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Gemiola [76]
3 years ago
15

What is the difference between mass number and atomic mass???

Chemistry
1 answer:
padilas [110]3 years ago
5 0

Explanation:

atomic number;number of protons in an atom of an element.

mass number ;number of nucleons ( neutrons) in an atom of an element.

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Historically the troubadour was a ____.
eimsori [14]

Composer and performer of Old Occitan lyric poetryduring the High Middle Ages (1100–1350). Since the word troubadour is etymologically masculine, a female troubadour is usually called a trobairitz.


6 0
3 years ago
What volume of water has the same mass as 9.0m3 of ethyl alcohol?
Triss [41]
This question requires the knowledge of density. 

The density of ethyl alcohol = 789 kg m⁻³
The density of water = 1000 kg m⁻³

Density = Mass / Volume 

By applying ethyl alcohol,
    789 kg m⁻³ = Mass / 0.9 m³
         Mass     = 710.1 kg
hence the mass of 0.9 m³ ethyl alcohol is 710.1 kg.

Then by applying water,
     1000 kg m⁻³ = 710.1 kg / Volume
      Volume        = 0.7101 m³
                          = 0.7 m³
hence the equal water volume is 0.7 m³
8 0
3 years ago
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gregori [183]

Answer:

Collection - Evaporation - Condensation - Precipitation

Explanation:

The Water cycle is a series of continuous events that cause rain

7 0
2 years ago
properties of elements within a ________ on the periodic table change in a predictable way from one side of the table to the oth
SpyIntel [72]
Properties change within a Row (or period) as the number of valence electrons in the outer shell increase
4 0
3 years ago
ANSWER PLEASE LIMIT TIME !!!! <br> What do earth and space have alike ?
marishachu [46]

Answer:

Great question, here are a few! (╯°▽°)╯ ┻━┻

Explanation:

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2. radiation (high level of dangerous particles)!

3. gravity (weightlessness in space)

4 0
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