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Marina CMI [18]
2 years ago
14

What do the little numbers (subscripts) next to the lower right of each letter mean in the C₂H₄O₂?

Chemistry
1 answer:
nata0808 [166]2 years ago
3 0

Answer:

It represents the <em>number of atoms</em> of that particular element present in the compound. In C₂H₄O₂ there are 2 Carbon atoms, 4 Hydrogen atoms and 2 Oxygen atoms.

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Suppose hydrochloric acid reacts with potassium sulfite yielding water, sulfur dioxide, and potassium chloride. Suppose 4 moles
anzhelika [568]

Answer:

128 grams of sulfur dioxide are produced.

Explanation:

2HCl+K_2SO_3\rightarrow SO_2+2KCl+H_2O

Moles of HCl = 4 moles

According to reaction, 2 moles of HCl gives 1 mole of sulfur dioxide gas.

Then 4 moles of HCl will give:

\frac{1}{2}\times 4 moles=2 moles of sulfur dioxide gas.

Mass of sulfur dioxide gas = 2 mol × 64 g/mol = 128 g

128 grams of sulfur dioxide are produced.

4 0
3 years ago
Which equation is balanced?
nadya68 [22]
C “2Al + 3F2=2AlF3”
7 0
3 years ago
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what are some negative impacts on the environment and society when the water cycle is disrupted and drought occurs ?
Alborosie

Some of the negative impact of disruption in water cycle are adverse environment, with affected farming, hydroelectricity, and deforestation.

The water cycle has been operated in the environment for the conversion of water in the different states. The water cycle has been operated with the conversion of water from the water body to the clouds by evaporation.

The evaporated water has resulted in clouds, that have been condensed and precipitated in the form of rain. The water cycle helps in maintaining the water balance in the ecosystem. It made the water available for use as well.

The drought has been the condition of the scarcity of water. In this condition, there has been a disruption of the water cycle. Some of the negative impacts resulting from the disruption of the water cycle are:

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For more information about water cycle, refer to the link:

brainly.com/question/1151425

5 0
3 years ago
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Which is the following statement that describe an organism that produce offspring
Natalka [10]
Im not sure what the answer is unless you put the options up for the multiple choice
8 0
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9) What is the density of the gold rock with a mass of 386 grams and has a volume of 20 cubic centimeters?
miss Akunina [59]

Answer:

density= mass/volume

hence density of gold rock

= 386/20

=19.3 g/cc

3 0
3 years ago
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