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Agata [3.3K]
2 years ago
13

Sound waves travel fastest through A) air. B) steel. C) water. D) a vacuum.

Chemistry
2 answers:
Ivenika [448]2 years ago
7 0
B. steel, sound waves travel fastest throught solid materials
soldi70 [24.7K]2 years ago
3 0
The answer is B btw this is so easy hope this helps u
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What cause a mass defect?
Gelneren [198K]

Answer:

The answer is C.

Explanation:

Mass is converted to the energy binding a nucleus together.

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2 years ago
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What are groups 1, 2, and 3 examples of on the periodic table? A. Nonmetals B. Metals C. Noble gases D. Metalloids
tankabanditka [31]

The correct answer is:

Metals

They are all alkali and transition metals

Explanation:

The periodic table includes elements clustered into groups with comparable properties. Alkali metals are reactive, soft metals with low densities. Transition metals are unreactive metals that have many have common uses. Halogens are reactive non-metals that form glowing vapors.



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3 years ago
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Analysis of a compound of sulfur, oxygen and fluorine showed that it is 31.42% S and 31.35% O, with F accounting for the remaind
Leya [2.2K]

Answer:

The molecular formula is  SO2F2

Explanation:

Step 1: Data given

Suppose the mass of compound = 100 grams

The compound contains:

31.42 % S = 31.42 grams S

31.35 % O = 31.35 grams O

100 - 31.42 - 31.35 = 37.23 F

Molar mass of S = 32.065 g/mol

Molar mass F = 19.00 g/mol

Molar mass O = 16.00 g/mol

Step 2: Calculate moles

Moles = mass / molar mass

Moles S = 31.42 grams / 32.065 g/mol

Moles S = 0.9799 moles

Moles 0 = 31.35 grams / 16.00 g/mol

Moles 0 = 1.959 moles

Moles F = 37.23 grams / 19.00 g/mol

Moles F = 1.959 moles

Step 3: Calculate mol ratio

We divide by the smallest amount of moles

S: 0.9799 / 0.9799 = 1

F: 1.959/ 0.9799 = 2

O : 1.959 / 0.9799 = 2

The empirical formula is SO2F2

This formula has a molecular mass of 102.06 g/mol

This means the empirical formula is also the molecular formula : SO2F2

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3 years ago
What are all the ways that you think knowing about the flow of energy might be useful in
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Yes the main benifit can be recyclation of energy

  • The example can be seen in powerbanks or inverters
  • The chemical energy present inside the battery can be used to convert itself into electric energy.
  • Which can help us in climate protection
4 0
2 years ago
Each year, the science club puts on a science show for the students in the elementary school. Luis is planning demonstrations to
Harlamova29_29 [7]

Mallebility, I got it right on the unit test.

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3 years ago
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