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bogdanovich [222]
3 years ago
5

I need to know what occupied vs full means for chemistry

Chemistry
1 answer:
Anastaziya [24]3 years ago
7 0
You can get the answer on quizlet or google
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5. In an oxyacetylene welding torch, acetylene (C2H2) burns in pure oxygen with a very hot flame. The reaction is: 2 C2H2 + 5 O2
gulaghasi [49]

11.375 g ethylene is consumed if 35.0 grams of oxygen is allowed to react and 7.875 ml of water will be produced when the 35.0 grams of oxygen is allowed to react.

<h3>What are moles?</h3>

A mole is defined as 6.02214076 ×10^{23} of some chemical unit, be it atoms, molecules, ions, or others. The mole is a convenient unit to use because of the great number of atoms, molecules, or others in any substance.

According to the chemical equation for the combustion of ethylene, 5

moles of oxygen are required to react with 2 moles of ethylene, hence

m_{_C_2_H_2}  = 35gX \frac{1 mol}{(2 \;X\; 16)g } X \frac{2 mol}{(5\;mol )} X \frac{26g}{1 mol }

m_{_C_2_H_2} = 11.375 g

Similarly, 5 moles of oxygen are required as a reactant to produce 2 moles of water, thus

m_{_H_2_O} = 35gX \frac{1 mol}{(2 \;X\; 16)g } X \frac{2 mol}{(5\;mol )} X \frac{18g}{1 mol }

m_{_H_2_O} = 7.875 g

Given that the density of water is 1.0g ml^{-1}, therefore

Density = \frac{Mass \;of \;water}{Volume \;of \;water}

Volume \;of \;water = \frac{7.875}{1.0 g ml^{-1}}

The volume of water = 7.875 ml

Learn more about moles here:

brainly.com/question/8455949

#SPJ1

5 0
2 years ago
Read 2 more answers
What is the number of moles of solute in 250 mL of a .80M solution
Illusion [34]

Answer:

There are 0.1 moles of solute in 250 mL of 0.4 M solution

Explanation:

because it is

8 0
3 years ago
Is taking a glass of water and freezing it by placing in the freezer chemical change?
Burka [1]
Technically, no because you are not changing the chemical make up of water when you freeze it, you are only changing the state. (liquid to solid)
5 0
3 years ago
The photo shows an animal called a water flea. Which level of organization is it an example of?
Citrus2011 [14]

Answer:

A. organism i think

8 0
4 years ago
Read 2 more answers
Which statement best describes the motion of
Veseljchak [2.6K]

The dye molecules  move in a directed way from high to low  concentration

Explanation:

The statement that best describes the motion of dye molecule in water is directed from a region of high to low concentration. The motion of the particles of the dye in water is described as diffusion:

  • diffusion is the movement of molecules of a substance from one position to another.
  • diffusion occurs from a region of high concentration to that of a low concentration.
  • the dye in the water solution causes an increase in concentration of an area where it is dropped.
  • this causes the particles to spread outward in the solution.
  • a concentration gradient is set up between the two parts of the solution.
  • this gradient facilitates the movement of the dye particles.

Learn more:

diffusion brainly.com/question/6873289

#learnwithBrainly

4 0
4 years ago
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