1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Dmitry [639]
2 years ago
10

What happens when an atom is exposed to an energy source such as electricity?

Chemistry
2 answers:
yarga [219]2 years ago
7 0
It moves to a higher energy level<span />
Sonbull [250]2 years ago
3 0

Explanation:

When energy is supplied to an atom then its electron(s) absorb the energy and therefore, they tend to move from a lower energy level to higher energy level.

And, when this electron moves from higher energy level to lower energy level then excess of energy absorbed by it is released in the form of visible light or radiation.

Therefore, we can conclude that when an atom is exposed to an energy source such as electricity then its electrons move towards higher energy level generating light of visible color.

You might be interested in
Which of the following are cations? Check all that apply.
Lostsunrise [7]

Answer:

a

barium

b

calcium

e

aluminum

f

magnesium

g

copper

Forms cation

Explanation:

4 0
3 years ago
If 13.8 moles of carbon (c), with a density of 2.26 g/ml, are needed for a chemical reaction, how many milliliters of carbon are
charle [14.2K]

13.8 moles of carbon = 12 g/mol*13.8 or 165.6 grams

165.6 grams/ 2.26 g/mL = 73.27434 or 73.3 mL


I hope this helps!!!!


8 0
3 years ago
Read 2 more answers
How does potassium ions behave when current is passed through the electoryte
Mariana [72]
An electrolyte<span> is a substance that produces an electrically conducting solution when dissolved in a polar solvent, such as water. </span>
3 0
3 years ago
A 1.8 g sample of octane C8H18 was burned in a bomb calorimeter and the temperature of 100 g of water increased from 21.36 C to
melomori [17]

Answer:

HEAT OF COMBUSTION PER GRAM OF OCTANE IS 1723.08 J OR 1.72 KJ/G OF HEAT

HEAT OFF COMBUSTION PER MOLE OF OCTANE IS 196.4 KJ/ MOL OF HEAT

Explanation:

Mass of water = 100 g

Change in temperature = 28.78 °C - 21.36°C = 7.42 °C

Heat capcacity of water = 4.18 J/g°C

Mass of octane = 1.8 g

Molar mass of octane = C8H18 = (12 * 8 + 1 * 18) g/mol= 96 + 18 = 114 g/mol

First is to calculate the heat evolved when 100 g of water is used:

Heat = mass * specific heat capacity * change in temperature

Heat = 100 * 4.18 * 7.42

Heat = 3101.56 J

In other words, 3101.56 J of heat was evolved from the reaction of 1.8 g octane with water.

Heat of combustion of octane per gram:

1.8 g of octane produces 3101.56 J of heat

1 g of octane will produce ( 3101.56 * 1 / 1.8)

= 1723.08 J of heat

So, heat of combustion of octane per gram is 1723.08 J

Heat of combustion per mole:

1.8 g of octane produces 3101.56 J of heat

1 mole of octane will produce X J of heat

1 mole of octane = 114 g/ mol of octane

So we have:

1.8 g of octane = 3101.56 J

114 g of octane = (3101.56 * 114 / 1.8) J of heat

= 196 432.13 J

= 196. 4 kJ of heat

The heat of combustion of octane per mole is 196.4 kJ /mol.

Mass of water = 100 g

Change in temperature = 28.78 °C - 21.36°C = 7.42 °C

Heat capcacity of water = 4.18 J/g°C

Mass of octane = 1.8 g

Molar mass of octane = C8H18 = (12 * 8 + 1 * 18) g/mol= 96 + 18 = 114 g/mol

First is to calculate the heat evolved when 100 g of water is used:

Heat = mass * specific heat capacity * change in temperature

Heat = 100 * 4.18 * 7.42

Heat = 3101.56 J

8 0
2 years ago
The empirical formula of a group of compounds is CHCl. Lindane, a powerful insecticide, is a member of this group. The molar mas
Sergeeva-Olga [200]

Answer:

<h2>D) 6</h2>

Explanation:

since,   n = molar mass / empirical formula mass

   Empirical formula mass = Total mass of atoms present in empirical formula

                       CHCl = 12+1+35.5

                                = 48.5

 Given, Molar mass = 290.8 g.

           So,        n = 290.8/48.5

                           = 5.995 , that is approx  6.

        So, Molecular formula = n × Empirical formula

                                           = 6 × CHCl

                                           = C_{6}H_{6}Cl_{6}

       So,   Number of C = 6

3 0
3 years ago
Other questions:
  • For the reaction PCl5(g) + heat PCl3(g) + Cl2(g), what will happen when the temperature is decreased
    6·2 answers
  • The process by which a radioactive isotope loses protons or other materials from its nucleus is called
    8·1 answer
  • The melting point of table salt is 801 degrees C. Is this a physical or chemical property?
    14·2 answers
  • When copper (Cu) and oxygen (O) combine, two different compounds are formed. The first compound contains 88.8% copper by mass, a
    9·1 answer
  • Why do we have robots?
    8·2 answers
  • How much is one liter
    8·1 answer
  • I need help. It’s due tonight. Thanks
    5·2 answers
  • What are substance made of
    14·1 answer
  • A gas has an initial pressure of 120 kPa, a volume of 23 liters, and a temperature of 20°C. If the pressure is raised to 150 kPa
    12·1 answer
  • A hypothetical wave has 4.6 J of energy. What is its hypothetical, approximate frequency?
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!