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Savatey [412]
3 years ago
9

What does an atomic emission spectrum look like if the electrons energy levels in an atom were not quantizied

Chemistry
1 answer:
balandron [24]3 years ago
8 0

Answer:

b

Explanation:

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Use the periodic table to match each of the following element symbols to its name, atomic mass, or atomic number. Match Term Def
Nataly [62]

 The Match  of element  to  its  name, atomic  mass   is as below


element               symbol              atomic mass  or atomic  number

Antimony                Sb                         51

 sulfur                     S                            32

 Silicon                    Si                           14


<u><em>Explanation</em></u>

 From periodic table Antimony   is a chemical   element with  symbol Sb   and atomic number 51.

 Sulfur  on the  other hand  is a  chemical  element  with  symbol  S  and  has  a atomic  mass  of 32


silicon  is an element  with symbol Si    and  atomic number 14

5 0
4 years ago
Read 2 more answers
Thermal energy always moves from a greater energy level to a lesser energy level
Nookie1986 [14]

Answer:

\fbox{Law -Based \: on \: laws \: of \: thermodynamic}

Explanation:

At constant pressure Thermal energy always moves from a greater energy level to a lesser energy level, laws of thermodynamics prove that.

Nature always likes to attain equilibrium either it's movement of heat energy or flow of water from higher region to lower region. The first and second law of thermodynamics are profe of that, the first law says that the total energy of universe is Constant. Energy can not be destroyed it always changes from one form to another, by work and heat. The second law explains why thermal energy moves from a greater energy level to a lesser energy level, it deals with the change in entropy of a system and surrounding and states heat flows from hot environment to cold environment.

<em><u>Thanks for joining brainly community!</u></em>

6 0
3 years ago
Why did workers form labor unions?
USPshnik [31]

Answer:

Labor unions were created in order to help the workers with work-related difficulties such as low pay, unsafe or unsanitary working conditions, long hours, and other situations. ... Sometimes the unions organized strikes in order to try to change the conditions of the workers.

Explanation:

5 0
3 years ago
Read 2 more answers
Suppose two 200.0-L tanks are to be filled separately with the gases helium and hydrogen. What mass of each gas is needed to pro
Aneli [31]

Answer:

Mass of helium  = 4426.9524 g

Mass of hydrogen gas = 2213.4762 g

Explanation:

Pressure = 135 atm

Temperature = 24 °C

Volume = 200 L

Number of moles = ?

The conversion of T( °C) to T(K) is shown below:

T(K) = T( °C) + 273.15  

So,  

T₁ = (24 + 273.15) K = 297.15 K  

Using ideal gas equation as:

PV=nRT

where,  

P is the pressure

V is the volume

n is the number of moles

T is the temperature  

R is Gas constant having value = 0.0821 L.atm/K.mol

Applying the equation as:

135 atm × 200 L = n × 0.0821 L.atm/K.mol × 297.15 K  

⇒n = 1106.7381 moles

<u>For helium gas:</u>

Molar mass = 4 g/mol

The formula for the calculation of moles is shown below:

moles = \frac{Mass\ taken}{Molar\ mass}

Thus,

1106.7381= \frac{Mass}{4}

Mass= 4426.9524\ g

<u>For hydrogen gas:</u>

Molar mass = 2 g/mol

The formula for the calculation of moles is shown below:

moles = \frac{Mass\ taken}{Molar\ mass}

Thus,

1106.7381= \frac{Mass}{2}

Mass= 2213.4762\ g

4 0
4 years ago
Which of the following compounds would you expect to be the most reactive?
9966 [12]

  The   compound  that  would  be   most   reactive  is   Ethyne  (answer A)


   <u><em>  explanation</em></u>

  •    Ethyne   is the  most    unsaturated  among the four  compounds  ( <em> it  has a triple bond between  the two carbon atoms) .</em>

  • The  triple  bond in ethyne   is made up  of 1  sigma  bond  and  2π   bond.
  • <em>The 2π  bond  are  weaker   and can  easily break   which  make  Ethyne  more  reactive than  Ethene, methane  and Ethane.</em>

4 0
3 years ago
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