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earnstyle [38]
3 years ago
7

Which of the following is the largest volume?

Chemistry
2 answers:
jeka943 years ago
5 0

The largest volume is b) 2.3 × 10⁸ cm³.

Convert each measurement to the same units (say, cubic metres).

a) 2.3 × 10¹ m³ = 2.3 × 10¹ m³

b) 2.3 x 10⁸ cm³ × (1 m/100 cm)³ = 2.3 × 10² m³

c) 2.0 x 10⁴ dm³ × (1 m/10 dm)³ = 2.0 × 10¹ m³

d) 2.0 x 10⁸ mm³ × (1 m/1000 mm)³ = 2.0 × 10⁻¹  m³

The volume of 2.3 × 10² m³ is the largest volume.

elixir [45]3 years ago
3 0
I think 2.3×108 cm3
cause we will turn (cm3 -dm3-mm3)to m3 so 2.3×108 cm3 will be the big number
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What is the mass of 5.7 x 1022 atoms Mn?
Svet_ta [14]

The mass of 5.2 x 10^22 manganese atoms in grams would be 635.784 grams.

What is Avogadro's constant?
Avogadro's number tells us how many particles are in one mole (or mol) of a substance. <u>Electrons</u><u>, molecules, or atoms</u> could be among these particles. Avogadro's number has a value of approximately 6.022140857×10²³ mol⁻¹. Avogadro's number tells us how many particles are in one mole (or mol) of a substance. <u>Electrons, molecules, or atoms </u>could be among these particles. Avogadro's number has a value of approximately 6.022140857×10²³.


Computation of mass
Avogadro calculated that every material had 6.022 x 10^23 atoms per mole.

5.2 x 10^22 atoms of Mn would contain how many moles?
= 6.022 x 10^23 /1 x 5.2 x10^22
=11.58 moles

Mn mass equals 11.58 moles multiplied by 54.9
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You may learn more about Avogadro's constant here: brainly.com/question/15989275
#SPJ10

6 0
1 year ago
Fill in the blanks with appropriate options given in below:
jarptica [38.1K]

Answer:

1) -COOH

2) -NH2

3) hydrogen bonds

4) dispersion forces

5) -CH3

6) hydrogen bonds

7) negative

8) negative

9) positive

Explanation:

Alanine has a <u>-COOH</u> and a <u>-NH2</u> group available to form <u>hydrogen bonds</u> with water molecules.

Although there are some potential <u>dispersion forces</u> between the terminal <u>-CH3</u> group of alanine and hexane molecules, we expect the <u>hydrogen bonds</u> between alanine and water to be stronger.

Stronger intermolecular attractive forces between alanine and water lead to a more <u>negative ΔHmix</u> and more <u>negative (smaller positive)</u> ΔHsoln for water than for hexane.

4 0
3 years ago
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