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Firdavs [7]
3 years ago
12

How does the emission spectrum support the idea of quantized energy level

Chemistry
1 answer:
Scrat [10]3 years ago
7 0

Answer:

When those atoms are given energy, the electrons absorb the energy and move to a higher energy level. ... These energy levels of the electrons in atoms are quantized, meaning again that the electron must move from one energy level to another in discrete steps rather than continuously

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4NH3+5O2-4NO+6H2O<br>how many moles of NH3 must react to produce 5.0 moles of NO?​
tresset_1 [31]

Answer: 5.0 moles

Explanation:

From the equation, we see that for every 4 moles of ammonia consumed, 4 moles of nitrogen monoxide are produced (we can reduce this to moles of ammonia consumed = moles of nitrogen monoxide produced).

This means that the answer is <u>5.0 mol</u>

7 0
1 year ago
Atoms of which of the following elements are largest?<br> A:<br> Na<br> OOOO
elena-14-01-66 [18.8K]

Answer:

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5 0
2 years ago
How many miles are in 215 grams of water
Irina18 [472]
You're off to a good start, now find the mass of H2O and put it under I mol,

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3 0
3 years ago
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Vlad1618 [11]

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7 0
3 years ago
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Pani-rosa [81]

Answer : The mass of of water present in the jar is, 298.79 g

Solution : Given,

Mass of barium nitrate = 27 g

The solubility of barium nitrate at 20^oC is 9.02 gram per 100 ml of water.

As, 9.02 gram of barium nitrate present in 100 ml of water

So, 27 gram of barium nitrate present in \frac{27g}{9.02g}\times 100ml=299.33ml of water

The volume of water is 299.33 ml.

As we know that the density of water at 20^oC is 0.9982 g/ml

Now we have to calculate the mass of water.

\text{Mass of water}=\text{Density of water}\times \text{Volume of water}

\text{Mass of water}=(0.9982g/ml)\times (299.33ml)=298.79g

Therefore, the mass of of water present in the jar is, 298.79 g

5 0
2 years ago
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