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andrezito [222]
2 years ago
7

Determine the empirical formula for C6H3Br3.

Chemistry
1 answer:
Mazyrski [523]2 years ago
3 0

Answer:

C2HBr

Explanation:

The empirical formula is like the simpliest form so divide all by 3 and get the above formula.

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An acetylene tank has a volume of 390.0 L. It is stored at a temperature of 23.5 °C and has a
xeze [42]

Considering the ideal gas law,  there are 279.42 moles of acetylene in the tank.

<h3>Definition of ideal gas</h3>

Ideal gases are a simplification of real gases that is done to study them more easily. It is considered to be formed by point particles, do not interact with each other and move randomly. It is also considered that the molecules of an ideal gas, in themselves, do not occupy any volume.

<h3>Ideal gas law</h3>

An ideal gas is characterized by three state variables: absolute pressure (P), volume (V), and absolute temperature (T). The relationship between them constitutes the ideal gas law, an equation that relates the three variables if the amount of substance, number of moles n, remains constant and where R is the molar constant of gases:

P×V = n×R×T

<h3>Moles of acetylene</h3>

In this case, you know:

  • P= 1765 kPa= 17.4192 atm (being 101.325 kPa= 1 atm)
  • V= 390 L
  • n= ?
  • R= 0.082 \frac{atmL}{molK}
  • T= 23.5 °C= 296.5 K (being 0 °C= 273 K)

Replacing in the ideal gas law:

17.4192 atm× 390 L = n×0.082 \frac{atmL}{molK}× 296.5 K

Solving:

n=\frac{17.4192 atmx 390 L}{0.082 \frac{atmL}{molK}x296.5 L}

<u><em>n= 279.42 moles</em></u>

Finally, there are 279.42 moles of acetylene in the tank.

Learn more about ideal gas law:

brainly.com/question/4147359

4 0
2 years ago
What happens when a wave hits an object?
andrew11 [14]
C the wave is interfered with
8 0
3 years ago
Why does a group of warmer atoms take up more volume than a group of cooler atoms ?
const2013 [10]
Warmer atoms expand. There is also more movement. This is also explained when putting it into terms with solid vs. gas. in a solid, the atoms vibrate, but they can't move very far because there is not a lot of space between them. In a gas, on the other hand, the atoms are spread apart, and they move very fast. Putting it into context with water, the steam (gas) version is hot, and the ice cube (solid) version is cold.
7 0
3 years ago
Read 2 more answers
HELP PLS I HAVE 5 minutes
pav-90 [236]
It might be the fourth one? Sorry, it’s been a while since I’ve done something like this.
8 0
3 years ago
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Volume of 1 mole of N2 at 30 c and 1.2 ATM
Mariana [72]
We should indicate first and foremost the assumption of ideal gas behavior so that we can use the ideal gas equation written below:

PV = nRT

For this problem,let's solve for V. Rearranging the equation,

V = nRT/P

Substituting the values,

V = (1 mol)(0.0821 L-atm/mol-K)(30 + 273 K)/1.2 atm
<em>V = 20.73 L of N₂ gas</em>
4 0
3 years ago
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