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DochEvi [55]
3 years ago
10

Discuss the relationship between amount of energy and the color of light produced by excited electrons

Chemistry
1 answer:
djverab [1.8K]3 years ago
5 0

If you go to this site you should find your answer. http://www.brooklyn.cuny.edu/bc/ahp/LAD/C3/C3_elecEnergy.html


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kaheart [24]
For every meter, the equivalent measurements is 1000 millimeters. Hence in the problem where the number of millimeters is given, we divide the number by 1000 to get the number of meters. The answer here is 0.01123 m.
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Here it was the picture to that
inessss [21]

Answer:

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3 years ago
Calculate the molality of a solution formed by adding 6.30 g NH4CL to 15.7 g of water
babymother [125]

Answer:

Molality = 7.5 mol/kg

Explanation:

Given data:

Mass of NH₄Cl = 6.30 g

Mass of water = 15.7 g (15.7/1000 =0.016 kg)

Molality = ?

Solution:

Formula of molality:

Molality = Moles of solute / mass of solvent in gram

Now we will first calculate the number of moles of solute( NH₄Cl )

Number of moles = mass/ molar mass

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Number of moles =  0.12 mol

Now we will calculate the molality.

Molality = Moles of solute / mass of solvent in gram

Molality =  0.12 mol / 0.016 kg

Molality = 7.5 m

or        (m=mol/kg)

Molality = 7.5 mol/kg

6 0
3 years ago
My test is tomorrow and I'm confused about how to solve these. pls halp
Stels [109]

Answer:

Explanation:

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5 0
2 years ago
15g divided by 15ML plllssss what is it!! Need to know
natulia [17]

Answer:

The answer should be 1000 kg / m3

8 0
2 years ago
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