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shusha [124]
3 years ago
9

Calculate the volume of a cube having sides 3.0 cm in length. [ ? ]ıcm3

Chemistry
1 answer:
11Alexandr11 [23.1K]3 years ago
8 0

Answer: 27

Explanation: multiply 3.0 3 times

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Alex_Xolod [135]
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3 years ago
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36.4 g of SnCl2 is dissolved in 135.7 mL of water.
Yuki888 [10]

Answers:

1st: 189.6 g/mol

2nd: 0.1357 L

3rd: 1.41 M

Explanation:

Finding Molar Mass:

SnCl2 = <u>Tin(II) Chloride</u>

Tin has a molar mass of <u>118.71 g/mol</u>

Chloride has a molar mass of <u>35.453 g/mol</u>

Chloride*2 = <u>70.906</u>

<u>118.71 + 70.906 ≈ 189.6 g/mol</u>

Finding Liters of Solution:

L = mL/1000

135.7 mL / 1000 = <u>0.1357</u>

Finding Molarity:

molarity = <u>moles of solute / liters of solution</u>

M = (36.4g /  189.6g) / 0.1357 L = <u>1.41 M</u>

Hope this helped ;)

6 0
1 year ago
The element germanium is a lustrous, hard, grayish-white solid in the carbon group. It is a semiconductor with an appearance sim
stealth61 [152]
Hello!

Based on these facts, we should classify Germanium as a Metalloid.

Metalloids are chemical elements with a mixture of properties from metals and non-metals. Although Germanium has a metallic appearance (typical of metals), it doesn't have the conductive properties of metals, but is a semiconductor. The semiconductive properties of Germanium are used in applications like transistors and chips.

Have a nice day!
4 0
3 years ago
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A neutralization reaction between an acid and sodium hydroxide formed water and the salt named sodium sulfate. What was the form
myrzilka [38]

Answer: The formula of the acid that was neutralized is H_2SO_4

Explanation:

Neutralization is a chemical reaction in which acid and base combine to form salt and water. Acids donate H^+ and bases donate OH^- in water which combine to form water molecules.

As the salt formed is Na_2SO_4 , the acid must contain SO_4 and thus the acid is H_2SO_4

The balanced chemical reaction is ;

H_2SO_4+2NaOH\rightarrow Na_2SO_4+2H_2O

The formula of the acid that was neutralized is H_2SO_4

3 0
3 years ago
What law states that matter can never be created or destroyed?​
charle [14.2K]

Answer:

C. The law of conservation of matter

Explanation:

APEX

8 0
3 years ago
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