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Anna [14]
4 years ago
5

Compare the pressures given by (a) the van der Waal’s equation, (b) the Redlich-Kwong equation, and (c) the Peng-Robinson equati

on for propane at 400 K and rho = 10.62 mol L-1. The experimental value is 395 atm. Take α = 9.6938 × 105 L^2 Pa mol^-2 and β = 56.32 cm^3mol^-1 for the Peng-Robinson equation.
Chemistry
1 answer:
Lesechka [4]4 years ago
8 0

Answer:

A

Explanation:

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How many gallons of concentrated sulfuric acid (density of 1.84 g/cm3) are required to have a mass of 184.33 pounds?
KengaRu [80]

After series of conversion from one unit to another, the number of gallons was found to be 12 litres

<h3>Density, Mass and Volume</h3>

Given Data

  • Density of Sulfuric acid = 1.84 g/cm3
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Conversion from pounds to Gram

1 kg ---------2.204 lb

x kg ---------184.33 lb

x = 184.33/2.204

x = 83.634 kg

hence the mass in gram = 83.634*1000

mass in gram = 83634 g

Now let us find the volume

We know that density = mass/volume

volume = mass/density

volume = 83634/1.84

volume = 45453.26 cm^3

Convert cm^3 to litres

Volume in litres = 45453.26 /1000

Volume in litres = 45.45 Litres

Convert from Litres to Gallons

1 gallon = 3.79 L

x gallons =  45.45 L

x =  45.45/3.79

x gallons = 11.99 L


Approx = 12 Litres

Learn more about density here:

brainly.com/question/1354972

7 0
3 years ago
2Na(s) + 2H,O(l) — 2NaOH(?) + H, (g)<br> 0 what is the missing symbol
Klio2033 [76]

Answer:

the symbol that is missing might be 2.

Explanation:

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3 0
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What are things that are made of matter
IgorLugansk [536]

Answer:Matter makes up everything you can see, including clothes, water, food, plants, and animals. It even makes up some things you cannot see, such as air or the smell of perfume. You can describe a type of matter by its MATERIAL PROPERTIES such as its colour or how hard it is.

Explanation:

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2.5 million atoms of a particular element have a mass of 8.33 x 10-16 grams. what is this element
jeyben [28]
Find the mass of one atom by:

8.33 x 10^{-16} / 2.5 x 10^{6}  = 3.32 x 10^{-22} g

Convert it into amu.
1 g = 6.022 x 10^{23} amu
so, 3.32 x 10^{-22}  x  6.022 x 10^{23}  =  200.6 amu

Now look at the periodic table and search for 200.6 amu element.
The element is Mercury (Hg)

5 0
3 years ago
Which statement about electric and magnetic fields is true.
aksik [14]
The correct answer is 2. Magnetic fields must start at the north pole of a magnet and end at the south pole of a magnet. I took the test. Hope I helped!
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