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Katyanochek1 [597]
3 years ago
14

Convert the density 1.98 g/mL to the unit kg/m3.

Chemistry
1 answer:
meriva3 years ago
7 0
1.98 g/ml=1980 kg/m3 because 1 kg =1000g, 1m3=1000.000mL
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The following molecular equation represents the reaction that occurs when aqueous solutions of silver nitrate and aluminum chlor
irga5000 [103]

Answer:

3Ag^(+) + 3Cl ^(-) --> 3AgCl (s)

Explanation:

Full ionic equation:

3Ag^(+) + 3NO3^(-) + Al^(+3) + 3Cl^(-)-->

3AgCl (s) + Al^(3+) + 3NO3^(-)

Spectator ions 3NO3^(-) & Al^(+3) can be left out in the net ionic equation.

3 0
3 years ago
7. What is the molar mass of each of the following elements?
Pie

Answer:

The molar mass of:

Helium = 4.00 g/mol

Potassium = 39.0983 g/mol

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Boron = 10.81 g / mol

Explanation:

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7 0
2 years ago
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I neeed help please help
mina [271]

A. Lowering the temperature.

I hope this helped!

7 0
3 years ago
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Why is a high temperature needed to melt potassium iodide?
goldfiish [28.3K]
Potassium Iodide have a lot of strong bonds which requires a very high temperature (high energy) to break them and change into a different state of matter. 
4 0
3 years ago
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Neils Bohr published his model of the atomic structure in 1913. He introduced the theory of electrons traveling in orbits around
Effectus [21]

Answer:

The number of atoms in the outermost shell  

Explanation:

For example, the electron shells in the alkali metals contain the following numbers of electrons:

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They all have one electron in their outermost shell, and they have similar chemical properties.

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3 years ago
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