The variable Grady change on  purpose in the experiment is the temperature of water in each beaker .

Variables in the experiment is the any factor that can exist in different types or amount. There are three types of variables: independent variable , dependent variable , controlled variable. The independent variable is the variable you changed in the experiment. dependent variable is that changes because of independent variable. the controlled variable is the constant one.

Thus, Grady is doing an experiment about the solubility of sugar. He puts 100 milliliters of water in each of three beakers. He leaves the first beaker at room temperature, heats the second beaker to 60°C, and heats the third beaker until the water boils at 100°C. The variable Grady change on  purpose in the experiment is the temperature of water in each beaker .

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8 0
1 year ago
How many grams of carbon dioxide are in 35.6 liters of co2
lina2011 [118]
The grams of carbon  dioxide  that are in 35.6 liters  of Co2 is calculates as below
calculate the  number of moles of CO2

At STP  1 mole  = 22.4 L

what  about  35.6 liters

=   1mole x 35.6  liters/ 22.4 liters = 1.589  moles

mass of CO2 =  moles x molar  mass of CO2

= 1.589 mol x 44 g/mol  =  69.92 grams
3 0
2 years ago
What general trend applies to solubility?
Marysya12 [62]

Answer:

Basically, solubility increases with temperature. It is the case for most of the solvents. The situation is though different for gases. With increase of the temperature they became less soluble in each other and in water, but more soluble in organic solvents.

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andreev551 [17]

Answer:

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Explanation:

6 0
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