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Setler79 [48]
3 years ago
5

Water molecules are listed from A to B to C in

Chemistry
2 answers:
Sunny_sXe [5.5K]3 years ago
7 0
The answer is b, least to greatest motion.

The higher the temperature a substance is, their particles have more kinetic energy and thus move faster and have a faster motion.

From the pictures, we can see that the state changes from the coldest, ice, to the least cold, water, and to the hottest, steam. Therefore, the hotter the substance it, the water molecules have a greater motion.

So your answer is b.
Katarina [22]3 years ago
7 0

The answer is B, because my son just took the test and he got it right

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How many sugar molecules are in 0.734 mol sugar, C6H12O6? Please explain
Dmitrij [34]
To answer this question, you need to know the Avogadro number. To find the amount of sugar molecule from mol unit you need to multiply it by the Avogadro number.
The calculation should be like this: <span>0.734 mol * 6.02*10^23 molecule/ mol= 4.41 * 10^23 molecule</span>
7 0
3 years ago
What source provides most of the energy consumed in the United States?
umka2103 [35]

Answer:

Fossil fuels

Explanation:

Fossil fuels — natural gas, coal, and petroleum, and — provide most (63 %) of the energy consumed in the United States

The breakdown in 2019 was  

Natural gas 38 %

Coal             24 %

Petroleum      1 %

4 0
3 years ago
Determine the concentration of hydronium and hydroxide ions in a solution that has a pH of 1.6.
Veronika [31]

Answer:

The answer to your question is [H₃O⁺] = 0.025   [OH⁻] = 3.98 x 10⁻¹³

Explanation:

Data

[H⁺] = ?

[OH⁻] = ?

pH = 1.6

Process

Use the pH formula to calculate the [H₃O⁺], then calculate the pOH and with this value, calculate the [OH⁻].

pH formula

pH = -log[H₃O⁺]

-Substitution

1.6 = -log[H₃O⁺]

-Simplification

[H₃O⁺] = antilog (-1,6)

-Result

[H₃O⁺] = 0.025

-Calculate the pOH

pOH = 14 - pH

-Substitution

pOH = 14 - 1.6

-Result

pOH = 12.4

-Calculate the [OH⁻]

12.4 = -log[OH⁻]

-Simplification

[OH⁻] = antilog(-12.4)

-Result

[OH⁻] = 3.98 x 10⁻¹³

5 0
3 years ago
Over 100 existing elements are listed and classified on the
allsm [11]
The answer is the periodic table it holds about 107 elements that are written on it
6 0
3 years ago
Sulphur dioxide is a common pollutant from burning coal.State two effects caused by this pollutant and also write the chemical e
frozen [14]

Heya!

Sulfur dioxide - <em>( SO2 )</em>

<u><em>Answer:</em></u>

  • <em>Sulfur dioxide is a common pollutant caused due to the burning of coal,Is very harmful for the environment and health.</em>

<u><em>Effects:</em></u>

  • Health effects-Sulfur dioxide effects the respiratory system which includes the functioning of lungs,respiratory track and causes infections,can also effect  and irritate the eyes and causes aggravating conditions such as asthma and chronic bronchitis.
  • As most sulfur dioxide air pollution comes from the burning of coal and oil in power plants. It is a emitted by trains, large ships and other diesel objects that burns alota   sulfur fuel so this also effects the environment like plants and others as the air lacks oxygen ,but with more sulfur dioxide.

<em>Hope this helps!</em>

<em>Have a nice day!:)</em>

6 0
3 years ago
Read 2 more answers
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