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Airida [17]
3 years ago
12

Using the line spectra below and information from the previous activity, determine which subatomic particles play the biggest ro

le in determining the color of an atom
Sample 1 (Li-1-10):


Sample 2 (C-13):


Sample 3 (C+2-18):


Sample 4 (C-1-13):


Sample 5 (Ne-2-18):


Sample 6 (Ne+3-17):



Answer to activity question:



Justification:

Chemistry
1 answer:
bixtya [17]3 years ago
5 0

Answer:

1(li_2_10)

li_1-10.

1_10:9

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Potassium nitrate has a lattice energy of -163.8 kcal/mol and a heat of hydration of -155.5 kcal/mol.
Brut [27]

Answer:

<em>293.99 g </em>

OR

<em>0.293 Kg</em>

Explanation:

Given data:

Lattice energy of Potassium nitrate (KNO3) = -163.8 kcal/mol

Heat of hydration of KNO3 = -155.5 kcal/mol

Heat to absorb by KNO3 = 101kJ

To find:

Mass of KNO3 to dissolve in water = ?

Solution:

Heat of solution = Hydration energy - Lattice energy

                           = -155.5 -(-163.8)

                           = 8.3 kcal/mol

We already know,

1 kcal/mol = 4.184 kJ/mole

Therefore,

= 4.184 kJ/mol x 8.3 kcal/mol

= 34.73 kJ/mol

Now, 34.73 kJ of heat is absorbed when 1 mole of KNO3 is dissolved in water.

For 101 kJ of heat would be

= 101/34.73

= 2.908 moles of KNO3

Molar mass of KNO3 = 101.1 g/mole

Mass of KNO3 = Molar mass x moles

                         = 101.1 g/mole  x  2.908

                         = 293.99 g

                         = 0.293 kg

<em><u>293.99 g potassium nitrate has to dissolve in water to absorb 101 kJ of heat. </u></em>     

4 0
4 years ago
Which of the following reactions would you find in a radioisotope thermal generator?
Mars2501 [29]
The 3rd option


because i’m always right:)
6 0
2 years ago
How many cm are in 3.1 mi
grandymaker [24]
It would be 498896.64 cm
5 0
3 years ago
Read 2 more answers
What type of reactive intermediate is formed in the reaction of an alkene with aqueous acid to give an alcohol?
Mariana [72]

Answer:

The intermediate is carbocation.

Explanation:

The reaction of alkene with an acid to give alcohol is an electrophilic addition reaction.

In electrophilic reaction, the alkene is being attacked by an alkene.

in case of aqueous acid reaction with alkene , the electrophile is [H⁺].

When the proton attacks the alkene it generates carbocation.

The carbocation generated is formed based on stability of carbocation.

The mechanism is shown in the figure.

5 0
4 years ago
How much liquid does this graduated cylinder contain?
nikklg [1K]

Answer:

I think 44 mL

Explanation:

I hope this helps u :D

8 0
3 years ago
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