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Nutka1998 [239]
3 years ago
7

Please help me with this. Thanks

Chemistry
1 answer:
ozzi3 years ago
5 0

The third one because

Most minerals can be characterized and classified by their unique physical properties: hardness, luster, color, streak, specific gravity, cleavage, fracture, and tenacity.

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A 20 L cylinder of gas at 5.6 atm pressure at 35 degrees Celsius is heated to 95 degree Celsius and compared to 23 atm. What is
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Answer:

5.8 L  

Step-by-step explanation:

This looks like a case where we can use the <em>Combined Gas Law</em> to calculate the temperature.

p₁V₁/T₁ = p₂V₂/T₂               Multiply both sides by T₂

p₁V₁T₂/T₁ = p₂V₂                Divide each side by V₂

V₂ = V₁ × p₁/p₂ × T₂/T₁  

=====

<em>Data</em>:

p₁ = 5.6 atm

V₁ = 20 L

T₁ = 35 °C = 308.15 K

p₂ = 23 atm

V₂ = ?

T₂ = 95 °C = 368.15 K

=====

<em>Calculation: </em>

V₂ = 20 × 5.6/23 × 368.15/308.15  

V₂ = 20 × 0.243 × 1.19  

V₂ = 5.8 L  

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3 years ago
aluminum has a density of 2.70 g/ml. calculate the mass (in grams) of a piece of aluminum having a volume of 250 ml .
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Per ml, aluminum has 2.7 grams of mass. So in 250 ml, there are (2.7)*(250) number of grams.

675 grams. 
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4 years ago
Help for extra points &amp; brainlest !
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Answer: i think is true

Explanation:

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Calculate: Describe the RGB value and color you would obtain with each combination described below. Use the Gizmo to check your
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In the RGB color model, each color is represented by a numerical code that is written in parentheses and separated by commas.

<h3>What is the RGB model?</h3>

RGB is a color model with which it is possible to represent a color by mixing by adding the three primary colors of light.

A special feature of this model is that it is not a reference point for defining the color red, green, or blue because the same RGB values can display noticeably different colors on different devices.

To form a color, it must be taken into account that in the RGB model the incidence of each color (red, green or blue) is measured on a scale that goes from 0 to 255.

These values are represented in parentheses, separated by commas as shown in the image below:

Learn more about RGB in: brainly.com/question/19262252

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2 years ago
For every action there is an equal and opposite reaction is known as? *
wolverine [178]

Answer:

Newton's third law

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