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grandymaker [24]
3 years ago
10

Explain the connection between energy quanta and energy levels.

Chemistry
1 answer:
GaryK [48]3 years ago
7 0
A quantum (plural, quanta<span>) is the minimum amount of </span>energy<span> that can be absorbed or released by matter. It is a discrete, or distinct, amount of </span>energy<span>. ... Thus, they can occupy only fixed </span>energy levels<span> around the nucleus that correspond to quantum increases in </span>energy<span>.</span>
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When this happens the inward force of gravity is exactly balanced with the outward force created by _______ and _____________.
4vir4ik [10]
Sw ocjhohz hug tú the funny ohhzubutgrrfuY
8 0
3 years ago
Three samples of gas each exert a pressure of 740 mmHg. What is the total pressure? a. 247 mmHg b. 740 mmHg c. 1480 mmHg d. 2220
WARRIOR [948]

Answer:

Option D 2220mmHg

Because there are three samples each with pressure as 740mmHg so in order to find the total pressure we multiply it by 3

Explanation:

I hope this will help you :)

6 0
3 years ago
A particular form of electromagnetic radiation has a frequency of 8.11 x 10^14 hz. What is the energy in joules of one quantum o
quester [9]
<span>E = hxf, où h = constante de Planck = 6,626 x 10 ^ -34Js 

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5 0
3 years ago
Read 2 more answers
what is the minimum mass of ethylene glycol that must be dissolved in 14.5 kg of water to prevent the solution from freexing at
lbvjy [14]

Answer:

The minimum mass of ethylene glycol = 6.641 Kg

Explanation:

\Delta T_f= T_f-T_f'\\T_f'=T_f-\Delta T_f

Where T_f = freezing point of pure solvent water, 0°C

T_f'= Freezing point of solvent after mixture

K_f = Freezing point depression constant = 1.86 °C/m

Moecular weight of ethylene glycol = 60 g/mol

Weight of ethylene glycol = 14.5 Kg= 14.5×10^3 g

molality of ethylene glycol

m = \frac{weight}{mol.wt} \times\frac{1000}{V}

Substitute the values to calculate m

m = \frac{w}{60} \times\frac{1000}{14.5\times1000}

by formula

0-(-14.2) =1.86\frac{w}{60} \times\frac{1000}{14.5\times1000}

calculating we get w = 6641.93 g

Therefore, The minimum mass of ethylene glycol = 6.641 Kg

4 0
2 years ago
Which of the following is NOT a possible clue that a chemical change has
Ulleksa [173]

Answer:

ok

Explanation:

Which of the following is NOT a possible clue that a chemical change has

taken place? *

A change of color

O A change of state

Production of gas

Formation of a precipitate

3 0
3 years ago
Read 2 more answers
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