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MaRussiya [10]
2 years ago
11

If 5.55 moles of gas have a volume of 12.2 L, what is the new volume when the moles of

Chemistry
1 answer:
KatRina [158]2 years ago
8 0

Answer:

12.61 + 5.55) \div 12.2 =

Explanation:

it's too easy

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Which of the following represents the least number of molecues?
Mars2501 [29]

Answer:

Answer: a) 20g of H2O (18.02 g/mol) molecules=6.68x10^23

Explanation:

In order to find the amount of molecules of each of the options, we need to follow the following equation.

molecules=\frac{mass(g)x6.022x10^{23}(molecules/mol) }{atomic weight(g/mol)}

So, let´s get the number of molecules for each of the options.

a) molecules=\frac{20(g)x6.022x10^{23}(molecules/mol) }{18.02(g/mol)}=6.68x10^{23}molecules

b) molecules=\frac{77(g)x6.022x10^{23}(molecules/mol) }{16.06(g/mol)}=2.89x10^{24}molecules

c) molecules=\frac{68(g)x6.022x10^{23}(molecules/mol) }{42.09(g/mol)}=9.73x10^{23}molecules

d) molecules=\frac{100(g)x6.022x10^{23}(molecules/mol) }{44.02(g/mol)}=1.37x10^{24}molecules

d) molecules=\frac{84(g)x6.022x10^{23}(molecules/mol) }{20.01(g/mol)}=2.53x10^{24}molecules

the smalest number is in option a)

Best of luck.

7 0
3 years ago
Which would result in radioactive decay? Check all that apply
Gekata [30.6K]

6+2=115 and its good it took test



4 0
3 years ago
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Which of the following features is common to both acids and bases? A. ability to burn skin B. similar taste C. pH measurements g
Lynna [10]
<h3>Answer:</h3>

            Correct Option-A (Ability to burn skin)

<h3>Explanation:</h3>

                    When skin tissues are exposed to Acids or Bases a chemical burn occurs as both of these substances are corrosive in nature. These burns occur without providing any heat, results from a very fast reaction, are extremely painful and causes damage to structures present under skin.

                    Option-B is incorrect because Acids taste sour, while, Bases taste bitter.

                    Option-C is incorrect because pH of Acids is less than 7 while, pH of Bases is greater than 7.

3 0
3 years ago
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How does the process of cellular respiration create energy?
Pavlova-9 [17]

Answer:

well, through the process of cellular respiration, the energy in food is converted into energy that can be used by the body's cells. During cellular respiration, glucose and oxygen are converted into carbon dioxide and water, and the energy is transferred to ATP

7 0
3 years ago
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Ethanol, 1-octanol, methanol and 3-methyl-1-butanol contain what functional group characteristics of all alchohols
Amiraneli [1.4K]

Answer:

The hydroxyl group  

Explanation:

The molecular formulas of the above alcohols are

CH₃CH₂-OH

CH₃CH₂CH₂CH₂CH₂CH₂CH₂CH₂-OH

CH₃-OH

CH₃CH(CH₃)CH₂CH₂-OH

The functional group that is characteristic of all alcohols is the hydroxyl group (-OH).

6 0
3 years ago
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