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kow [346]
3 years ago
14

Identify the type of energy involved in each step:

Chemistry
2 answers:
horrorfan [7]3 years ago
6 0

Answer: 1) Electric energy

2) Heat energy

3) Thermal energy

Explanation:

1) You flip on the switch on a lamp - <u>Electric energy</u>.

Because, when we flip on the switch, the chemical energy of lamp is converted into electric energy as the electrons moves with the help of circuit.

2) The light bulb lights up -  <u>Heat energy</u>

when a light bulb lights up after there is flip on the switch on a lamp, then electric energy is converted into heat energy as the electrons passes through the resistor which makes bulb lights up.

3) The light bulb causes the lamp shade to melt - <u>Thermal energy</u>

Thermal energy is occurred due to change in temperature  i.e heat energy, in which objects start moving within the object.

When the bulb lights up, its temperature get increased makes the lamp shade to melt, so the heat energy is converted into thermal energy.

77julia77 [94]3 years ago
5 0

Answer:

a. Electric Energy

b. Light Energy

c. Thermal Energy

Explanation:

a. When a lamp is turned on by means of a switch, electric energy is usually used, since that is the form of energy that is generated when there is a potential difference between two points, which allows to establish an electric current, that electric current travels through the wires up to the bulb of the lamp

b. In this case a case of light energy is presented since that is the energy transported by the light and that is manifested on the matter in different ways, one of them is to remove the electrons from the metals. This is what usually happens in some types of light bulbs, that when the displacement of the electrons is promoted, a beam of light is generated.

c. The last case is a case of thermal energy, since this energy is that expressed as the total kinetic energy resulting from the random movements of atoms and molecules. This was what could happen in case b, when the beam of light was generated. This energy is released in the form of heat, and may present high temperatures.

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The ground state of an electron is the least stable energy state of an atom
kari74 [83]

Answer:

electron configuration

Explanation:

The arrangement of electrons in the atomic orbitals of an atom is called the electron configuration. Electron configurations can be determined using a periodic table.

6 0
3 years ago
If a 67.3G rock is dissolved in 2.00L of acid, what is the molar concentration of gold in the acid solution
brilliants [131]

Answer:

[Au] = 0.171 M

Explanation:

For this question, we assume the rock is 100 % gold.

First of all, we determine the moles of gold

67.3 g . 1mol/ 196.97g = 0.342 moles

Molar concentration is defined as the moles of solute, contained in 1L of solution.

Our solution volume is 2L.

M = 0.342 mol / 2L = 0.171

Molar concentration, also called molarity of solution is the most typical unit of concentration.

6 0
2 years ago
Determine the temperature change when 150. G block of gold is supplied with 1.00 • 10 ^3 J of heat
IceJOKER [234]

Answer:

∇T = 51.68°C

Explanation:

Mass = 150g

Heat Energy (Q) = 1.0*10³J

Change in temperature ∇T = ?

Q = mc∇T

Q = heat energy

M = mass

C = specific heat capacity of the gold = 0.129j/g°C

∇T = change in temperature

Q = Mc∇T

1.0*10³ = 150 * 0.129 * ∇T

1000 = 19.35∇T

Solve for ∇T

∇T = 1000 / 19.35

∇T = 51.679°C = 51.68°C

The change in temperature of gold was 51.68°C

8 0
2 years ago
in chemical reactions, are bonds of reactants formed or broken? What about the products, are those formed or broken?
lubasha [3.4K]

d...................................................


3 0
2 years ago
ALSO NEED THIS ANSWERED PRETTY SOON I THINK IK WHAT IT IS BUT NOT SURE HELP!
Illusion [34]

Answer:

I think it's B but I could be wrong so really sorry if I am

3 0
2 years ago
Read 2 more answers
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